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. Additionally, candidate maybe supporting a wide variety of non-routine complex assignments including test and troubleshooting of complex precision electronic circuit cards, subsystems, and systems.