Field Network Engineer

About the role

DDOT needs a senior network engineer to design, run and harden the network behind the District's transportation systems. You will work across field cabinets and the data center, keeping traffic signals, CCTV and IoT devices connected, segmented and resilient. The role combines hands-on field work with architecture, automation and clear technical documentation.

Key responsibilities

• Design, configure and troubleshoot Cisco WAN overlays using DMVPN, IPsec, GRE and NHRP.
• Engineer and maintain routing with BGP, OSPF and EIGRP across field and data-center networks.
• Support Metro Ethernet circuits and WAN failover, including LTE/5G backup links.
• Build VLAN and VRF segmentation and QoS policy for traffic signal controllers, CCTV/video transport and IoT devices.
• Design high-availability and redundant architectures, and plan and test disaster recovery.
• Install and troubleshoot fiber connectivity, including single-mode fiber and SFP/SFP+ transceivers.
• Automate configuration and operations with Ansible and Python.
• Apply IoT security controls and network segmentation for field devices.
• Travel to field locations across the District to install, rack and repair equipment.
• Take part in scheduled maintenance and after-hours on-call response.
• Produce complex technical documentation and explain technical and functional concepts to DDOT staff and stakeholders.

Required qualifications

A bachelor's degree is listed for this role. Equivalent experience may be accepted in place of the degree, and 11 years of relevant professional experience is required either way.

Relevant professional experience

High-availability network design, redundant architectures and disaster recovery

Conveying technical/functional concepts and preparing complex technical documentation

Supporting ITS, including traffic signal controllers, CCTV/video transport and traffic management

LTE/5G failover and network automation using Ansible or Python

Fiber networks, including single-mode fiber and SFP/SFP+ transceivers

Working with a state or municipal Department of Transportation

IoT security and segmentation

Required certification and work requirements

• Active Cisco CCNA.
• Valid driver's license and ability to travel locally to field sites across the District.
• Ability to lift and rack equipment up to 50 lbs.
• Availability for scheduled maintenance windows and after-hours on-call response.

Highly desired certifications

• CCIE Enterprise Infrastructure
• CFOT (Certified Fiber Optic Technician) or equivalent
• CompTIA Network+ or Security+
• ITIL v4 Foundation

Pay: $90,000.00 - $100,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Health insurance
• Paid time off
• Retirement plan

Application Question(s):

• How. many years of relevant professional experienced you have?
• How many years of experience do you have with high-availability network design, redundant architectures and disaster recovery?
• How many years of experience do you have with conveying technical/functional concepts and preparing complex technical documentation?
• How many years of experience do you have with supporting ITS, including traffic signal controllers, CCTV/video transport and traffic management?
• How many years of experience do you have with LTE/5G failover and network automation using Ansible or Python?
• How many years of experience do you have with fiber networks, including single-mode fiber and SFP/SFP+ transceivers?
• How many years of experience do you have with working with a state or municipal Department of Transportation?

Education:

• Bachelor's (Preferred)

Experience:

• IoT security and segmentation: 5 years (Preferred)

License/Certification:

• CCNA (Required)
• CCIE (Preferred)
• ITIL Foundation (Preferred)

Location:

• Washington, DC 20003 (Preferred)

Ability to Commute:

• Washington, DC 20003 (Preferred)

Work Location: Hybrid remote in Washington, DC 20003