**** W2 or 1099 or c2c ***In Person Interview *****Long term project; usually the project goes for multiple years with this customer. Hybrid ***
Job Description
The Client 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.
Skills/Requirements
- 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
- CCIE Enterprise Infrastructure, Certified Fiber Optic Technician (CFOT) or equivalent, • CompTIA Network+ or Security+ ITIL v4 Foundation
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