Amentum is a global engineering and technology company, established in 2020, that provides critical mission support to government and commercial clients. The firm's work spans national security, defense, intelligence, environmental management, and nuclear operations. It maintains a worldwide presence, serving the United States and its allies.
The company employs approximately 40,000 professionals with expertise across technical domains including systems engineering, program management, design, construction, operations, and decommissioning. Its services cover the full lifecycle of complex projects, from nuclear energy support to environmental remediation and technical services.
Amentum applies technical excellence and operational discipline to deliver solutions across its industry verticals. Its operational history includes a 117-year legacy of service inherited from predecessor organizations, underpinning its role in sectors where reliability is paramount.