57 jobs found

Job Title: Principal Electrical Power Engineer Location: Barrow-in-Furness or Filton - Hybrid - (Barrow - 2 days a fortnight onsite; 1 day a week onsite at Filton) depending on business needs Salary: Up to £55k (commensurate with skills and experience) What you'll be doing: Functional design and definition of Electrical Power Systems equipment Authoring and reviewing technical documentation Managing associated technical risks, assumptions and dependencies Providing advice on electrical power technical aspects across a broad range of engineering disciplines Engaging with customers and suppliers to provide solutions to complex problems Taking a leading role by guiding more junior members of the team through the systems definition process Opportunity to travel to various locations throughout the UK, including various BAE, customer and supplier sites Your skills and experiences: Essential Degree qualified Electrical Engineering or equivalent Engineering experience Engineering Chartership required (or significant progress towards Chartership can be demonstrated) Significant knowledge of AC and DC electrical power systems Strong analytical and problem solving skills Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. Electrical Power Systems Definition team: Working on the UK's next-generation SSN design that incorporates technology from the UK, Australia and the United States you will be part of the Electrical Power team responsible for defining the needs of equipment, defining the system elements required to feed into the submarine design and build process, including design documentation, spatial modelling and build outputs. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 12th October 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Electrical Power Engineer Location: Barrow-in-Furness or Filton - Hybrid - (Barrow - 2 days a fortnight onsite; 1 day a week onsite at Filton) depending on business needs Salary: Up to £55k (commensurate with skills and experience) What you'll be doing: Functional design and definition of Electrical Power Systems equipment Authoring and reviewing technical documentation Managing associated technical risks, assumptions and dependencies Providing advice on electrical power technical aspects across a broad range of engineering disciplines Engaging with customers and suppliers to provide solutions to complex problems Taking a leading role by guiding more junior members of the team through the systems definition process Opportunity to travel to various locations throughout the UK, including various BAE, customer and supplier sites Your skills and experiences: Essential Degree qualified Electrical Engineering or equivalent Engineering experience Engineering Chartership required (or significant progress towards Chartership can be demonstrated) Significant knowledge of AC and DC electrical power systems Strong analytical and problem solving skills Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. Electrical Power Systems Definition team: Working on the UK's next-generation SSN design that incorporates technology from the UK, Australia and the United States you will be part of the Electrical Power team responsible for defining the needs of equipment, defining the system elements required to feed into the submarine design and build process, including design documentation, spatial modelling and build outputs. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 12th October 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Electrical Power Engineer Location: Barrow-in-Furness or Filton - Hybrid - (Barrow - 2 days a fortnight onsite; 1 day a week onsite at Filton) depending on business needs Salary: Up to £55k (commensurate with skills and experience) What you'll be doing: Functional design and definition of Electrical Power Systems equipment Authoring and reviewing technical documentation Managing associated technical risks, assumptions and dependencies Providing advice on electrical power technical aspects across a broad range of engineering disciplines Engaging with customers and suppliers to provide solutions to complex problems Taking a leading role by guiding more junior members of the team through the systems definition process Opportunity to travel to various locations throughout the UK, including various BAE, customer and supplier sites Your skills and experiences: Essential Degree qualified Electrical Engineering or equivalent Engineering experience Engineering Chartership required (or significant progress towards Chartership can be demonstrated) Significant knowledge of AC and DC electrical power systems Strong analytical and problem solving skills Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. Electrical Power Systems Definition team: Working on the UK's next-generation SSN design that incorporates technology from the UK, Australia and the United States you will be part of the Electrical Power team responsible for defining the needs of equipment, defining the system elements required to feed into the submarine design and build process, including design documentation, spatial modelling and build outputs. