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.
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.

