Principal Mechanical Engineer

Nuclearinst

Full-time Engineering
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Location
egremont, england, United-Kingdom
Posted
June 18, 2026

Job Description

Job Title: Principal Mechanical Engineer

Location: Whitehaven, Cumbria + Hybrid Working Arrangements

Compensation: Competitive + Benefits

Role Type: Full time / Permanent

Role ID: SF70329

Lead Engineering Excellence in Nuclear Decommissioning

At Cavendish Nuclear, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Principal Mechanical Engineer at either of our Westlake’s Science Park, Moor Row or Warrington, Cheshire sites.

The Role

As a Principal Mechanical Engineer, you’ll play a pivotal role in one of the UK’s major civil nuclear decommissioning programmes. Working as a senior technical authority within a multidisciplinary engineering environment, you’ll drive the integration of complex mechanical systems and develop innovative solutions that directly support the safe deconstruction and long-term management of nuc...