Senior Mechanical Engineer – Nuclear Piping & Project Lead

Company: Amentum
Apply for the Senior Mechanical Engineer – Nuclear Piping & Project Lead
Location: Warrington
Job Description:

Amentum is recruiting a Senior Mechanical Engineer to lead a small team (3–4 people) delivering detailed design, manufacturing support and implementation of major PMP packages within the SIXEP facility at Sellafield. The role focuses on process piping, shielding, supports and valves, with emphasis on functionality, manufacturability and maintainability in a highly regulated nuclear environment.

You will manage schedules, update project management on progress, and contribute to DJR/engineering

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Posted: August 29th, 2026