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. You'll coordinate with Customers, the Program Management Office, the Chief Systems Engineer, the Chief Engineer and other engineering disciplines, suppliers, and partners as applicable to lead the architectural development, technical integration, and verification of space systems and their associated ground and launch systems as necessary.