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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.

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