Senior Network Engineer: DHS Mission-Critical SD-WAN

Agile Defense, Inc.; Ashburn (VA); Hybrid; USD 140,000 - 170,000; Full time

Job summary

Agile Defense, Inc. is seeking a Senior Network Engineer to support the DHS mission and enterprise network infrastructure from its Ashburn, VA area location.

You will engineer, maintain, configure, and troubleshoot WAN, LAN, SD-WAN, VPNs, WLAN, and perimeter security per customer standards and mandates.

Ideal candidates have 10+ years of network engineering experience with Cisco and SDN (ACI/NSX), excellent problem-solving skills, and willingness to travel up to 35% of the time.

Qualifications

• Bachelor’s degree in a technical field with 10+ years of network engineering experience, or 14+ years without a bachelor’s degree.
• Minimum of ten years of verifiable network engineering experience with a large Federal agency.
• Strong knowledge of TCP/IP, BGP, OSPF, EIGRP, MPLS, VPNs, and VLANs.
• Expertise with Cisco technology and firewall technologies; ability to perform firewall changes.
• Hands-on experience with SDN technologies such as Cisco ACI or VMware NSX.

Responsibilities

• Engineer, maintain, configure, and troubleshoot WAN/LAN/SD-WAN/WLAN and perimeter security per customer standards.
• Provide Tier 2/Tier 3 escalation support for outages and performance issues; conduct RCA and coordinate vendor support.
• Support network hardware upgrades, SD-WAN transitions, and cloud interconnects (AWS/Azure/GCP).
• Maintain network diagrams (Visio) and inventory; manage SOPs and change tickets (ServiceNow/Remedy).
• Travel up to 35% within the United States as required.

Skills

Network Engineering

Troubleshooting

Incident Management

Architecture & Upgrades

SD-WAN

Documentation

On-Call Support

Root Cause Analysis

Vendor Coordination

Education

Bachelor’s degree / 14+ years

Tools

Cisco

Firewall Technologies

SDN/ACI/NSX

Visio

ServiceNow / Remedy

Job description

Agile Defense, Inc. is seeking a Senior Network Engineer to support the DHS mission and enterprise network infrastructure from its Ashburn, VA area location.

You will engineer, maintain, configure, and troubleshoot WAN, LAN, SD-WAN, VPNs, WLAN, and perimeter security per customer standards and mandates.

Ideal candidates have 10+ years of network engineering experience with Cisco and SDN (ACI/NSX), excellent problem-solving skills, and willingness to travel up to 35% of the time.