System Administrator

Job description

Responsibilities We are seeking a highly skilled and innovative System Administrator to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities: - Manage Windows and Linux servers across production, staging, COOP, and training environments: OS/image deployment, configuration, patching, backups/restores, and capacity optimization. - Execute IAVA/STIG compliance activities: run scans (ACAS/SCAP), apply STIG/IAVM remediations, validate fixes, and track compliance timelines for CCRI/CVE requirements. - Deploy enterprise applications and OS patches across NIPRNet and SIPRNet; coordinate testing, integration, and rollback procedures to preserve availability. - Administer RBAC, Core‑ACS/Edge‑EAS, Client RA VPN, base firewall policies, mailbox provisioning/decommissioning, and license allocation/usage for DEE/Army 365 services. - Monitor system health and performance, investigate incidents, perform root‑cause analysis, and coordinate escalations and post‑deployment support. - Maintain platform SOPs, baseline configurations, runbooks, and change records to support configuration management and audit readiness. - Produce operational reports, compliance dash...