Nuclear CS&A Principal Engineer — Onsite Leader

Company: Assystem
Apply for the Nuclear CS&A Principal Engineer — Onsite Leader
Location: Warrington
Job Description:

Assystem is seeking a CS&A Principal Engineer (Nuclear) for a permanent, on-site role in Warrington, UK. You will lead the CS&A design and site engineering team, review submissions, and interact with JV construction teams on Sellafield-related projects.

The role requires a Civil/Structural Engineering degree, Chartered status, and 10+ years of nuclear experience within regulated quality systems. Travel to Sellafield and Warrington offices is expected.

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Posted: October 17th, 2026