About BAE Systems Space & Mission Systems 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. BS degree in Chemistry, Physics, Chemical Engineering, Material Science, Metallurgical Engineering, Electrical Engineering, Mechanical Engineering, or related technical filed plus 2 or more years related experience in a physical or chemical testing laboratory.