Commissioning Engineer (Mechanical / Process)

Overview

In this role you will support the commissioning of plant systems at a tier 1 supplier for the Nuclear sector, ensuring systems are tested, validated and ready for commercial operation. You will join a high-performing commissioning team and work on site in a highly regulated environment. You will handle planning, documentation, execution and issue resolution to enable safe, timely handover of systems. This opportunity lets you contribute to the delivery of the UK’s first new nuclear station in over two decades and shape critical commissioning work.

Responsibilities

• Produce and review commissioning documentation (test specs, procedures)
• Plan and prepare commissioning activities across assigned systems
• Own commissioning test programmes and deliverables
• Execute site commissioning activities safely
• Supervise contractor-led commissioning where required
• Analyze test results and support technical resolution
• Ensure deliverables meet milestones, safety and quality standards
• Support contractual reviews, acceptance testing, and handover
• Collaborate with project stakeholders, contractors, and commissioning teams

Key requirements

• Degree qualified (or equivalent) in Mechanical, Process, Chemical, or a related Engineering discipline
• Strong knowledge of mechanical and/or process systems
• Experience in commissioning, testing, start-up, operations, or project delivery environments
• Strong problem-solving and technical troubleshooting skills
• Experience in highly regulated safety and quality-led industries
• Excellent communication and stakeholder management skills
• Strong IT literacy (Microsoft Excel, SharePoint, Microsoft Word, Adobe Review & Comment tools)
• Ability to work independently and in multidisciplinary teams

• communication
• stakeholder management
• problem-solving
• Mechanical and/or process systems knowledge
• Commissioning, testing, start-up experience
• Microsoft Excel

…