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 12th October 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job title: Principal Nuclear Safety Engineer Location: Barrow-In-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive What you'll be doing: Deputising for the PNED Build Assurance Manager as Required Supporting or lead Nuclear Safety Engineering activities for the Astute and Dreadnought programme, including resolution of emergent issues during the Build and Commission of the Naval Reactor Plant using application of common Safety Engineering techniques where appropriate Act as the Intelligent Customer for documentation, advice, services concerning the Naval Reactor Plant and safety case provided to the company Developing sound technical solutions to issues arising during construction and commissioning of the Naval Reactor Plant Authoring inputs to the Office of the Chief Engineer advising on the compliance of the "as built" Naval Reactor Plant against design, build and commissioning requirements in support of entry in nuclear build phases Carry out nuclear safety assessment of the impact of changes to, and deviations from, the Naval Reactor Plant design intent Liaising with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Your skills and experiences: Essential: Degree level qualification (or equivalent) in a relevant subject such as Engineering of Physical Science Understanding of the design, build, commissioning, and operation of Reactor Plant systems Demonstrable competence of technical report writing Desirable: Engineering experience in design and build of systems, including and understanding of the role that safety and quality play Ability to lead engineering investigations, including Root Cause Analysis The ability to constructively challenge and influence others, whilst putting forward clear, concise and credible reasoning to support judgements Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits. Including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The PNED team: This role offers you the opportunity to gain in-depth knowledge of the Naval Reactor Plant for both the Astute Class and Dreadnought Class of submarines. The role also provides a rare opportunity to be involved in a broad range of the Engineering Lifecycle for a Naval Reactor Plant, from Engineering Design Reviews through to build, test and commissioning activities, including but not limited to, resolution of emergent issues providing support to the wider PNED teams. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 30th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. LI-GM3 LI-Hybrid

Job Title: Support Engineer (RCM - Maint Design) Location: Barrow - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: Provide ex-operator knowledge to assess and analyse; system designs, diagrams and information data, to ensure technical accuracy, process instructions correctness, and input for maintenance derivation outputs Provide technical leadership, coaching and mentoring of others Have a clear understanding of, and apply, the Quality and SH&E Management System documentation Support stakeholder engagement and attend collaboration working groups in support of BAES scope of work for maintenance design Provide estimates for the scope of work and resources required, to support bids, proposal development and project planning activities for maintenance design activities Your skills and experiences: Essentials: Background as Submarine nuclear operator / maintainer The ability to analyse complex problems Knowledge of the complete engineering lifecycle and how support activities align to it, with some experience of operating in several lifecycle phases Extensive level of domain knowledge over the full range of Ships systems and how they relate to ILS and Safety Desirables: Knowledge of relevant Ministry of Defence (MoD), industry and corporate standards Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive The SQEP Team: You will join an established team tasked with the delivery and assurance of maintenance derivation work, maintenance task analysis, level of repair analysis and maintenance tasks instructions. The role involves collaboration with a range of Internal and External stakeholders including industry partners across a number of Submarine programmes. There will be opportunities to grow, develop your skillset and build upon your knowledge to build a lasting career with BAE Systems. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 16th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Support Engineer (RCM - Maint Design) Location: Barrow - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: Provide ex-operator knowledge to assess and analyse; system designs, diagrams and information data, to ensure technical accuracy, process instructions correctness, and input for maintenance derivation outputs Provide technical leadership, coaching and mentoring of others Have a clear understanding of, and apply, the Quality and SH&E Management System documentation Support stakeholder engagement and attend collaboration working groups in support of BAES scope of work for maintenance design Provide estimates for the scope of work and resources required, to support bids, proposal development and project planning activities for maintenance design activities Your skills and experiences: Essentials: Background as Submarine nuclear operator / maintainer The ability to analyse complex problems Knowledge of the complete engineering lifecycle and how support activities align to it, with some experience of operating in several lifecycle phases Extensive level of domain knowledge over the full range of Ships systems and how they relate to ILS and Safety Desirables: Knowledge of relevant Ministry of Defence (MoD), industry and corporate standards Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive The SQEP Team: You will join an established team tasked with the delivery and assurance of maintenance derivation work, maintenance task analysis, level of repair analysis and maintenance tasks instructions. The role involves collaboration with a range of Internal and External stakeholders including industry partners across a number of Submarine programmes. There will be opportunities to grow, develop your skillset and build upon your knowledge to build a lasting career with BAE Systems. