Instrumentation & Control Engineer – Nuclear Plant (Hybrid)

Assystem; Wedmore; Hybrid; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Hybrid working

Pension scheme

Annual leave 25+

Professional fees reimbursed

Employee referral program

Sick pay

Income protection

Death-in-service

Digital gym access

24/7 support line

Job summary

Assystem in the United Kingdom is seeking a commissioning engineer to support installation and onsite testing of complex I&C systems across plant equipment. You will review procedures, assess as-built status against designs, and collaborate with multidisciplinary teams to ensure smooth handover.

Role emphasizes nuclear safety compliance, data recording, risk assessment, and verification of instrumentation and valve systems, in a hybrid working environment with flexible hours and competitive

Qualifications

• Degree or HNC in an engineering discipline
• Experience commissioning systems in nuclear, power, petrochemical or heavy industry
• Strong practical instrumentation knowledge incl. 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
• Calibrations methods, standards, and commissioning best practices
• Experience commissioning and maintaining safety relief valve systems in industrial environments
• Strong communication skills conveying technical information across multidisciplinary teams
• Ability to set up, test, and troubleshoot complex I&C systems safely

Responsibilities

• 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

Skills

Instrumentation knowledge

I&C systems

DCS/PLC interfaces

Valve actuation systems

Process measurements

Calibration methods

Safety relief valves

Communication skills

Multidisciplinary collaboration

Safety-focused workmanship

Education

Degree or HNC in engineering

Job description

Assystem in the United Kingdom is seeking a commissioning engineer to support installation and onsite testing of complex I&C systems across plant equipment. You will review procedures, assess as-built status against designs, and collaborate with multidisciplinary teams to ensure smooth handover.

Role emphasizes nuclear safety compliance, data recording, risk assessment, and verification of instrumentation and valve systems, in a hybrid working environment with flexible hours and competitive