Senior Traffic Engineer

We believe transportation is more than movement, it's the foundation of connected, thriving communities. As part of HDR's Transportation Business Group, you'll help shape the systems that move people and goods safely, efficiently, and sustainably. From designing resilient highways and iconic bridges to advancing transit, passenger and freight rail, aviation, federal transportation ports and marine infrastructure, your work will directly support economic vitality, public safety, sustainable and resilient communities and quality of life.

Primary Responsibilities

The Senior Traffic Engineer will work as a member of the Traffic and Planning engineering design team, working with the civil engineer design team, on projects serving clients in the New England area and across the national transportation network. The position requires leading the design of traffic engineering projects to support our clients while meeting the fundamental obligation to prioritize the safety, health, and welfare of the public.

This requires a thorough understanding of applicable design and safety standards and the application of best practices in the development of the design. The Traffic Department engages in several areas of design including traffic modeling, traffic studies and report preparation, traffic impact studies and presentation, capacity analyses, and the preparation of signal design and traffic control plans for clients throughout New England including MassDOT, MBTA, NHDOT, RIDOT, and the City of Boston.

The candidate must be a self‑motivated individual who maintains a high level of professionalism while performing engineering assignments.

Preferred Qualifications

• Professional Traffic Operations Engineer (PTOE) certification

• Road Safety Professional (RSP) certification

• Proficiency in Synchro Sim Traffic and/or PTV Vissim

• Preferred experience with MassDOT, CTDOT, RIDOT, MBTA, and Massachusetts municipalities

• Preferred proficiency with AutoCAD Civil 3D. Recommended experience with Micro Station Open Roads

• Experience in project management and/or lead traffic engineering responsibilities

• Local candidates given preference

Required Qualifications

• Bachelor's degree

• A minimum of 10 years' experience in ITS and traffic engineering for urban and rural highways, major and minor interchanges and intersections

• Requires professional engineering license recognized by the licensing board for the location of the position offered (Example:
Professional Engineer (PE or P.Eng) license).

• Knowledge of regulations of state and federal transportation agencies

• Proficiency with Microsoft Office

• Experience using HCS, CORSIM, Synchro/SIM Traffic and other software packages

• Strong oral and written communication skills, presentation skills and ability to work in a team environment

• An attitude and commitment to being an active participant of our employee-owned culture is a must

What We Believe

HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment

As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute.

Each group has an executive sponsor and is open to all employees.

We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long‑term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position depends upon skills, experience, education and geographical location.

(Stated benefits are for full‑time regular positions. Temporary and part‑time roles eligible for limited benefits.)
Boston, MA: $139,524 - $199,320
Providence, RI: $122,084 - $174,405
Rocky Hill, CT: $127,897 - $182,710

Primary

Location:

United States-Massachusetts-Boston
Other Locations:
United States-New Hampshire-Bedford, United States-Maine-Portland, United States-Connecticut-Rocky Hill, United States-Rhode Island-Providence
Industry: Highway + Road

Schedule:

Full‑time
Employee Status:
Regular
Business Class:
Traffic Engineering
Job Posting:
Dec 22, 2025

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