System Administrator

SimVentions, Inc. (Glassdoor 4.6) seeks a System Administrator to support Defense & Aerospace IT systems. You'll manage Windows/Linux servers, networks, user accounts, and cloud services in secure DoD environments. Responsibilities include monitoring system performance, applying patches, hardening and troubleshooting infrastructure, implementing cybersecurity controls, and supporting accreditation requirements. Collaborate with engineers and cybersecurity specialists to ensure availability, rel…