Senior Traffic Engineer

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: 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 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 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.) Washington, DC: $143,388 - $204,840. Baltimore, MD: $125,465 - $179,235. Fulton, MD: $131,439 - $187,770. Glen Allen, VA: $119,490 - $170,700. Vienna, VA: $143,388 - $204,840. Virginia Beach, VA: $119,490 - $170,700. Primary Location: United States-Virginia-Vienna 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 Affir… ( We consider all qualified applicants, regardless of criminal histories, arrest and conviction records. #J-18808-Ljbffr HDR