Assystem
Instrumentation and Controls Commissioning engineer
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Instrumentation and Controls Commissioning engineer
Commissioning I&C Systems Engineer
About Assystem
Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in executing complex and strategic nuclear infrastructure projects, subject to high safety and security requirements.
Assystem mobilizes 8,000 experts across 13 countries, intervening in:
- Engineering
- Project management
- Digital solutions
Their scope spans the entire project lifecycle.
Why Join the Community of Switchers?
You’ll join a team supporting the UK’s most significant nuclear construction programmes, offering:
Career & Work Environment
- Hands-on involvement in commissioning safety-critical I&C systems within a nationally important project
- Build and strengthen commissioning expertise with mentorship from experienced specialists
- Growth opportunities within a global engineering organisation
Hybrid & Flexible Perks
- Hybrid remote/hybrid working arrangement
- Flexible working hours
- Competitive 25 days annual leave (+ bank holidays + buy/sell day option)
Financial & Professional Benefits
- Market-leading pension scheme (8% employer, 4% personal contribution)
- Professional fees fully reimbursed
- Employee referral scheme
- Competitive sick pay
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Employment Support
- Income protection & 3x salary death-in-service cover
- 24/7 Employee Support Line (mental health, financial & legal advice)
- Free digital gym access (expert-led fitness classes)
🚀 The Job Mission
This hybrid Commissioning I&C Systems Engineer role is based in Bridgwater, with relocation support available. Candidates must be within commutable distance or willing to relocate.
Your responsibilities:
- Safely commission and test instrumentation, control & automation systems
- Diagnose faults in systems, equipment, and interfaces
- Support calibration, loop checks, and functional testing
- Review and ensure accuracy of commissioning documentation, test records, and handover packs
- Collaborate with electrical, mechanical, and software engineering teams
- Resolve issues with contractors, suppliers, and engineering groups
- Interpret technical documentation, including:
- I&C drawings
- Schematics
- Logic diagrams
- Specifications
- Ensure compliance with safety and quality procedures
- Provide clear progress updates against commissioning milestones
- Improve commissioning methods and operations
Qualifications & Criteria
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Essential Knowledge & Experience
- Familiarity with I&C, controls, automation, or commissioning (nuclear experience advantageous but not mandatory)
- Experience in a highly regulated or industrial environment
- Background in:
- Testing, diagnostics, or fault-finding
- Interpreting technical drawings & schematics
- Proficiency with:
- DCS, PLC, or SCADA systems
- Calibration and instrumentation testing
- Ability to produce practical and accurate technical documentation
- Commitment to safety-focused commissioning practices
- Comfort in multidisciplinary engineering team environments
"Nuclear experience isn’t essential, but transferable skills from regulated industries are highly valued. If you meet ~80% of criteria and are motivated to grow further, we encourage you to apply."
Notice to Applicants
⚠️ Recruitment Fraud Alert:
- Assystem will never:
- Offer specialist CV services
- Request payment during recruitment
- Ask for sensitive personal information
We are committed to:
- Equal opportunity for all candidates
- A diverse and inclusive workforce, valuing different backgrounds and perspectives
- Innovation driven by skill, talent, and bold contributions.
"Bring your unique strengths—that’s how we shape the future."
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