Leidos is seeking a Systems Integration & Test Engineer who will be a member of a dynamic team who will be working on the United Kingdom’s National Air Traffic Services (NATS) Flight Data Processing Replacement (FDP-R) program. FDP-R is a system that will modernize and enhance the Flight Data Processing system to increase efficiency and performance of the UK National Airspace System (NAS). This system will seamlessly integrate into the NATS ecosystem, serving as a robust and reliable replacement for the current operational NAS. Location: Gaithersburg, MD