Senior Traffic Engineer

HDR; Bellevue (WA); On-site; USD 90,000 - 120,000; Full time

Job summary

HDR is seeking a Senior Traffic Engineer in Bellevue, Washington, to lead traffic engineering designs and analyses for municipal and infrastructure projects. Candidates will ideally have a Bachelor’s degree in civil engineering and a minimum of 10 years of experience in traffic engineering and ITS.

The role involves providing technical oversight, mentoring staff, and supporting business development efforts. Strong communication skills and proficiency in traffic analysis software are essential.

Qualifications

• Minimum 10 years of experience in ITS and traffic engineering for urban and rural highways.
• Professional engineering license (PE) recognized in the location of the position.
• Strong relationship-building skills with agency staff and project stakeholders.

Responsibilities

• Lead traffic engineering design and analysis for infrastructure projects.
• Provide technical oversight for traffic signal and operations deliverables.
• Oversee project delivery, schedules, budgets, and coordination with teams.

Skills

Traffic engineering design

Corridor traffic analysis

Traffic operations

Microsoft Office

Traffic analysis software

Oral and written communication

Team collaboration

Education

Bachelor’s degree in civil engineering or related field

Tools

HCS

CORSIM

Synchro/SIM Traffic

VISSIM microsimulation modeling

Job description

Senior Traffic Engineer

Responsibilities

• Lead traffic engineering design, corridor traffic analysis, and traffic operations for municipal, transit, and infrastructure projects.
• Provide technical oversight for traffic signal, ITS, roadway, MOT/TCP, and signal timing deliverables.
• Lead corridor operational analyses, intersection evaluations, signal timing optimization, and multimodal improvement studies.
• Serve as lead reviewer and perform quality control for plans, specifications, calculations, traffic models, and technical reports.
• Oversee project delivery, schedules, budgets, and coordination with multidisciplinary teams and agency stakeholders.
• Mentor and support junior engineering staff through technical guidance, training, and design review.
• Support development of traffic studies, operational analysis, simulation modeling, and corridor improvement concepts.
• Lead client coordination meetings, workshops, and technical presentations with agency partners and stakeholders.
• Develop and maintain relationships with local agency and municipal clients.
• Support marketing and business development efforts including proposal support, interviews, project positioning, and client outreach.
• Identify and pursue new traffic engineering, ITS, traffic operations, and signal timing opportunities in the local market.
• Support strategic growth of traffic engineering services and expansion of stand‑alone traffic projects.
• Coordinate with transit, roadway, water resources, and infrastructure teams to support integrated project delivery.
• Assist in oversight of traffic control and sequencing plans throughout construction.
• Serve as a technical expert with recognized authority in a specialization that resolves complex problems across major projects.
• Organize and supervise work of medium to large staff of professionals and technicians as needed.
• Serve as project manager on larger projects as required.
• Perform other duties as needed.

Required Qualifications

• Bachelor’s degree in civil engineering or related field.
• Minimum 10 years of experience in ITS and traffic engineering for urban and rural highways, major and minor interchanges, and intersections.
• Professional engineering license (PE or equivalent) recognized in the location of the position.
• Knowledge of state and federal transportation regulations.
• Proficiency with Microsoft Office and traffic analysis software such as HCS, CORSIM, Synchro/SIM Traffic.
• Strong oral and written communication, presentation skills, and team collaboration ability.
• Commitment to being an active participant in the company’s employee‑owned culture.

Preferred Qualifications

• Master’s degree (MSCE) or equivalent advanced training.
• Diverse experience in toll roads, roadway design, or construction.
• Experience leading client meetings, workshops, and presentations.
• Strong relationship‑building skills with agency staff and project stakeholders.
• Self‑motivated with strong initiative and problem‑solving abilities.
• Collaborative work across multidisciplinary teams.
• Experience supporting business development, proposals, and client outreach.
• Comfortable representing the firm in public meetings, conferences, and industry events.
• Interest in growing the local traffic engineering practice.
• Experience with corridor traffic analysis, traffic operations, and signal timing projects.
• Working knowledge of VISSIM microsimulation modeling and traffic analysis tools.
• Familiarity with Synchro, SimTraffic, HCS, or related traffic operations software.

We are an equal‑opportunity employer. HDR is an affirmative action and equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status.

Primary Location: United States, Washington, Bellevue
Other Locations: Washington, Seattle; Washington, Everett; Washington, Olympia
Schedule: Full‑time
Employee Status: Regular