Required Skills: Intelligent Transportation Systems, ITS, CCTV Surveillance, Video Surveillance, LTE , 5G Failover, CCNA, Ansible, Python
Job Description
The clinet is seeking a hands-on Field Network Engineer to serve as a senior technical resource within the Intelligent Transportation Systems (ITS) program. This role is responsible for the design, deployment, and day-to-day operations of a secure, highly available ITS network connecting traffic signals, video surveillance systems, and IoT devices across the District of Columbia.
The network environment leverages Metro Ethernet services as the transport underlay and a Cisco DMVPN secure overlay to link distributed field sites back to DDOT’s headend facilities and data centers. The engineer will work in both field and datacenter environments, with a focus on uptime, safety, and reliability in mission-critical operations.
Key Responsibilities
DMVPN & Secure Overlay Networking
• Deploy and support Cisco DMVPN (Phase 2/Phase 3) hub-and-spoke and spoke-to-spoke overlay networks across Metro Ethernet transport.
• Configure and troubleshoot IPsec VPN profiles, GRE tunnels, NHRP mappings, and tunnel interfaces for the DMVPN fabric.
• Implement dynamic routing protocols (BGP, OSPF, EIGRP) over DMVPN tunnels to support automated failover and optimal path selection.
• Design failover and redundancy strategies, including LTE/5G backup paths, to ensure uninterrupted connectivity during circuit or equipment outages.
• Monitor tunnel health, latency, and throughput to maintain performance standards across all VPN connections.
Metro Ethernet & WAN Transport
• Coordinate with service providers on Metro Ethernet circuit provisioning (E-Line, E-LAN), turn-up, and incident resolution.
• Manage dual-WAN redundancy models and carrier handoff configurations at each site.
• Perform field installations and cutovers of routers, switches, cabinets, and handoff equipment.
Network Engineering & Operations
• Manage VLAN configurations, IP addressing schemes, and Layer 2/Layer 3 connectivity between remote aggregation points and headend data centers.
• Implement and maintain network segmentation using VRFs, VLANs, and firewall policies to isolate ITS traffic domains.
• Apply and tune QoS policies to prioritize latency-sensitive traffic such as signal control and video.
• Troubleshoot network issues end-to-end from field site through WAN transport to data center.
• Maintain accurate network documentation including diagrams, IP assignments, equipment inventories, and configuration records.
ITS Infrastructure Support
• Support Dot’s traffic signal control systems, CCTV/video surveillance platforms, and IoT field devices by ensuring reliable, low-latency transport connectivity.
• Coordinate field cabinet upgrades to accommodate new network equipment, including power and environmental requirements.
• Manage the migration of remote aggregation points from legacy infrastructure to modern DMVPN-based transport.
• Monitor network performance, availability, and service-level compliance across all ITS transport links.
Security & Compliance
• Ensure all network connections utilize encrypted communications per DDOT and District government security policies.
• Manage VPN certificate lifecycles, key rotation, and trust domain configurations.
• Implement IoT security and segmentation best practices for field-deployed devices.
• Support security audits, vulnerability assessments, and remediation efforts on ITS network infrastructure.
Work Environment
- Combination of field work (street-level cabinets, utility corridors), data center operations, and remote support.
- Travel to field locations across the District required; valid driver’s license required.
- Ability to lift and rack network equipment up to 50 lbs.
- Participation in scheduled maintenance windows and on-call availability for after-hours emergency response.
Required/Desired Skills
Candidates must have ALL the “Required” skills in order to be considered for the position. “Desired” or “Highly Desired” skills are a PLUS but may NOT be required.
Skill Matrix (Please fill the last two columns of this matrix)
| Experience with Business workflow processes | Required / Desired | Amount | of Experience | Years of Experience | Last Used |
| Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or a related field (or equivalent professional experience). | Required | 15 | Years | | |
| Conveying technical and functional concepts for a specific technical specialty | Required | 11 | Years | | |
| Preparing complex technical documentation | Required | 11 | Years | | |
| Experience with Intelligent Transportation Systems (ITS) including traffic signal controllers, CCTV/video surveillance transport, and traffic manageme | Required | 11 | Years | | |
| Experience with LTE/5G failover solutions | Required | 7 | Years | | |
| Network automation skills using Ansible or Python-based scripting. | Required | 11 | Years | | |
| Knowledge of IoT security and segmentation best practices. | Required | 5 | Years | | |
| Knowledge of high-availability network design, redundant architectures, and disaster recovery planning. | Required | 8 | Years | | |
| Fiber optic network experience — including single-mode fiber design, SFP/SFP+ transceivers | Required | 11 | Years | | |
| Prior experience working with a state or municipal Department of Transportation. | Required | 10 | Years | | |
| Active CCNA Certification | Required | 0 | | | |
| CCIE Enterprise Infrastructure, Certified Fiber Optic Technician (CFOT) or equivalent, • CompTIA Network+ or Security+ ITIL v4 Foundation | Highly desired | 0 | | | |
