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Principal Mechanical Engineer

Jobleads-UK | Carlisle, United Kingdom | Posted June 05, 2026

Position Overview

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 manag...

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