Senior Engineer - Traffic

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?

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.

• 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 the sole focus of the position as needed.
• Perform other duties as needed.

• MSCE.
• Diverse experience in related fields such as toll roads, roadway design, or construction is a plus.

• 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.
• Professional engineering license recognized by the licensing board for the location of the position offered (e.g., Professional Engineer (PE or P.Eng)).
• 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.

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.

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 help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute.

We provide a comprehensive benefits package that promotes employee ownership, 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: $134,000 – $191,000.

Primary

Location:

United States-California-Irvine. Other Locations:
United States-California-Los Angeles, United States-California-Long Beach. Industry: Highway + Road.

Schedule:

Full-time. Employee Status:
Regular. Business Class:
Traffic Engineering. Job Posting:
Jul 11, 2025.