Amentum Holdings is a global advanced engineering and technology solutions provider serving U.S. and allied government agencies as well as international and commercial customers, operating through two main segments: Digital Solutions, which delivers intelligence analytics, space system development, cybersecurity, and IT services; and Global Engineering Solutions, which provides environmental remediation, nuclear power solutions, platform engineering, and supply chain management. With approximately 50,000 employees across 70+ countries, the company generates revenue primarily from cost-plus-fee contracts with the U.S. Department of Energy, Intelligence Community, Department of Defense, NASA, and other federal agencies, supplemented by fixed-price and time-and-materials arrangements, while also serving select international defense partners and commercial customers in aerospace and telecommunications. The company maintains a large backlog of contracts and pursues growth by winning complex programs, expanding digital modernization services with existing customers, and accessing high-growth markets including hypersonics, autonomous systems, and advanced energy solutions.