Instrumentation and Control Engineer - Commissioning

At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutionizing the energy sector and making a significant global impact.

Why Join the Community of Switchers?

Be part of one of the top three largest independent nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.

Be part of one of the top three largest independent nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.

Job Description

You will lead commissioning activities for complex instrumentation and control systems across critical nuclear plant systems.

Working within your future team, you will support safe, compliant system delivery through integrated commissioning phases.

• Support installation and commissioning preparation for complex I&C systems
• Execute onsite commissioning tests across plant systems and equipment
• Review commissioning procedures and identify continuous improvement opportunities
• Assess as-built installation status against approved engineering design documentation
• Collaborate with multidisciplinary teams supporting effective system handover activities
• Ensure commissioning activities comply with nuclear safety and licence requirements
• Record commissioning data, test results, defects, and performance observations
• Assess commissioning risks and implement appropriate mitigation strategies throughout activities
• Support calibration, maintenance, and testing of instrumentation and actuator systems
• Perform contractor surveillance ensuring commissioning quality and procedural compliance

Qualifications

• Degree or HNC qualified within a relevant engineering discipline
• Experience commissioning systems within nuclear, power, petrochemical, or heavy industry sectors
• Strong practical instrumentation knowledge including impulse pipework and primary measurement elements
• Experience commissioning pneumatic, hydraulic, and motor operated valve systems
• Knowledge of process measurement methods including pressure, temperature, level, and flow
• Experience interfacing with DCS, PLC, and plant protection systems
• Practical understanding of calibration methods, standards, and commissioning best practices
• Experience commissioning and maintaining safety relief valve systems within industrial environments
• Strong communication skills conveying technical information clearly across multidisciplinary teams
• Ability to set up, test, and troubleshoot complex I&C systems safely

Additional Information

Join us at Assystem and be part of a global team delivering some of the most exciting and complex engineering projects in the world. This is your chance to shape the UK's energy future while developing your expertise in a unique environment.

Benefits include:

• Hybrid Working Opportunity
• Flexible working hours
• Pension scheme (8% company contribution / 4% personal contribution)
• 25 days' paid annual leave + bank holidays + option to buy or sell days
• Professional fees reimbursed
• Employee referral scheme
• Competitive Sick Pay – Support when you need it
• Income Protection & 3x Salary Death-in-Service Cover
• Free Digital Gym Access – Expert-led fitness classes
• 24/7 Employee Support Line – Mental health, financial & legal help

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter!

Bring your unique contributions and help us shape the future

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter!. Bring your unique contributions and help us shape the future.

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