Senior Mechanical Leader – Nuclear Fusion & Safety Systems

Company: SmartRecruiters, Inc.
Apply for the Senior Mechanical Leader – Nuclear Fusion & Safety Systems
Location: Bristol
Job Description:

Assystem in the United Kingdom is seeking a Senior Principal Mechanical Engineer to join the Fusion and Modular Nuclear (FMN) unit, leading design and verification across cooling water interfaces and reactor components.

You will drive DFMEA/HAZID analyses, manage risk registers, and develop technical specifications while coordinating cross-functional teams to ensure compliance with project requirements and safety standards.

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Posted: October 8th, 2026