At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We are all about trust, camaraderie, and a shared ambition to lead the world in defense technologies and national security services. We offer flexible work environment to support the balance in your life and keep you performing at your best. Be a part of a company that is part of the community; driven to improve our future and protect our freedom. Our Sterling, VA based team supports a US Government (USG) agency program that engineers, deploys, and maintains a cloud-based Model Based Systems Engineering Ecosystem (DEE). We are seeking an Information Systems Security Officer (ISSO) to monitor and maintain the programs' security posture. The ISSE will work in coordination with fellow members of the project team and external service providers in accordance with the NIST 800-171 Risk Management Framework (RMF) and USG instructions.