ManTech International

ManTech International Corporation is a Herndon, Virginia-based national security technology company (taken private by The Carlyle Group in 2022) that provides mission-critical software engineering, cyber operations, signals intelligence (SIGINT) processing, and systems engineering for classified US government programs — including space-based intelligence collection platforms and satellite command-and-control infrastructure. Headquartered in Northern Virginia's dense defense contractor corridor near CIA, NSA, NRO, and NGA headquarters, ManTech has long-standing contracts with the intelligence community and US military for programs where cleared software engineers and systems integrators work on classified satellite architectures. Space-relevant capabilities include: software development for reconnaissance satellite ground systems (the processing pipelines that handle imagery and SIGINT collection); space domain awareness systems; classified satellite operations software; and cyber operations support for protecting space infrastructure from adversary interference. ManTech also provides systems engineering and technical assistance (SETA) contracts where its staff augment government program offices managing satellite acquisition programs. The company employs thousands of cleared personnel across facilities clustered around Maryland (NSA/NSOC campus), Northern Virginia, and Colorado Springs (Space Force). Competitors in the national security IT and space intelligence sector include Leidos, Booz Allen Hamilton, SAIC, and Peraton.