Cybersecurity System Administrator - Defense & Aerospace

SimVentions, Inc. seeks a System Administrator to support Defense & Aerospace IT and cybersecurity missions. You will install, configure, and secure Windows/Linux servers, networks, and virtualized environments; manage user accounts, storage, and backups; and apply patches, STIGs, and cybersecurity controls to meet DoD requirements. Collaborate with engineers and cybersecurity analysts to troubleshoot complex issues, harden systems, and maintain high availability for mission-critical environments. SimVentions offers a collaborative, family-like culture, professional growth, and meaningful work supporting national defense.