Hybrid Nuclear I&C Engineer — Lead Commissioning

Assystem; Bridgwater; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid Working

Pension scheme

25 days annual leave + bank holidays

Professional fees reimbursed

Employee referral scheme

Sick pay

Income protection & 3x salary death-in

Death-in-Service Cover

Digital gym access

Employee support line

Job summary

Assystem is seeking a capable professional to lead commissioning activities for complex instrumentation and control systems across critical nuclear plant systems.

You will work with your future team to ensure safe, compliant system delivery through integrated commissioning phases, supporting I&C installations, onsite testing, and handover activities while maintaining nuclear safety and licence compliance.

Qualifications

• Degree or HNC in an engineering discipline.
• Experience commissioning systems in 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 in industrial environments.

Responsibilities

• Lead commissioning activities for complex instrumentation and control systems across nuclear plant systems.
• 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 documentation.
• Collaborate with multidisciplinary teams supporting 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 mitigation strategies throughout activities.

Skills

Instrumentation

I&C commissioning

DCS/PLC interfacing

Strong communication

Nuclear industry experience

Risk assessment

Education

Engineering degree

HNC

Tools

DCS

PLC

Job description

Assystem is seeking a capable professional to lead commissioning activities for complex instrumentation and control systems across critical nuclear plant systems.

You will work with your future team to ensure safe, compliant system delivery through integrated commissioning phases, supporting I&C installations, onsite testing, and handover activities while maintaining nuclear safety and licence compliance.