This unique role integrates physics-based modeling and simulation, mission engineering, and software architecture to generate realistic, simulated mission data representing physical signal phenomenology, propagation through a sensor signal chain, on-board processing, spacecraft interactions, and downstream mission products. BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services.