About BAE Systems Intelligence & Security 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. This position supports execution across programs involving systems engineering, system integration, test and evaluation, system delivery, and field services, and provides leadership engagement at multiple operating sites, including Lexington Park, MD, which has 72 assigned employees.