Senior Traffic Engineer - Transportation Market

About Us

At Gresham Smith, we call it Genuine Ingenuity. Our culture is the cornerstone of who we are, and our people are at the heart of everything we do. United by our Core Purpose—to plan, design, and consult to create healthy and thriving communities—we deliver innovative solutions for life’s essential infrastructure and institutions.

What sets us apart is our dedication to care for our people, our clients, and the places we call home. We are more than a team of professionals—we’re a community built on commitment, integrity, respect, and teamwork.

Why Gresham Smith?

When you join Gresham Smith, you’re joining a place where you can connect and thrive. Our employees consistently recognize us as a Best Place to Work because we go above and beyond to ensure that you feel valued, supported, and empowered.

About You

• A B.S. in Civil or Transportation Engineering


• At least 5 years of experience in traffic engineering and/or traffic planning projects, with DOT experience strongly desired


• Professional Engineer (P.E.) licensure, required


• Experience planning, scheduling, coordinating, and conducting transportation and traffic engineering work


• Strong knowledge of engineering principles, practices, and techniques applied in traffic and transportation projects


• Skilled in explaining, persuading, and negotiating critical project issues


• Ability to build and maintain excellent interpersonal relationships


• Proficiency in Synchro, Excel, and OpenRoads; knowledge of HCS, SIDRA, VISSIM, ArcGIS, CUBE, and TransCAD is desirable


• Strong understanding of and experience using HCM, MUTCD, AASHTO, and DOT’s Policies and Procedures, including DOT policy manuals or similar documents

Most importantly, you bring genuine curiosity, creativity, and a collaborative spirit—someone who wants to do great work with great people.

About the Role

As a Traffic Engineer, you will:

• Plan, schedule, conduct, or coordinate transportation engineering work, including traffic impact analyses, traffic forecasting studies, roundabout feasibility studies, parking studies, signal timing studies, access management studies, intersection safety analyses, operational studies, and corridor studies


• Prepare engineering reports, plans, and specifications for major projects


• Produce engineering drawings based on applicable traffic industry calculations; check, interpret, and revise engineering drawings


• Prepare and review project plans, technical specifications, contract documents, and cost estimates


• Prepare informational materials (e.g., project fact sheets, PowerPoint presentations) to communicate projects clearly to stakeholders and the public


• Supervise less experienced engineers and technical support personnel within a project team


• Coordinate projects with clients, contractors, outside consultants, and firm staff


• Communicate and interact effectively with project team members, client representatives, review agencies, and others as appropriate


• Prepare project scope, schedules, and budgets; assist in overall project management

Your work will directly contribute to shaping environments where people live, work, and thrive, all while growing your career within a supportive, people-first culture.

Join Us

If you’re excited to bring your talents to a collaborative, people-first environment where you can make an impact while growing your career, we’d love to hear from you.

Here’s what you can expect:

Professional Growth: In-house Learning, Tuition Reimbursement, Licensure Support, Professional Organization Engagement.

Culture that Cares: 93% of employees say they feel cared for, and 96% are confident in our future success.

Competitive Benefits:

• Flexible Schedules & Generous PTO


• Healthcare (Medical, Dental, Vision, Wellness Programs)


• 401(k) with Company Match


• Short- & Long-term Disability, Paid Life & AD&D


• Supplemental, Critical Care, Pet, Legal & ID Theft Insurance


• Family Planning and Parental Leave


• Mass/Public Transit Program


• Telemedicine and Employee Assistance Program

Gresham Smith is an equal opportunity employer and does not discriminate. Everyone is invited to apply!

GRESHAM SMITH does not accept unsolicited resumes from recruiters, headhunters, search firms, or agencies. No referral or recruiter fees will be paid without a fully executed GRESHAM PLACEMENT SERVICES AGREEMENT (PSA) in advance. Submissions made without a PSA may be recruited and hired by GRESHAM SMITH with no financial obligation to the submitting party. Any such unsolicited resumes or candidate information sent to hiring managers or any employee becomes the property of GRESHAM SMITH.