Amentum is a major U.S.-based government contractor providing advanced engineering, technology, and technical services for national security, energy, environment, and defense programs, supporting the U.S. government and its allies with complex solutions in areas like nuclear, space, intelligence, and cyber. Formed from AECOM’s federal group, it offers mission support, facility management, IT, and environmental remediation, employing tens of thousands globally to manage critical infrastructure and complex challenges.

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