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Salary
$90k – $110k per year
Location
Hybrid (Ashburn, United States)
Seniority
Staff · 8+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Aug 19, 2026. Agiledefense scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Agile Defense is an American government technology services company that has grown rapidly through acquisition into a mid-tier federal contractor, backed by the private equity firm Enlightenment Capital. It provides digital transformation, cloud and infrastructure services, cyber operations, artificial intelligence and mission support to defence, intelligence and civilian agencies, largely through cleared staff embedded with government programme offices. Headquartered in McLean, Virginia, it competes in the segment between the very large primes and the small business set-aside contractors, where consolidation has been rapid.

Requisition #: 1799

Job Title: Network Engineer

Location: Hybrid, Ashburn, VA

Clearance Level: Ability to successfully receive a DHS Customs and Border Protection background check (CBP BI), Public Trust

Job Description

    Serve as a Network Engineer enabling the Department of Homeland Security (DHS) mission and enterprise network infrastructure. The applicant will be responsible for engineering, installing, maintaining, configuring, and troubleshooting wide-area networks (WAN), local-area networks (LAN), Virtual Private Networks, wireless networks (WLAN), and perimeter security controls in accordance with customer standards and mandates.

Education and Background

  • Bachelor’s degree in management information systems, Computer Science, Engineering, or a related technical field (e.g., Information Technology, Networking and Telecommunications) with 5+ years of experience performing network engineering or 8+ years of network engineering experience without a bachelor’s degree.
  • Minimum of five (5) years of verifiable network engineering experience supporting a large, complex Federal agency.
  • Strong knowledge of networking protocols, such as TCP/IP, BGP, OSPF, EIGRP, MPLS, VPNs and VLANs.
  • Expertise and experience with Cisco technology and Firewall technologies

Years of Experience

    5 years

Required Skills

  • Network Engineering & Maintenance: Configure, deploy, and support enterprise-grade switches, routers, firewalls, VPN gateways, adhere to logging baselines and load balancers across DHS operational environments.
  • Troubleshooting & Incident Management: Provide Tier 2/Tier 3 escalation support for network outages, circuit degradations, and performance issues; conduct root cause analyses (RCA) and coordinate vendor support.
  • Architecture & Upgrades: Support the planning, installation, and cutover of network hardware upgrades, SD-WAN transitions, cloud interconnects (AWS/Azure/GCP), remote field sites and infrastructure modernization.
  • Documentation & Asset Management: Maintain accurate network diagrams (Visio), topology maps, inventory databases, standard operating procedures (SOPs), and change control tickets (ServiceNow/Remedy).
  • Support On-Call & Escalation Management: support 24/7/365 on-call rotation readiness to respond to Tier 2/3 critical network incidents within SLA limits, driving root cause identification and coordinating cross-functional escalation pathways. Project Support:
  • Partner with program and project managers to align network engineering deliverables, milestone schedules, and resource planning with enterprise project objectives.
  • Scheduled and Adhoc Travel: Ability to travel within the United States either on short notice or scheduled, up to 35% of the time.
  • Critical and Problem solving skills, ability to work independently.

Preferred Skills

  • Intermediate skills in 3 or more of the following
  • Cisco SD-WAN
  • Cisco Hyperflex
  • Cisco StealthWatch
  • Cisco Application Centric Infrastructure
  • Palo Alto Firewalls
  • Willing to be cross trained in the above technologies,
  • Previous CBP BI within the past 4 years highly desired.
  • Active Industry certifications, such as CCNA, CCNP (routing and switching), and/or JNCIP are desired.

Working Conditions

    Ability to sit for long periods of time.

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