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. Functional management over a four-to-nine person team to include performance and development objective setting, conduct of semi-annual performance reviews, personnel development and training, annual salary planning, resource planning, balancing workload across personnel, and hiring/onboarding of new personnel.