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. Assignments may include tasks such as obtaining dimensional measurements of parts, XRF analysis, FTIR Analysis, cross-sectioning, testing material properties, failure analysis of electronic parts or assemblies and evaluating new processes.