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# Field Network Engineer, ITS Infrastructure (Hybrid, Washington, DC)

- **Company:** Tecknomic LLC
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** LTE (Telecommunication), Border Gateway Protocol, Cisco IOS, Disaster Recovery, Dynamic Multipoint Virtual Private Networks, Enhanced Interior Gateway Routing Protocol, Failover, IP Addressing, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Python (Programming Language), Network Planning and Design, Open Shortest Path First (OSPF), Ansible, Virtual Local Area Networks, Network Routers, Dynamic Routing, Information Technology, Firewall Services Module, Open Network Automation Platform, IoT Security, Cisco
- **Published:** October 18, 2026
- **Apply:** https://www.dice.com/job-detail/a56b970d-1720-4c9b-aae4-5725145f0052

## About the Role

* Bachelor's in Computer Science, IT, Network Engineering, or related (or equivalent); 11 plus years
 * Active CCNA certification (required); CCIE Enterprise, CFOT, Network+/Security+, or ITIL v4 a plus
 * ITS experience (traffic signal controllers, CCTV/video transport, traffic management) and prior state or municipal DOT experience
 * Cisco DMVPN, IPsec/GRE, dynamic routing (BGP/OSPF/EIGRP), Metro Ethernet, and LTE/5G failover
 * High-availability and redundant network design, disaster recovery planning, and fiber optic (single-mode, SFP/SFP+) experience
 * Network automation (Ansible or Python) and IoT security/segmentation best practices
 * Able to work hybrid in Washington, DC with field work, a valid driver's license, lifting up to 50 lbs, maintenance windows, and on-call, * Secure overlay networking: Cisco DMVPN (Phase 2/3), IPsec, GRE, NHRP, and dynamic routing (BGP, OSPF, EIGRP)
 * WAN transport: Metro Ethernet (E-Line, E-LAN), dual-WAN redundancy, carrier handoffs, and LTE/5G failover
 * Network engineering and operations: VLANs, IP addressing, Layer 2/3, segmentation (VRFs), and QoS
 * ITS infrastructure transport for traffic signals, CCTV/video, and IoT field devices
 * High-availability and redundant design, disaster recovery, and fiber optic (single-mode, SFP/SFP+)
 * Network automation (Ansible, Python) and network documentation
 * *Software / platforms:* Cisco IOS/IOS-XE routers and switches, DMVPN/IPsec, Ansible, Python; LTE/5G and fiber transport

## Description

* Deploy and support Cisco DMVPN (Phase 2/Phase 3) overlays over Metro Ethernet (IPsec, GRE, NHRP, tunnel interfaces)
 * Implement dynamic routing (BGP, OSPF, EIGRP) with failover and LTE/5G backup paths; monitor tunnel health and performance
 * Coordinate Metro Ethernet provisioning (E-Line, E-LAN), dual-WAN redundancy, and carrier handoffs; perform field installs and cutovers
 * Manage VLANs, IP addressing, Layer 2/3 connectivity, segmentation (VRFs, VLANs, firewall policies), and QoS for signal and video
 * Support traffic signal controllers, CCTV, and IoT field devices; migrate remote aggregation points to DMVPN transport
 * Ensure encrypted communications and manage VPN certificates and key rotation; support security audits and remediation
 * Maintain accurate network documentation (diagrams, IP assignments, inventories, configuration records)