50,000+Employees
2020Founded
Chantilly, VAHQ
2Open jobs
About Amentum
Amentum provides engineering, logistics, and technical services to the U.S. government, allied nations, and commercial markets, including defense support, nuclear security, space operations, and cybersecurity. It serves government agencies and commercial clients across more than 70 countries as one of the largest government services contractors in the U.S. Formed in 2020 from the spinout of AECOM's federal services group, Amentum is headquartered in Chantilly, Virginia.