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. In addition to creating purchase orders, the analysts are a key part of our commodity based and metric focused strategy working on commodity teams with strategic leaders and colleagues from Supplier Quality and other functions.