Systems & Software Engineer (Quantico, VA) Join Life Cycle Engineering in support of the NCIS IT support services mission headquartered in Quantico, Virginia. The Information Technology Directorate (ITD) supports the NCIS core mission areas to investigate and defeat criminal, terrorist, and foreign intelligence threats by planning for and providing services through appropriate use of the people, equipment, technology, and infrastructure resources of the United States (U.S.) Navy and Marine Corp