Senior Mechanical Engineer

Location: Warrington or Cumbria (Hybrid Working)
Rate: £60.00 per hour (Umbrella PAYE)
Duration: 12-month contract (likely extension)
Start Date: ASAP (subject to security clearance)
We are recruiting for 3 Senior Mechanical Engineers to join a major programme with a leading Tier 1 contractor supporting one of the UK's most complex nuclear sites.
The role will involve providing plant-facing engineering and design support across operational and decommissioning facilities, delivering modifications, maintenance-driven design changes, asset care improvements, and solutions to emergent plant issues. Working within an integrated, multi-disciplinary engineering team, you will be responsible for producing and reviewing high-quality engineering deliverables while supporting the safe and efficient operation of nuclear facilities.

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  Lead and deliver mechanical design and engineering packages.
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  Produce and review calculations, specifications, technical reports and design documentation.
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  Support plant modifications, asset care and operational improvement projects.
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  Interface with operations, project teams and other engineering disciplines.
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  Ensure compliance with nuclear industry standards and design governance processes.
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  Provide technical leadership and mentoring to junior engineers where required.

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  Degree qualified in Mechanical Engineering or related discipline.
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  Significant experience delivering mechanical engineering design within highly regulated industries (nuclear, defence, petrochemical, oil & gas, power generation or similar).
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  Experience producing and checking engineering calculations and technical documentation.
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  Strong understanding of engineering lifecycle and design processes.
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  Ability to work effectively within multi-disciplinary project teams.
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  Previous Sellafield or nuclear site experience is highly desirable.
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  Chartered Engineer status (or working towards Chartership) would be advantageous.

This is an excellent opportunity to secure a long-term contract on a high-profile programme delivering critical engineering support across operational nuclear facilities.