Senior Mechanical Engineer

Highfield Professional Solutions Ltd • Warrington, Cheshire, United Kingdom • Posted June 27, 2026

Location Warrington, Cheshire
Job Type Full-time
Category architecture-and-engineering
Posted June 27, 2026
Senior Mechanical Engineer x3

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.

Key Responsibilities

Lead and deliver mechanical design and engineering packages.

Produce ...

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