About BAE Systems Electronic 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. As a Systems Engineer, you will be a member of a cross-functional, multi-disciplinary team focused on modeling, designing, developing, integrating, debugging, testing, fielding, and supporting our innovative Electronic Systems.