Network Engineer *TS​/SCI

Zachary Piper Solutions is seeking a Network Engineer to support a federal program out of Springfield, VA. The Network Engineer will be responsible for supporting complex network environments, troubleshooting escalated issues and ensuring secure and efficient network operations.
*** This role requires an Active Top Secret (TS) Clearance for consideration. ***

• Participate in hands‑on installation and implementation of network technologies
• Configure and troubleshoot network devices using CLI, deploy patches, and optimize layer 2/layer 3 protocols
• Support cloud networking technologies such as Azure Virtual Networks and Express Route and integrate with on‑prem infrastructure
• Participate in Layer 1 troubleshooting/configuration of cable types, media converters, and telco circuits
• Maintain and optimize routers, switches, and firewalls
• Set up and maintain VPNs (site‑to‑site and remote access) ensuring secure connectivity

• 3+ years of experience working in network engineering
• Hands on experience with CLI, deploy patches, routers, switches, firewalls, TACLANEs, GEM One, Cisco IOS/NX‑OS, Palo Alto firewalls, F5 load balancers, VPN technologies
• Extensive experience with Windows, Unix, and Linux operating systems
• Strong understanding of Layer 2 and Layer 3 networking protocols
• Must be willing to travel (~1 week a month OCONUS/CONUS)
• Must hold active Top Secret Clearance with SCI eligibility
• Bachelor’s degree in related field

• Salary:
  Up to $170,000 annually
  * commensurate of experience*
• Comprehensive Benefits:
  Full Medical, Dental & Vision Insurance, 401k, PTO (Paid Time Off), Paid Holidays, Sick leave as required by law

This job opens for applications on 12/12/2025. Applications for this job will be accepted for at least 30 days from the posting date.

1, layer 2, layer 3, BGP, border gateway protocol, MPLS, multiprotocol label switching, label switching, SD‑WAN, WAN, LAN, taclane, load balancer, load balancing, cable management, media converter, VPN, virtual private network, remote access, Cisco, Palo Alto, router, switch, firewall, GEM One, F5, top secret, TS/SCI, TS SCI, TSSCI, polygraph, poly, azure, express route, express route, demark, internet transport, CPE, circuits, cable type, juniper, virtual network, cloud network, network design, network architect, infrastructure, network troubleshooting, command line interface, TCP/IP, software‑defined, wide area network, Fortinet, NAT, network virtual appliance, telco, IDS, IPS, solarwinds, wireshark, DNS, DHCP, CCNA, CCNP, sec+, compTIA

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