We're seeking a Journeyman Network Administrator to support a mission-critical Department of Defense environment in Arlington, VA.
In this role, you'll be responsible for maintaining secure enterprise network infrastructure supporting both classified and unclassified environments.
You'll work alongside network engineers, cybersecurity professionals, and government stakeholders to ensure high availability, performance, and compliance across the enterprise.
If you're passionate about Cisco networking, troubleshooting complex enterprise environments, and supporting national security missions, we'd like to hear from you.
What You'll Do Administer and maintain enterprise network infrastructure supporting classified and unclassified environments Troubleshoot Layer 1-3 connectivity issues including routing, VLANs, switch ports, and network performance Configure, update, and maintain Cisco switches, firmware, IOS upgrades, and configuration backups Monitor network health using SolarWinds and Cisco Catalyst Center (DNAC) Support VMware ESXi environments and Windows Server infrastructure Manage ForeScout network access control and Cisco ISE authentication services Troubleshoot IPv6 networking and wireless infrastructure Perform DISA STIG implementation, validation, and remediation activities Support vulnerability remediation efforts using ACAS findings in coordination with cybersecurity personnel Maintain network documentation, diagrams, SOPs, and asset inventories Resolve Tier III network incidents and support Help Desk escalations Participate in change management activities and maintain accurate technical documentation Provide occasional after-hours support within a 24x7 operational environment Required Qualifications Active DoD Secret Clearance Ability to obtain and maintain a Top Secret/SCI clearance U.S.
Journeyman Network Engineer • Arlington, VA, US
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