Senior Mechanical Engineer - Nuclear Piping & Project Lead

Amentum is seeking a Senior Mechanical Engineer to lead a small team on detailed design, support to manufacturing and implementation of several significant plant modification packages within the SIXEP facility at Sellafield. The role focuses on process piping systems, including coaxial and single-skin piping, with connections to the existing SIXEP plant and related shielding, supports and valves.

You will ensure functionality, manufacturability, constructability and maintainability of all