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 16th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Support Engineer (RCM - Maint Design) Location: Barrow - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: Provide ex-operator knowledge to assess and analyse; system designs, diagrams and information data, to ensure technical accuracy, process instructions correctness, and input for maintenance derivation outputs Provide technical leadership, coaching and mentoring of others Have a clear understanding of, and apply, the Quality and SH&E Management System documentation Support stakeholder engagement and attend collaboration working groups in support of BAES scope of work for maintenance design Provide estimates for the scope of work and resources required, to support bids, proposal development and project planning activities for maintenance design activities Your skills and experiences: Essentials: Background as Submarine nuclear operator / maintainer The ability to analyse complex problems Knowledge of the complete engineering lifecycle and how support activities align to it, with some experience of operating in several lifecycle phases Extensive level of domain knowledge over the full range of Ships systems and how they relate to ILS and Safety Desirables: Knowledge of relevant Ministry of Defence (MoD), industry and corporate standards Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive The SQEP Team: You will join an established team tasked with the delivery and assurance of maintenance derivation work, maintenance task analysis, level of repair analysis and maintenance tasks instructions. The role involves collaboration with a range of Internal and External stakeholders including industry partners across a number of Submarine programmes. There will be opportunities to grow, develop your skillset and build upon your knowledge to build a lasting career with BAE Systems. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 16th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job title: Principal Mechanical Engineer Location: Portsmouth Naval Base - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Up to £60,000 (dependent on skills and experience) What you'll be doing: Lead and conduct early lifecycle engineering activities, including technical investigations, root cause analysis and feasibility studies. Apply engineering theory/technical knowledge to support findings and recommendations Define equipment/system technical requirements and acceptance routes. Apply and manage requirements to drive the development of design solutions for marine mechanical equipment and systems Undertake design substantiation via calculation for marine mechanical systems and equipment. This shall include mechanical simulation/analysis in the areas of structures, fluids and heat transfer, incorporating appropriate optimisation and verification/validation (acceptance) routines Manage technical risk, safety, requirements compliance and design maturity to align with design review gate requirements. Present to engineering design review panels Produce design/analysis/technical reports, system/equipment specifications, scopes of work and undertake assessment of supplier responses Liaise with MOD establishments, test facilities, sub-contractors, suppliers and customers as required to satisfy the needs of a project Your skills and experiences: Be qualified to degree level, or equivalent, in mechanical engineering or similar STEM subject Ideally professionally registered (CEng) through a relevant professional engineering institution such as the IET, IMechE, IMarEST etc or defined plan to get there. Proactive continuation of professional development Have experience in application of marine/mechanical engineering in complex industrial/military applications Competent in assessing mechanical solutions from first principles in support of recognised toolsets Awareness of project management principles with an ability to consider time, scheduling, cost, and quality factors Have an awareness of Systems Engineering and the benefits it brings to complex engineering projects Experienced in applying defence and marine standards, including DefStan, classification society rules, ISO, and relevant regulatory frameworks (MCA, IMO) Benefits: As well as a competitive pension scheme, BAE Systems also offers share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Warship Technical Authority team: The Warship Technical Authority (WTA) - Principal Mechanical Engineer will deliver professional engineering services to Warship Support in the areas of Naval Marine Mechanical Equipment and Systems The Principal Mechanical Engineer will be required to undertake and routinely lead others in activities across the breadth of the engineering lifecycle to support in-service Naval Marine Platforms. They will be responsible for providing mechanical engineering capability across a broad set of challenges to meet the needs of specific Naval platforms, the WTA team and the customer programme Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 11 th September 2025. We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job title: Principal Mechanical Engineer - Marine Engineering Location: Portsmouth - Onsite only Salary: Up to 58,500 (dependent on skills and experience) What you'll be doing: Providing oversight and assurance on behalf of the MOD customer for Warship Maintenance and upgrades Through-life Assists in the production of estimates, creates and/or assists in the production of design requirement specifications Undertake functional design and/or provide qualification and evidence for acceptance, fitness