About the Role: We are seeking an experienced Guidance, Navigation, and Control (GNC) System Architect and Algorithm developer who will perform technical execution scope associated with flight vehicle control system design, algorithm development, software integration, sensor system modeling & analysis, performance analysis, hardware integrated testing, and weapons system verification within the Theater Strike Weapon Systems (TSWS) and Strategic Missile Defense (SMD) portfolios. Designs, develops, implements, verifies and tests algorithms to perform guidance, navigation and control of aircraft, spacecraft, launch vehicles and upper stages during powered and coast phases of flight, earth orbit, interplanetary cruise and orbital insertion, as well as during staging events.