Job Description
Job Title: OT Engineer/Automation Architect
Location: Cheshire (Hybrid)
Contract type: Long-term contract
Overview:
I'm working with a global manufacturing & FMCG organisation who are gearing up for a series of major operational technology projects. They're modernising their automation and infrastructure stack and are looking to connect with experienced engineers/architects who can deliver on Siemens PLC upgrades, OT network resilience, and large-scale system integration projects.
The Opportunity:
You'd be part of a site-level engineering team, contributing to strategic infrastructure upgrades across highly regulated, high-output environments. It's a chance to bring technical depth and practical project delivery skills into an organisation where OT security, uptime, and scalability are critical.
What You'll Be Working On:
- Siemens PLC programming, migration, and optimisation (S7, TIA Portal).
- OPC connectivity and integration across complex environments.
- OT infrastructure upgrades - server migrations, network resilience, automation systems.
- Collaborating with site engineering managers and wider technology teams to design and deliver projects.
- Vendor and stakeholder management across multi-site operations.
What We're Looking For:
- 8+ years' experience in OT/automation across FMCG, pharma, or other regulated industries.
- Strong hands-on Siemens PLC background (S7, TIA Portal).
- Proven track record delivering OT infrastructure upgrade projects.
- Experience managing stakeholders and suppliers in high-output environments.
- Ability to balance hands-on technical delivery with architectural/strategic input.
GCS is acting as an Employment Business in relation to this vacancy.
