Systems Security Administrator Jobs

Experienced systems security administrator needed to implement and maintain RBAC, user provisioning, and access recertification for federal financial and asset management systems in the Washington, D.C. area.

Lead and manage Infleqtion’s hybrid enterprise infrastructure — overseeing servers, networking, cloud platforms, backups, and security controls from our Louisville, CO office.

Delaware Nation Investments/Emerging Technologies seeks a cleared Senior Systems Administrator to manage RMF-driven cybersecurity, STIG implementation, and OT/IT network operations across AFSC depot locations.

Qualis LLC is hiring an experienced Systems Administrator/Database Manager to secure, optimize, and operate database and server environments across on-prem and cloud platforms.

Experienced systems administrators with DoD Top Secret/SCI clearance are needed to support deployed systems, perform sustainment travel to foreign partners, and provide Tier 2 operational support for mission systems.

Greenfield Engineering seeks an experienced Systems Administrator to provide onsite Windows server, desktop, network, and security administration at Patuxent River NAS in a primarily onsite role.

Experienced Application/Systems Administrator needed to install, configure, secure, and support Windows-based applications for a DoD-focused professional services firm.

Resultant is hiring a remote Systems Administrator to manage client systems, security, and provide outstanding technical support for clients across the US.

Millennium Corporation seeks an experienced Systems Security Engineer to secure SCIF and cloud/hybrid environments for DoD-focused programs in Annapolis Junction, MD.

Provide senior-level systems administration and security compliance leadership at DELC, managing on-prem and cloud infrastructure while driving cybersecurity readiness and cross-agency collaboration.

Experienced SQL DBA / Systems Analyst needed to administer and enhance eDiscovery platforms, perform ESI processing, and lead upgrades and integrations for a large federal agency client.

Spalding is hiring an Application/Systems Administrator to manage and secure Windows-based application deployments and provide tiered support for DoD-focused systems in a remote-first position.

Lead hands-on administration and security hardening of air-gapped classified Windows/Linux systems for Anduril’s Intelligence Systems team in Santa Ana.

Hyundai MOBIS Corporate Center America is looking for an IT Infrastructure Analyst with 3+ years of hands-on systems and network experience to ensure secure, reliable IT operations across its North American sites.

Peraton is hiring an experienced Systems Administrator to manage, secure, and optimize physical and virtual infrastructure supporting critical national security missions.

Experienced systems administrator sought to manage, automate, and secure cloud and server infrastructure for remote clients with structured schedules and strong customer-service expectations.

Support Penn State's research and academic computing environment as a Unix Systems Administrator in a dynamic and collaborative higher education setting.

Systems Security Administrator needed to manage RBAC, user provisioning, and access recertifications for FBI financial/facilities applications in the Washington, D.C. area.

ZeroMark is seeking a skilled Systems Administrator to manage and optimize their physical and virtual IT infrastructure at their New York location.

An experienced System Operations Administrator role supporting Windows infrastructure and Microsoft security solutions at Sangoma, enabling business communications across sectors.