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Mechanical Comissioning Engineer

Job details
Posting date: 19 June 2026
Salary: £52.5 per hour
Hours: Full time
Closing date: 19 July 2026
Location: Cumbria, North West England
Remote working: On-site only
Company: Blueprint Recruitment
Job type: Contract
Job reference: Mech-Com-Eng

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Summary

This project is one of the most important construction projects at the Sellafield Site, the plant will play a vital role in Sellafield's 100-year clean-up programme by taking nuclear waste recovered from the sites original waste plants and encasing it in concrete so it can be stored in a modern building. The plant is primarily designed to deal with waste from the Magnox Swarf Storage Silo, one of four legacy waste plants prioritised for clean-up by Sellafield Ltd's owner, the Nuclear Decommissioning Authority (NDA). Alongside that work, the plant will also receive certain wastes from the other three legacy waste stores, the First Generation Magnox Storage Pond, the Pile Fuel Storage Pond, and Pile Fuel Cladding Silo. The BEP Joint Venture project will safely design and deliver a Plant and the works in accordance with the requirements of the contract to enable conditioning of wastes from the various donor plants, carried out in line with the Employer's needs and to the satisfaction of stakeholders in the Box Encapsulation Project (BEP). Job Description / Role The Commissioning Engineer reporting to the Commissioning Team Leader, carries out a role to undertake delivery of assigned commissioning tasks in a safe and effective manner, in line with commissioning process requirements.
This role is specific to candidates with experience in nuclear in-cell handler testing. BEPF SOP 601.03 rev D OFFICIAL OFFICIAL BEPF SOP 601.03 rev D

The Commissioning Engineer is responsible for:
? Execution of the arrangements for controlling, witnessing, recording and assessing the results of commissioning tests which may affect safety.
? Delivering the commissioning work scope to an agreed strategy and plan in a timely and cost effective manner
? Ensuring a proactive and balanced approach to safety (nuclear, radiological, conventional and environmental) to ensure that safety is optimised during commissioning
? Reviewing commissioning progress and performance and taking appropriate correctivactions where necessary
? Managing day to day liaison with personnel to obtain any necessary permissions and minimize impact to the project
? Review of commissioning test results
? Ensuring input to other project processes are incorporated, for example, design, HAZOP, risk, contract, estimating and knowledge management
The Commissioning Engineer is responsible for:
? Execution of the arrangements for controlling, witnessing, recording and assessing the results of commissioning tests which may affect safety.
? Delivering the commissioning work scope to an agreed strategy and plan in a timely and cost effective manner
? Ensuring a proactive and balanced approach to safety (nuclear, radiological, conventional and environmental) to ensure that safety is optimised during commissioning ? Reviewing commissioning progress and performance and taking appropriate corrective actions where necessary
? Managing day to day liaison with personnel to obtain any necessary permissions and minimize impact to the project
? Review of commissioning test results
? Ensuring input to other project processes are incorporated, for example, design, HAZOP, risk, contract, estimating and knowledge management

Essential Experience & Qualifications Candidate must have experience in:
? Nuclear Mechanical systems commissioning
? Minimum - HNC/HND in Engineering related subject or equivalent
? Experience in nuclear commissioning
? Project management knowledge, preferably APM member
? Calculation production using Excel
? IOSH Managing Safely
? Relevant trade card Security Clearance The ability to obtain BPSS and P4 Pass is essential for continuance in the role. Design Tools /Software Latest editions of Microsoft Office software.

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