Amentum Holdings Inc. (NYSE: AMTM) — Company Overview, News & Financial Data
Amentum Holdings Inc.
Amentum Holdings Inc.
Amentum Holdings Inc. is a global provider of advanced engineering, technical solutions, and mission support services for government and commercial clients. Headquartered in Chantilly, Virginia, the company delivers capabilities across defense and national security, nuclear energy, space systems, intelligence, and environmental remediation. It serves major U.S. government agencies, including the Department of Defense, NASA, the Department of Energy, and the Department of Homeland Security, as well as international allied defense agencies such as the U.K. Ministry of Defence and the Australian Department of Defence. Its operations span global supply chain management, C5ISR systems sustainment, digital transformation, and site restoration.
Snapshot
Operations
Products and/or services of Amentum Holdings Inc.
- Mission Modernization & Sustainment: Provides defense and security services including global supply chain logistics, research and development, C5ISR systems engineering, unmanned systems sustainment, naval asset readiness, and training for military and intelligence agency operations worldwide.
- Space Systems: Delivers aerospace engineering, spaceflight hardware integration, launch operations, and ground systems support, serving national space programs with assembly, testing, launch, and orbital operations for deep space and satellite capabilities.
- Digital Transformation: Offers enterprise IT modernization, software engineering, cloud computing, critical digital infrastructure configuration, and model-based systems engineering to optimize operational speed, network security, and mission workflows for government and civilian agency partners.
- Sustainability & Environment: Executes environmental remediation, nuclear decommissioning, site assessment, regulatory compliance, hazard evaluation, emerging contaminant eradication, and radiological site restoration across defense, federal, and commercial industrial facilities worldwide.
- Advanced Energy: Provides nuclear engineering design, power plant commissioning, operational support, reactor life extension, and renewable energy consulting, supporting civil nuclear programs, research test beds, advanced reactor deployment, and clean energy transition.
- Data Analytics & Cyber: Delivers all-source intelligence collection, counterintelligence, continuous real-time cyber threat monitoring, offensive and defensive cyber operations, full-spectrum training, secure bandwidth management, and biometrics processing for national security and defense operations.
Amentum Holdings Inc. executive team
- Mr. Steven J. DemetriouExecutive Chair
- Mr. John E. HellerCEO & Director
- Mr. Travis Barton JohnsonChief Financial Officer
- Mr. Stephen A ArnetteChief Operating Officer
- Mr. Sean MullenChief Growth Officer
- Ms. Jill BruningChief Technology Officer
- Mr. Luis GermanChief Information Officer
- Mr. Nathan RutledgeSenior VP & Head of Investor Relations
- Ms. Karina VollmerChief Ethics & Compliance Officer
- Ms. Michele St. MaryChief Legal Officer, General Counsel & Corporate Secretary