Systems Definition Inc Careers in Washington, DC

Headquartered in Alexandria, VA, Systems Definition, Inc. (SDI) provides innovative, focused software development, system planning, technical documentation, and more to the First Responder community, as well as a variety of DoD and commercial clients. Our activities support initiatives for Defense, First Responder safety and accountability, aerospace, custom applications, and web technologies. We deliver a comprehensive suite of fireground accountability applications which are used daily by fire departments across the United States, including the New York City Fire Department.