Amentum is a leading global engineering, project management, and technical services company that delivers critical solutions to government and commercial clients around the world. Headquartered in Chantilly, Virginia, Amentum was established in 2020 following its separation from AECOM’s Management Services division, but its roots trace back decades through a legacy of major engineering and defense organizations. The company operates across a diverse range of sectors, including defense, intelligence, energy, environment, and infrastructure, providing mission-critical support that ensures safety, efficiency, and sustainability in some of the world’s most demanding operational environments. Amentum’s mission is to enhance national security, advance technological innovation, and maintain essential infrastructure through expert engineering, logistics, and technical expertise. With more than 40,000 employees operating in over 80 countries, Amentum plays an integral role in supporting government agencies such as the U.S. Department of Defense, Department of Energy, and Department of Homeland Security, as well as private-sector clients in the energy and industrial markets.
The company’s core services encompass a wide spectrum of capabilities designed to address complex global challenges. Amentum provides advanced engineering, maintenance, and logistics support for military bases, weapons systems, and critical infrastructure. It manages large-scale operations and maintenance programs for government facilities, ensuring operational readiness and compliance with safety standards. In the energy sector, Amentum is deeply involved in nuclear cleanup, environmental remediation, and renewable energy projects that promote sustainability and public safety. Its environmental management work includes decontamination and decommissioning of nuclear sites, waste treatment, and remediation of legacy contamination, demonstrating its expertise in handling high-risk technical projects. Additionally, Amentum offers cutting-edge technology solutions, such as cyber operations, data analytics, and artificial intelligence integration, enabling clients to modernize their systems and enhance mission performance. The company’s engineering excellence and deep technical knowledge allow it to deliver tailored solutions that meet the highest standards of safety, reliability, and efficiency.
Amentum’s success is driven by its people, culture, and commitment to innovation. The company emphasizes a “mission-first” approach—prioritizing the objectives of its clients while maintaining an unwavering focus on safety, quality, and ethical performance. Its workforce includes scientists, engineers, technologists, and project managers who work collaboratively to solve some of the most complex operational and technical problems in the world. Amentum’s strong culture of innovation is supported by continuous investment in research and development, digital transformation, and emerging technologies. Through automation, data-driven decision-making, and advanced analytics, Amentum helps clients optimize performance, reduce costs, and achieve long-term operational success. The company also plays a leading role in developing sustainable infrastructure and energy solutions, integrating renewable energy systems, and supporting global environmental restoration initiatives. These commitments position Amentum as not only a service provider but also a trusted partner in advancing a safer, cleaner, and more sustainable future.
As a global leader, Amentum continues to expand its influence by acquiring strategic partners and forming alliances that strengthen its technical capabilities and geographic reach. Its acquisition of companies like PAE Incorporated has broadened its service portfolio and global footprint, reinforcing its leadership in defense contracting and critical infrastructure management. Amentum’s dedication to excellence, accountability, and innovation has earned it recognition as one of the most reliable and capable contractors serving government and industry clients worldwide. The company’s long-standing reputation for delivering results on time and within budget, even in high-risk and high-complexity environments, reflects its core values of integrity, collaboration, and expertise. Looking to the future, Amentum remains focused on driving transformation across the defense, energy, and industrial sectors through advanced engineering, digital innovation, and sustainable operations. By combining deep technical knowledge with a commitment to mission success, Amentum continues to build a legacy of excellence in serving those who serve and in shaping a more secure, sustainable world.