Hiring: SME Systems Administrator Company: Harmonia Holdings Group, LLC Location: Lorton, VA Job Posted Time: 2026-09-17 00:03:29 Employment Type: Full-time / Hybrid Target Skills & Keywords : Bash, DNS, Kubernetes, Linux, PowerShell, Project Management, VPN, Windows Server About the job Experience: •5 years equivalent experience. •10+ years enterprise IT systems/network administration experience. Required Skills: •Revolutional is seeking an experienced •To support Department of Homeland Security (DHS). This role provides advanced technical leadership and mission-critical support for secure law-enforcement systems operating 24/7 across multiple locations. •The Systems Administrator will manage and troubleshoot enterprise networks, servers, virtual environments, and security configurations while collaborating on the design and maintenance of the Continuity of Operations (COOP) •Site in Scottsdale, AZ. A shared responsibility among Harmonia, the government, and vendor partners. •This position supports DHS’s mission while contributing to Revolutional's overarching goals: delivering premier technology services, driving mission-focused innovation, sustaining organizational excellence, and being an employer of choice for skilled professionals. •Install, configure, administer, and maintain LAN/WAN infrastructure, servers, SANs, and network devices. •Troubleshooting DNS and DHCP issues •Managing GPO hierarchy and execution Qualifications: •Bachelor’s degree in IT, Engineering, or related field OR +5 years equivalent experience. •Active Directory, DNS, DHCP, and GPO management •PowerShell or Bash scripting for automation and administration •VMware, Nutanix, and NetApp administration •Windows Server and Linux system management •Server/workstation patching and security remediation •Security standards, ATO processes, and coordination with ISSO •Cisco/Dell network devices and Palo Alto firewalls •Excellent communication skills with both technical and non-technical stakeholders. •Demonstrated capacity to work independently in high-pressure, mission-critical environments. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!