Twinstream Limited

Site Reliability Engineer £65,000 £95,000 DOE Hybrid (Bristol-based, occasional site visits) Clearance: Must be eligible for DV Clearance Founded in 2019 by engineers solving complex cross-domain problems for government organisations, TwinStream delivers technical excellence and exceptional service to high-profile clients. Our teams work both on-site and remotely, supporting mission-critical systems where performance and reliability are paramount. The Site Reliability Engineer Role: We are seeking a Site Reliability Engineer (SRE) to ensure the availability, performance, and cost-effectiveness of our cloud and on-prem services. You will collaborate with software engineers and system administrators to improve observability, reduce downtime, and proactively mitigate reliability risks across a growing portfolio of services. Key Responsibilities of the Site Reliability Engineer: Improve reliability and performance across multiple subsystems. Automate manual tasks and eliminate unnecessary alerts. Enhance monitoring capabilities to identify and resolve issues before they impact users. Support and optimise CI/CD pipelines and cloud infrastructure. Research and evaluate new tools to influence build-vs-buy decisions. Contribute to technical innovation across diverse stacks and environments. What We re Looking For: Experience with configuration management tools (e.g., Ansible, Chef). Proficiency with Terraform, Docker, and container orchestration (Kubernetes, OpenShift, or similar). Hands-on experience with CI/CD tools (Jenkins or equivalent). Knowledge of monitoring solutions (Prometheus, Grafana, InfluxDB). Familiarity with MQ messaging (RabbitMQ or similar). Linux administration, scripting, and network security protocols. Experience with cloud services (preferably AWS EC2, RDS, S3, Lambda). Desirable: Experience coding in Java, Go, or Python; cross-domain technologies; observability patterns; and service management environments. Why Join TwinStream? Salary: £65,000 £95,000 (DOE & clearance level) Pension: 8% employer contribution Private Healthcare: Includes dental & optical cover for you & your family Learning & Development: £1,000 annual training budget Flexible Working: Hybrid & family-friendly culture Additional Perks: EV leasing scheme, 25 days holiday + bank holidays, life assurance, cycle-to-work scheme, and team events Ready to Shape the Future of Mission-Critical Systems? Apply now and join a team where innovation, reliability, and technical excellence drive everything we do.