2 min read - 24 Sep, 2025
Amentum to create 3,000 jobs as nuclear renaissance boosts growth
Amentum, a global leader in advanced engineering and innovative technology solutions, has announced plans to create 3,000 new jobs over the next four years, driven by growth in the UK’s nuclear power and defence sectors.
Headquartered in Virginia, Amentum is a lead delivery partner for the UK’s nuclear power stations at Hinkley Point C and Sizewell C and provides key technical and project solutions for small modular reactors and fusion research.
With more than 6,000 people in the UK and sites in Cumbria and Warrington, Amentum also plays a critical role in the UK’s national defence, providing safety and technology services for the Royal Navy’s nuclear submarines, managing and maintaining the UK Armed Forces training estate for the Defence Infrastructure Organisation, and delivering programme management and engineering support for the Atomic Weapons Establishment.
Based on current demand projections, Amentum expects to increase its UK headcount by 50% over the next four years / Picture: Amentum
John Heller, chief executive officer of Amentum, who met US President Donald Trump and Prime Minister Sir Keir Starmer at Chequers, said: “The US State visit reflects the unique strength of the UK-US partnership and our shared determination to drive economic growth and prosperity.
“The energy resilience and national security of both nations depend on continued leadership and advances in energy and technology – the focus of this visit. Commitments by both governments to back and invest in these industries help drive Amentum’s continued growth and investment in innovation, jobs and skills on both sides of the Atlantic.”
Amentum added that stronger coordination between the UK and US nuclear industries will help deliver the step change in capacity and skills required to meet President Trump’s calls for a quadrupling of US nuclear energy capacity by 2050.
Mark Whitney, president of Amentum Energy & Environment, said: “We are stepping up collaboration between our people on both sides of the Atlantic to ensure that we seize opportunities which are tailor-made for our company. Based on current demand projections, we expect to increase our UK headcount by 50% over the next four years. And we are also investing in digital engineering, AI, and automation to improve the delivery of critical infrastructure and government programmes in the UK and the US.”
