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. Utilizes tools and various devices to complete required tasks including, but not limited to, soldering iron, screwdrivers, crimpers, tweezers, scalpels, scissors, microscope, assorted hand tools, vices, ESD equipment, thermal strippers, and other tools as dictated by assembly instructions.