Overview AMERICAN SYSTEMS is seeking a Senior System Administrator with 8 years of experience, Top Secret SCI clearance and DoD 8140 Certification to support the mission of The US Space Force located at Schriever Space Force Base, Colorado. AMERICAN SYSTEMS support includes assessing independent Local Area Networks (LANs); executing LAN collapse procedures; procuring authorized LAN equipment for network expansion or upgrades; conducting on-site surveys for new LAN locations; determining and doc