Hybrid Network Engineer – Federal Security Focus

Agile Defense, Inc.; Ashburn (VA); Hybrid; USD 90,000 - 110,000; Full time

Job summary

Agile Defense in Ashburn, VA seeks a Network Engineer to enable the Department of Homeland Security (DHS) mission and manage enterprise network infrastructure, including WAN/LAN, VPNs, WLAN, and perimeter security.

You will work with Cisco technologies, firewalls, SD-WAN, and cloud interconnects (AWS/Azure/GCP) while supporting field sites. Hybrid work arrangement, eligible for travel up to 35% across the United States.

Qualifications

• Bachelor's degree in MIS/CS/Engineering or related technical field with 5+ years of network engineering experience; 8+ years without a bachelor’s degree.
• Minimum of five years of verifiable network engineering experience supporting a large, complex Federal agency.
• Strong knowledge of networking protocols: TCP/IP, BGP, OSPF, EIGRP, MPLS, VPNs, VLANs.
• Expertise with Cisco technology and Firewall technologies.

Responsibilities

• Configure, deploy, and support enterprise-grade switches, routers, firewalls, VPN gateways; maintain logging baselines and load balancers across DHS environments.
• Provide Tier 2/3 escalation support for network outages, RCA, and vendor coordination; adhere to SLA.
• Plan, install, and cutover network hardware upgrades, SD-WAN transitions, cloud interconnects (AWS/Azure/GCP); support remote field sites and modernization.
• Maintain accurate network diagrams (Visio), topology maps, inventory databases, SOPs, and change tickets (ServiceNow/Remedy).
• Support 24/7/365 on-call rotation for critical incidents, coordinating cross-functional escalation pathways.
• Partner with program managers to align deliverables, milestones, and resources with enterprise objectives.
• Travel within the United States up to 35% (short notice or scheduled).
• Demonstrate problem-solving and ability to work independently.

Skills

Network engineering

Troubleshooting

Documentation

Project coordination

On-call support

Project support

Travel readiness

Education

Bachelor's degree in MIS/CS/Engineering

5+ years network engineering experience

Tools

Cisco technologies

Firewall technologies

Visio

ServiceNow/Remedy

Job description

Agile Defense in Ashburn, VA seeks a Network Engineer to enable the Department of Homeland Security (DHS) mission and manage enterprise network infrastructure, including WAN/LAN, VPNs, WLAN, and perimeter security.

You will work with Cisco technologies, firewalls, SD-WAN, and cloud interconnects (AWS/Azure/GCP) while supporting field sites. Hybrid work arrangement, eligible for travel up to 35% across the United States.