Commissioning Test Manager – Nuclear Start-Up Lead

Company: Amentum
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Job Description:

Amentum in Whitehaven, England, is seeking a Commissioning Test Manager to oversee the operational readiness verification of newly installed or modified Structures, Systems & Components, ensuring compliance with Start Up procedures, Site Licence Conditions, and safety standards.

You will lead a Start Up Team across project delivery, collaborate with contractors, prioritise safety, plan resources, and contribute to risk management and cost estimates to deliver commissions on time and within

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Posted: July 20th, 2026