for purpose, legislative requirements, and safety Develops, promotes and shares new technologies for implementation across businesses and programme(s) Acts as an engineering, technical or design authority for a sub-system Provides technical leadership and guidance on matters relating to a discipline, may occasionally lead a team of engineers including line management responsibility Your skills and experiences: Experienced professional engineer, with sufficient depth and breadth of knowledge and willingness to work towards Chartership Knowledge, understanding and experience in a wide range of Mechanical engineering activities sufficient breadth of technical knowledge/experience to make sound engineering decisions in all technical areas and shall seek support from specialist engineers where necessary Experience in any of the following systems: Auxiliary systems including, HVAC, Fuel Systems, Gas Turbine Services, Fresh Water Services, Sea Water Services, Black and Grey Water Systems, Bilge and Sullage Systems, Gas Systems, Intake and Exhaust Systems, Chilled Water Systems, Lube Oil and Hydraulics Safety, including being able to provide demonstrable experience of taking responsibility for safety decisions using sound safety management processes/tools Benefits: As well as a competitive pension scheme, BAE Systems also offers share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Warship Technical Authority team: Under the UK MoD Common Support Model (CSM), complex Warship Design Authority is comprised of the DE&S Warship Approving Authority (WAA) and the BAES Warship Technical Authority (WTA). This exciting role forms part of the T45 WTA and provides governance and oversight of Engineering decisions that primarily affect the T45 platform. In certain situations, this may extend to wider WTA supported platforms as the business requirements develop The primary responsibility of this role is to ensure the design intent and safety of the T45 platform. It also involves collating and presenting assurance evidence to the corresponding WAA. The role operates under the definitive engineering authority of the T45 WTA Class Lead Engineer (CLE), ensuring that all decisions and outputs align with the required standards and governance Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 3 rd September 2025. We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job title: Principal Engineer - Structural Engineering Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Competitive What you'll be doing: Undertake and define functional design and/or provide specialist advice and qualification of their scope of responsibility and provide evidence for acceptance and fitness for purpose Obtain confirmation beyond reasonable doubt by review, surveillance and audit that those assumptions, underpinning engineering data, analysis methodologies, and interpretation of results have been validated, assisting to define the requirements therein Produce evidence in support of qualification, legislative requirements and safety justifications and provide specialist support for associated activities Lead the identification and rapid closure of issues emerging from all product lifecycle stages and to manage the resulting change embodiment activities Liaise with both internal and external customers as required ensuring that their requirements are adequately supported and that their needs are fully considered and incorporated where appropriate and agreed Provide realistic programme status, identify problem areas and implement agreed recovery plans Lead assurance activities that determine the design is adequate i.e. it is robust, in providing supporting documentation for the safety case To be able to access, have a clear understanding of and apply the Quality and HSandE Management System documentation e.g. Process Instructions, Workmanship Standards, Risk Assessments etc. Your skills and experiences: Experienced in the use of mechanical engineering principles and practices Proficient in classical stress analysis, with a strong ability to apply relevant first principles/standard or code-based formula Experienced in finite element analysis methods and/or software, or appropriate significant experience assessing such reports Experience in the manufacturing, assembly, commissioning and testing processes employed within the business or comparable industries Ability to apply naval and industry standards, including relevant and environmental regulations BENg - Charted Engineer or working towards Chartership Bachelor/Master Degree with significant experience Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Structural Engineering team: As the Principal Engineer - Structural Engineering you will execute, evaluate, deliver and manage complex engineering and/or cross functional tasks or programmes of work recognising stakeholder and customer requirements. You will also identify and implement opportunities for personal and team development to ensure that professional capability of the business and individual are maintained and improved. