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. Operate as a primary contact for the infrastructure, deployment, and Engineering tools teams to assist with performing technical design, planning, implementation, and high-level performance tuning of Windows / Linux OS and application servers and workstations tools.