
Job description
Join Amentum's team as a Senior Mechanical Engineer to work on the Lightly Shielded Store Project (LSS1) at Sellafield. The role involves planning and coordinating engineering activities, developing engineering solutions, and reviewing technical deliverables. The team is driven by innovation, integrity, and collaboration, and values ethical excellence.
As a Senior Mechanical Engineer, you will be responsible for planning and coordinating engineering activities, developing and implementing engineering solutions, identifying design and regulatory requirements, and reviewing technical deliverables.
This role offers a unique opportunity to cultivate change and creativity in engineering, safety, and delivery solutions in one of the most complex industrial sites in the UK. You will work in a collaborative environment with a leading multinational company that puts people first.
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Tech, Software & IT Services • Public Administration
Amentum is a global leader in advanced engineering and innovative technology solutions, serving the United States and its allies to tackle complex challenges in science, security, and sustainability. The company’s workforce applies undaunted curiosity, relentless ambition, and boundless imagination to push the boundaries of conventional thinking and drive progress. Amentum’s core values—safety, collaboration, and employee well‑being—underpin every project, ensuring responsible and sustainable outcomes. With headquarters in Chantilly, Virginia, the company employs roughly 50,000 professionals across more than 70 countries, making it a diverse and worldwide engineering powerhouse.