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria Why BAE Systems? This is a place where you will be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically leave 5 to 10 years of continuous residency in the UK depending in the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 11 th September 2025 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job title: Principal Mechanical Engineer Location: Portsmouth Naval Base - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Up to £60,000 (dependent on skills and experience) What you'll be doing: Lead and conduct early lifecycle engineering activities, including technical investigations, root cause analysis and feasibility studies. Apply engineering theory/technical knowledge to support findings and recommendations Define equipment/system technical requirements and acceptance routes. Apply and manage requirements to drive the development of design solutions for marine mechanical equipment and systems Undertake design substantiation via calculation for marine mechanical systems and equipment. This shall include mechanical simulation/analysis in the areas of structures, fluids and heat transfer, incorporating appropriate optimisation and verification/validation (acceptance) routines Manage technical risk, safety, requirements compliance and design maturity to align with design review gate requirements. Present to engineering design review panels Produce design/analysis/technical reports, system/equipment specifications, scopes of work and undertake assessment of supplier responses Liaise with MOD establishments, test facilities, sub-contractors, suppliers and customers as required to satisfy the needs of a project Your skills and experiences: Be qualified to degree level, or equivalent, in mechanical engineering or similar STEM subject Ideally professionally registered (CEng) through a relevant professional engineering institution such as the IET, IMechE, IMarEST etc or defined plan to get there. Proactive continuation of professional development Have experience in application of marine/mechanical engineering in complex industrial/military applications Competent in assessing mechanical solutions from first principles in support of recognised toolsets Awareness of project management principles with an ability to consider time, scheduling, cost, and quality factors Have an awareness of Systems Engineering and the benefits it brings to complex engineering projects Experienced in applying defence and marine standards, including DefStan, classification society rules, ISO, and relevant regulatory frameworks (MCA, IMO) Benefits: As well as a competitive pension scheme, BAE Systems also offers share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Warship Technical Authority team: The Warship Technical Authority (WTA) - Principal Mechanical Engineer will deliver professional engineering services to Warship Support in the areas of Naval Marine Mechanical Equipment and Systems The Principal Mechanical Engineer will be required to undertake and routinely lead others in activities across the breadth of the engineering lifecycle to support in-service Naval Marine Platforms. They will be responsible for providing mechanical engineering capability across a broad set of challenges to meet the needs of specific Naval platforms, the WTA team and the customer programme Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 11 th September 2025. We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job title: Principal Mechanical Engineer - Marine Engineering Location: Portsmouth - Onsite only Salary: Up to 58,500 (dependent on skills and experience) What you'll be doing: Providing oversight and assurance on behalf of the MOD customer for Warship Maintenance and upgrades Through-life Assists in the production of estimates, creates and/or assists in the production of design requirement specifications Undertake functional design and/or provide qualification and evidence for acceptance, fitness for purpose, legislative requirements, and safety Develops, promotes and shares new technologies for implementation across businesses and programme(s) Acts as an engineering, technical or design authority for a sub-system Provides technical leadership and guidance on matters relating to a discipline, may occasionally lead a team of engineers including line management responsibility Your skills and experiences: Experienced professional engineer, with sufficient depth and breadth of knowledge and willingness to work towards Chartership Knowledge, understanding and experience in a wide range of Mechanical engineering activities sufficient breadth of technical knowledge/experience to make sound engineering decisions in all technical areas and shall seek support from specialist engineers where necessary Experience in any of the following systems: Auxiliary systems including, HVAC, Fuel Systems, Gas Turbine Services, Fresh Water Services, Sea Water Services, Black and Grey Water Systems, Bilge and Sullage Systems, Gas Systems, Intake and Exhaust Systems, Chilled Water Systems, Lube Oil and Hydraulics Safety, including being able to provide demonstrable experience of taking responsibility for safety decisions using sound safety management processes/tools Benefits: As well as a competitive pension scheme, BAE Systems also offers share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Warship Technical Authority team: Under the UK MoD Common Support Model (CSM), complex Warship Design Authority is comprised of the DE&S Warship Approving Authority (WAA) and the BAES Warship Technical Authority (WTA). This exciting role forms part of the T45 WTA and provides governance and oversight of Engineering decisions that primarily affect the T45 platform. In certain situations, this may extend to wider WTA supported platforms as the business requirements develop The primary responsibility of this role is to ensure the design intent and safety of the T45 platform. It also involves collating and presenting assurance evidence to the corresponding WAA. The role operates under the definitive engineering authority of the T45 WTA Class Lead Engineer (CLE), ensuring that all decisions and outputs align with the required standards and governance Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 3 rd September 2025. We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.