Provide leadership to the system engineering staff generating engineering documents including specifications, interface control documents, test plans, and prioritization that may include: Developing the database framework to properly allocate, trace and verify requirements through all mission phases. 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.