Engility Holdings, Inc., together with its subsidiaries, provides a range of technical services to the U.S. Department of Defense, U.S. Department of Justice, U.S. Department of State, Federal Aviation Administration, Department of Homeland Security, and space-related and intelligence community agencies. It offers systems engineering and integration services, including engineering and technology lifecycle support, information assurance, modeling and simulation, and architecture analysis and modernization; and cybersecurity services, such as vulnerability assessments and penetration testing, independent test and evaluation, cybersecurity systems engineering, cyber quick reaction range capability, and cyber hunting. The company also provides high performance computing services comprising architecture and infrastructure design, data management and analytics, and integration and testing, as well as systems operation, optimization, and sustainment; and enterprise modernization services, which include architecture analysis and modernization, information technology services and solutions, and software development and integration. In addition, it offers mission and operations support solutions in the areas of artificial intelligence, space launch and space flight, law enforcement, intelligence analysis, air traffic management, engineering and fabrication, and communication data exchange; and readiness and training solutions, including training development, learning, and knowledge management. The company was incorporated in 2012 and is based in Chantilly, Virginia. Engility Holdings, Inc. is a subsidiary of Birch Partners, LP.