Senior Traffic Engineer

Fashion Institute of Design & Merchandising; Vienna (VA); On-site; USD 90,000 - 140,000; Full time

Job summary

HDR is seeking a Senior Traffic Engineer to join the Transportation Business Group. You will design roadway elements, traffic signals, and management systems while guiding a team and aligning with project goals across diverse transportation projects.

You will apply advanced traffic engineering concepts, coordinate with multidisciplinary teams, and contribute to the development of resilient, safe, and efficient mobility solutions.

Qualifications

• Minimum 10 years of ITS and traffic engineering experience for urban and rural highway projects.
• Professional Engineer (PE) license recognized by the licensing board.
• Strong knowledge of state and federal transportation regulations.
• Proficiency with Microsoft Office and traffic analysis software.

Responsibilities

• Provide design oversight for roadway, lighting, signing, pavement marking, traffic signals and traffic management system design plans.
• Oversee traffic control and sequencing plans during construction phases.
• Serve as technical expert for specialized areas and lead project activities with significant impact.
• Organize and supervise medium to large staff; manage projects as needed.
• Communicate effectively within a team and with stakeholders.

Skills

ITS

Traffic engineering

Project management

Communication

Microsoft Office

Education

Professional Engineer license

Tools

HCS

CORSIM

Synchro/SIM Traffic

VISSIM

MicroStation

ORD

GuideSign

SignCAD

Job description

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?

Watch Our Story: ' https://www.hdrinc.com/our-story'

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. We bring together planners, engineers, architects, construction management staff, environmental, strategic communications, economists, management consultants and specialists across disciplines to solve complex mobility challenges with innovation, technical excellence, and a deep understanding of community needs. Whether you're modernizing aging infrastructure or pioneering next-generation transportation solutions, your contributions will help define the future of mobility. This isn’t just a job, it’s a chance to lead progress, drive meaningful impact, and leave a legacy of smarter, more connected transportation networks. We are all employee-owners at HDR, which is the foundation of our collaborative culture that connects employees around the world.

Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

In the role of Senior Traffic Engineer, we'll count on you to:

• Provide design oversight for the production of roadway, lighting, signing, pavement marking, traffic signals and traffic management system design plans; intersection design; capacity and signal warrant analyses; and all aspects of an Intelligent Traffic Sub-system
• Assist in providing oversight of the traffic control and sequencing plans throughout the construction phase of the project
• Serve as a technical expert with recognized authority in an area of specialization that resolves problems of greater scope and complexity while planning and developing projects or design activities that have significant impact on major company programs
• Organize and supervise work of medium to large staff of professionals and technicians as needed
• Serve as project manager on larger projects, though project management is not sole focus of position as needed
• Perform other duties as needed

Preferred Qualifications

• Large project experience, such as interstates, freeways and highways
• Advanced certifications, such as PTOE, RSP1, or RSP 2
• Experience with Highway Safety Manual concepts and predictive analysis software
• Experience using VISSIM, TransModeler, HCS, CORSIM, Synchro/SIM Traffic and other software packages
• Hands-on experience with MicroStation, ORD, GuideSign, and SignCAD
• Experience on projects for VDOT, MDOT or DDOT
• Diverse experience in related fields such as toll roads, roadway design, or construction is a plus
• Preference given to candidates currently residing in the Mid-Atlantic (VA/MD/DC) Area

Required Qualifications

• 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.

Other Locations

United States-District of Columbia-Washington DC, United States-Virginia-Glen Allen, United States-Maryland-Baltimore, United States-Virginia-Virginia Beach, United States-Maryland-Fulton

Industry

Highway + Road

Schedule

Full-time

Employee Status

Regular

BusinessClass : Traffic Engineering

Job Posting

Aug 3, 2026

At HDR, we are committed to the principles of employment equity.

We are an affirmative action and equal opportunity employe r.

We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.

Ready to learn more? Let's work together to make great thingspossible.

We design solutions to the world's greatest challenges. We'realways looking for great talent to join our global teams.