QinetiQ US (formerly Avantus Federal)
Defense and Space ManufacturingVirginia, United States51-200 Employees
QinetiQ US, formerly Avantus Federal, is a mid-sized defense and security technology company focused on developing and delivering advanced engineering and technology for defense, security, and commercial markets. Based in McLean, Virginia, with a Tysons, Virginia address, it operates as part of the global QinetiQ Group. For more than six decades, it has pursued a mission-led approach to bring capabilities to customers rapidly, supporting missions and safeguarding personnel and critical assets. Its offerings span mission operations, intelligence, surveillance, cyber, information advantage, and robotics and autonomous systems to address complex defense and security needs. As part of an international defense and security technology group, the company notes group-level expansion in 2026 across the United Kingdom and Europe, illustrating ongoing global growth.