Principal Mechanical Engineer, Nuclear Power Systems Leader

Company: ASSYSTEM
Apply for the Principal Mechanical Engineer, Nuclear Power Systems Leader
Location: Newcastle upon Tyne
Job Description:

ASSYSTEM is seeking a Principal Engineer to join the Fusion and Modular Nuclear Business Unit. The role entails delivering engineering activities for Small Modular Reactors and Fusion projects, leading design teams, and ensuring compliance with health and safety regulations.

The ideal candidate will have extensive experience in regulated industries, especially nuclear, and possess excellent leadership and communication skills. The role requires UK security clearance eligibility.

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Posted: June 13th, 2026