Dec 11, 2025
Principal Mechanical Engineer (12 month contract)
Location: Warrington or Preston or Leicester (Hybrid working)
Rate: £60a-£80 per hour (Umbrella, inside IR35)
Clearance: Must be eligible for NNPPI and SC security clearance
A great opportunity has just opened up for a Principal Mechanical Engineer to support a major UK defence decommissioning programme focused on the safe, sustainable dismantling of legacy assets. This is a highly regulated environment where engineering quality, safety and innovative problem solving are absolutely central.
The role involves leading mechanical engineering activities on complex decommissioning systems, with a strong focus on mechanical handling, cutting technologies, and integration of bespoke tooling into challenging environments.
What you'll be doing
Leading multidisciplinary engineering teams and overseeing delivery of complex mechanical design solutions.
Acting as the primary technical point of contact for internal and external...
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Inside IR35
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CV-Library
Warrington, Cheshire
Contractor