Senior Traffic Engineer — Shape Safer, Smarter Mobility

HDR, Inc.; Philadelphia (Philadelphia County); On-site; USD 75,000 - 95,000; Full time

Job summary

A leading engineering firm is looking for a qualified traffic engineer to join their team in Philadelphia. The ideal candidate will have a Bachelor's in Civil Engineering and at least 8 years of experience in traffic design and planning. Responsibilities include designing traffic systems, supporting project managers, and collaborating with junior staff. This position offers the chance to contribute significantly to transportation projects that impact communities positively.

Qualifications

• Bachelor’s degree in Civil Engineering is required.
• 8 years’ experience in traffic planning/design is a must.
• Detailed hands-on experience with traffic design software like MicroStation and AutoCAD.

Responsibilities

• Design traffic systems including signal and lighting plans.
• Perform detail checks and work closely with junior staff.
• Support Project Managers with fee proposals and project monitoring.

Skills

Traffic analysis

Traffic engineering/design

CAD platforms

Microsoft Office

Project management

Education

Bachelor’s degree in Civil Engineering

Tools

MicroStation

AutoCAD

HCS

Synchro

VISSIM

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'

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.

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.

HDR is in search of a dynamic, diverse, and talented traffic engineer to join our team. The primary duties include being an integral part of the area Traffic and Planning team as a technical resource on a variety of traffic design projects. Design assignments may include preparing signing, pavement marking, signal, lighting, temporary traffic control, and intelligent transportation system (ITS) plans for either stand-alone or multi-disciplinary projects. As a technical resource, you will perform detail checks and work closely with junior staff and technicians on plan development. In this role, you may also support Project Managers with the development of fee proposals, providing direction to internal project team, on-time submission delivery to clients, and financial monitoring of projects. Additional assignments may include supporting our regional offices on similar traffic design projects.

Preferred Qualifications

Bachelor’s degree in Civil Engineering

8 years’ experience related to traffic planning and design

Working knowledge of DOT standards, specifications, and plan preparation

Computer skills using Microsoft office, ProjectWise, HCS, Synchro, GuideSIGN, and ORD

Ability to prioritize and multi-task while working on several projects at once

Preference given to local candidates

#LI-EH1

Required Qualifications

• Experience with traffic analysis and traffic engineering/design

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

• Detailed hands on experience conducting traffic design using CAD platforms including MicroStation, Autocad and Guide Sign software
• Detailed hands on experience conducting operational analysis using a variety of analysis and modeling tools specific to support job duties, including HCS, Synchro, VISSIM, and Aimsun
• Detailed hands on experience conducting safety analysis using a variety of safety software tools including Highway Safety Software
• Proficiency with Microsoft Office, Excel, Word
• 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.

Primary Location

Primary Location

: United States-Pennsylvania-Plymouth Meeting

Other Locations

Other Locations

: United States-Pennsylvania-Philadelphia, United States-Pennsylvania-Mechanicsburg

Industry

: Highway + Road

Schedule

Schedule

: Full-time

Employee Status

Employee Status

: Regular

BusinessClass : Traffic Engineering

Job Posting

Job Posting

: Jan 16, 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.