Commissioning Engineer - Process & Mechanical

NRL Ltd; Bridgwater; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading engineering company in the UK is seeking a Mechanical or Process Commissioning Engineer for a national infrastructure project. This role involves hands-on commissioning of critical systems, technical responsibility, and collaboration with project teams. Candidates should have a degree in engineering or equivalent experience, along with expertise in regulated industries. The position offers the opportunity to enhance safety and quality standards within a supportive environment.

Qualifications

• Experience as a mechanical and/or process commissioning engineer.
• Experience in highly regulated industries like nuclear or oil & gas.
• Knowledge of EPR design or power station designs.

Responsibilities

• Own 2–3 critical systems and act as a technical expert.
• Manage commissioning documentation like testing procedures.
• Participate actively in site-based commissioning activities.

Skills

Technical expertise in process system testing

Excellent communication skills

Strong safety and quality culture adherence

Education

Degree in relevant engineering discipline or equivalent

Job description

Overview

About the Opportunity

NRL are currently recruiting for a Mechanical or Process Commissioning Engineer to support commissioning activities with one of our major clients on a national infrastructure project. Reporting to a Commissioning Manager, this role offers the opportunity to play a key part in the safe and successful commissioning of critical Infrastructure systems within the UK. Working in a highly regulated and collaborative environment, you will take ownership of multiple systems and contribute directly to commissioning strategy, planning, and execution. This is a hands-on role with significant technical responsibility and visibility, supporting delivery excellence across safety, quality, and performance.

What You’ll Be Doing

As a Mechanical or Process Commissioning Engineer, you will be responsible for the end-to-end commissioning of allocated systems. You will act as a subject matter expert for your systems, supporting commissioning readiness, execution, and system handover while ensuring compliance with safety and regulatory standards.

Key Responsibilities Will Include

• Taking ownership of 2–3 critical systems, developing in-depth system knowledge and acting as the technical subject matter expert.
• Producing and managing commissioning documentation, including procedures for testing, verification, and system validation.
• Supporting design reviews to ensure plant layouts and system configurations facilitate efficient and effective commissioning.
• Contributing to the detailed planning of commissioning activities, including ownership of defined commissioning test programmes.
• Participating directly in site-based commissioning activities, ensuring safe and successful commissioning of site systems.
• Reviewing and analysing commissioning results, producing clear and accurate technical reports summarising outcomes.
• Ensuring commissioning activities comply with nuclear, environmental, and industrial safety regulations, aligned with international best practice.
• Building strong working relationships with project delivery teams, site engineering, MEH functions, and plant operations to support integrated delivery.
• Promoting and maintaining high standards of safety, quality, and technical excellence throughout commissioning activities.

What You Could Have

• Degree-qualified in a relevant engineering discipline, or equivalent (e.g. HNC) with demonstrable experience as a mechanical and/or process commissioning engineer.
• Experience working within highly regulated industries, such as nuclear, utilities, oil & gas, or heavy manufacturing is advantageous.
• Baseline knowledge of EPR design or other PWR / power station designs.
• Strong technical background in process system testing, including flushing, pump testing, valve testing, and associated activities.
• Demonstrable experience working within robust safety and quality cultures.
• Excellent communication skills, with the ability to clearly convey complex technical information.
• Knowledge of radioactive waste systems and/or fuel route processes.

Location

Bridgwater - Somerset

The NRL Group connect global companies with the right people to bring engineering projects to life. Supporting contracting companies with energy transition plans and working with our clients to create a cleaner, greener future.

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