Traffic Engineer

Current job opportunities are posted here as they become available.

Job:
Traffic Engineer

Location:

Chesterfield, MO

At GBA, we’re more than engineers—we’re problem-solvers, collaborators, and community builders. Our people are passionate about delivering innovative, high-quality solutions that improve the places we live, work, and play. We combine deep technical expertise with a commitment to mentorship, safety, and continuous improvement to create remarkable outcomes for our clients and meaningful growth for our team.

We’re looking for a Traffic Engineer to join our Transportation Group in Chesterfield, MO. This role is essential to leading traffic engineering projects, mentoring junior staff, and supporting regional growth through technical excellence and client engagement.

As a Traffic Engineer, you’ll:

• Serve as Project Manager or Lead Designer for DOT, municipal, and private traffic engineering projects.
• Lead the design and analysis of traffic impact studies, corridor studies, signal timing plans, traffic control, and signal systems.
• Supervise and mentor EITs, PEs, and CADD Technicians on traffic-related projects.
• Coordinate with traffic engineers across GBA’s Transportation offices to ensure consistency and quality.
• Support business development efforts by marketing traffic engineering services and cross‑selling across disciplines.
• Provide QA/QC oversight and ensure projects are delivered on time and within budget.
• Train and coach staff in traffic engineering principles, software tools, and project delivery.
• Engage with clients to understand needs, present solutions, and build long‑term relationships.

• Bachelor’s degree in Civil Engineering.
• Professional Engineer (PE) license in Missouri, Kansas, or Illinois.
• 8+ years of experience in traffic engineering design, analysis, and project management.
• Proficiency in Micro Station, AutoCAD, SignCAD, Synchro, VISSIM, and other traffic software.
• Strong technical knowledge of traffic engineering principles and practices.
• Excellent communication and leadership skills.
• PTOE certification or ability to obtain within 2 years.

• Ability to work in both office and field environments.
• Occasional travel may be required for client meetings or site visits.

At GBA, you’ll be part of a team that values integrity, innovation, and collaboration. We offer a comprehensive benefits package designed to support you and your family, including:

• Medical, dental, and vision insurance
• Life, accident, and disability coverage
• 401(k) with company match
• Employee Assistance Program (EAP) and wellness initiatives
• Paid company holidays, floating holidays, and flexible time off
• Opportunities for training, professional growth, and advancement

If you’re a passionate traffic engineer who thrives on solving complex challenges and mentoring others, we’d love to hear from you.
Apply today and build your future with GBA.

GBA is an Equal Employment Opportunity Employer. We promote diversity in our workforce by including all individuals regardless of age, race, religion, color, sex, national origin, marital status, genetic information, sexual orientation, gender identity, gender expression, disability, veteran status, pregnancy status, or any other status protected by law.