Revolutional, LLCVerified Source

SME Systems Administrator, DHS Mission Critical IT & Cloud

125K–145K
Partially · Washington, District of Columbia
Posted August 14, 2026
full-time

Overview

Lead enterprise IT operations and secure systems for 24/7 DHS mission support at scale across multiple locations. Own LAN/WAN, AD, virtualization, and COOP/DR readiness while collaborating with government and vendor partners. Join a product minded team delivering mission-focused technology in fast-paced environments.

What You'll Do10

  • 1Build and maintain LAN/WAN infrastructure, servers, SANs, and network devices to ensure high availability
  • 2Design and administer Active Directory including domain controller promotion, DNS/DHCP troubleshooting, GPO management, and automation scripting
  • 3Plan and deploy COOP and DR capabilities with government and vendor partners to ensure redundancy and failover readiness
  • 4Patch and update servers and workstations maintaining security baselines per DHS and FISMA standards
  • 5Apply security hardening and vulnerability remediation coordinating with the ISSO for ATO processes
  • 6Administer virtualization and storage platforms including VMware ESXi/vCenter, Nutanix, and NetApp storage
  • 7Assist with Palo Alto firewall deployment and rule migration to support segmentation and HA
  • 8Configure Cisco/Dell switches and support VPN tunnels and IP transition projects
  • 9Support lab environments for patch validation and COOP simulations
  • 10Maintain technical documentation and SOPs in CALEA repositories

Requirements10

  • 1Bachelor's degree in IT, Engineering, or related field OR 5+ years of equivalent experience
  • 210+ years enterprise IT systems and network administration experience
  • 3Proficiency in Active Directory DNS DHCP GPO management PowerShell or Bash scripting
  • 4Experience with VMware Nutanix NetApp Windows Server and Linux system management
  • 5Server/workstation patching, security remediation, and ATO coordination with ISSO
  • 6Experience with Cisco/Dell networking and Palo Alto firewalls
  • 7Strong communication skills with technical and non-technical stakeholders
  • 8Ability to work independently in high-pressure, mission-critical environments
  • 9Preferred: federal law enforcement IT support COOP/DR site design
  • 10Preferred: Kubernetes knowledge and lab/testing experience

Salary Insight

$125 - $145k per year

Location

Typepartially
LocationWashington, District of Columbia

Required Skills

Active DirectoryDNSDHCPPowerShellBashVMwareNutanixNetAppCisco switchesPalo Alto firewalls
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