Senior/Principal Nuclear Mechanical Engineer (Civil & Defence)

Company: Snc-Lavalin
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Job Description:

AtkinsRéalis is seeking a Senior/Principal Mechanical Engineer to lead a range of nuclear civil and defence projects in the UK. The role involves steering multi-disciplinary teams, delivering design and substantiation, and collaborating with clients and internal teams to meet safety and quality standards.

You will operate within a fast-paced environment, supporting fleet operations, power build initiatives and decommissioning programmes while maintaining a focus on delivery, cost and schedule

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Posted: July 21st, 2026