System Administrator

SimVentions, Inc. (Glassdoor 4.6) seeks a System Administrator to support Defense & Aerospace IT and cybersecurity missions. You will manage secure servers, networks, and end-user systems, ensure patching and STIG compliance, and monitor system performance and availability. Collaborate with engineers and cybersecurity staff to harden environments, support accreditation, and troubleshoot complex issues. Join a values-driven, family-like culture where you’ll contribute directly to national defens…