Field Network Engineer

Important Application Requirement This position is for local DMV-area candidates only . Applicants who do not currently live in the DC, Maryland, or Virginia area and would require relocation will not be considered . Candidates must meet the minimum years of experience for each required skill listed below . The required experience must be clearly visible on the resume . If the resume does not clearly show the required years of experience, the candidate may be rejected. Job Description Seeking a hands-on Field Network Engineer to serve as a senior technical resource within the Intelligent Transportation Systems program . This role is responsible for the design, deployment, and daily operations of a secure, highly available ITS network connecting traffic signals, video surveillance systems, and IoT devices across the city. The network environment uses Metro Ethernet services as the transport underlay and a Cisco DMVPN secure overlay to connect distributed field sites back to DDOT headend facilities and data centers. The engineer will work in both field and data center environments, with a strong focus on uptime, safety, and reliability in mission-critical transportation operations. Required Qualifications Candidates must have the following minimum experience clearly shown on their resume Bachelor's degree in Computer Science, Information Technology, Network Engineering, or related field, or equivalent professional experience — 15 years required Conveying technical and functional concepts for a specific technical specialty — 11 years required Preparing complex technical documentation — 11 years required Experience with Intelligent Transportation Systems , including traffic signal controllers, CCTV/video surveillance transport, and traffic management systems — 11 years required Experience with LTE/5G failover solutions — 7 years required Network automation skills using Ansible or Python-based scripting — 11 years required Knowledge of IoT security and segmentation best practices — 5 years required Knowledge of high-availability network design, redundant architectures, and disaster recovery planning — 8 years required Fiber optic network experience, including single-mode fiber design and SFP/SFP+ transceivers — 11 years required Prior experience working with a state or municipal Department of Transportation — 10 years required Active CCNA Certification is required Highly Desired Qualifications The following certifications are highly desired CCIE Enterprise Infrastructure Certified Fiber Optic Technician, CFOT, or equivalent CompTIA Network+ or Security+ ITIL v4 Foundation Key ResponsibilitiesDMVPN & Secure Overlay Networking Deploy and support Cisco DMVPN Phase 2 and 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, including BGP, OSPF, and 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, including E-Line, E-LAN, circuit 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 the data center. Maintain accurate network documentation, including diagrams, IP assignments, equipment inventories, and configuration records. ITS Infrastructure Support Support DDOT 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 use encrypted communications in accordance with 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, data center operations, and remote support. Field work may include street-level cabinets, utility corridors, transportation infrastructure, and network equipment locations. Travel to field locations across the District is 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 is required. Application Screening Notice Please make sure your resume clearly shows the required experience listed above. Candidates who do not clearly demonstrate the minimum years of experience for each required skill may be rejected. Local DMV candidates only. Applicants requiring relocation will not be considered. Pay: $68.00 - $72.00 per hour Work Location: In person J-18808-Ljbffr