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. The successful candidate shall have experience in and be capable of the following Specific Responsibilities: Maintains, adjusts, repairs, installs, troubleshoot, tests and operates all types of air conditioners, chillers, hot water boilers, refrigeration equipment, and all controls and component parts for each of the above systems.