Systems Network Administrator (TS/SCI w/ Poly) Leidos - National Security Sector | Cyber & Analytics Business Area (CABA) Make a Difference in National Security Leidos has an exciting opportunity for a Systems Network Administrator to join our National Security Sector's Cyber & Analytics Business Area (CABA). Our team is at the cutting edge of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics-delivering solutions that directly support cr