Mechanical Commissioning Engineer

Overview

In this role you join a collaborative commissioning team on a Nuclear Licensed Site in Derby to drive safe, efficient commissioning activities. You will author and manage test procedures, record results, and perform commissioning tests across nuclear, conventional, and environmental safety systems. You’ll work closely with cross-functional teams and contribute to critical infrastructure projects in a highly regulated environment. This opportunity offers hands-on testing at scale with a focus on safety, quality, and effective handover.

Responsibilities

• Author and manage commissioning test procedures and prepare safe systems of work
• Maintain accurate records of test results
• Conduct commissioning tests and analyze results
• Communicate effectively and manage processes
• Carry out commissioning duties on systems such as nuclear, conventional and environmental safety systems, wastewater tanks, nuclear qualified cranes

Key requirements

• Experienced with commissioning gas, fluid and vacuum systems and mechanical handling equipment
• Familiar with Licence Condition 21 site arrangements, Health and Safety standards, permits, and safety case adherence
• Able to perform initial operator duties during commissioning testing phases (non-active commissioning)
• Previous experience witnessing, supervision, and acceptance of vendor and supplier testing on-site
• Skilled in authoring test procedures and reports
• Understanding of design, construction, and handover processes

• Communicate effectively
• team collaboration
• attention to safety and quality
• commissioning gas systems
• commissioning fluid systems
• commissioning vacuum systems

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