This position is for a System Security Engineer (SSE) to provide security engineering support within BAE Systems, Inc. Space & Mission Systems Sector. The SSE supports ongoing programs by managing cyber requirements, validating technical security implementations, and supporting Assessment & Authorization efforts pursuant to gaining and/or maintaining system Authorizations to Operate (ATO). The Engineering, Science, and Analysis (ESA) Strategic Capabilities Unit delivers critical assurance disciplines that protect and enable people, data and missions. We provide a comprehensive approach to managing risk across the enterprise for current and future information environments where the business and missions execute. We apply the use of innovative tools and robust processes to ensure mission and business success.