Traffic Supervisor - St. Louis District

Posting closes 12/10/2025

Note for internal applicants: Successful candidates already at rates above the posted salary will be evaluated on an individual basis to determine final salary outcome.

Job Location: Traffic, Signal, Lighting, and Locates Barrett Station - 2309 Barrett Station Road, Ballwin, MO 63021

Why you’ll love this position:

The traffic supervisor is responsible for long-term planning, budget preparation, and the operational oversight of the signing, striping, and/or signal and lighting activities performed within the district. Responsibilities are performed under general supervision.

What you’ll do:

• Directs, schedules, and assigns crews for marking, signing, striping, and/or signal and lighting operations.
• Checks and reviews work progress of crews; ensures compliance with safety standards.
• Surveys roads, bridges, and right of way to determine marking, signing, striping, and signal and lighting needs.
• Performs field inspections and testing to evaluate signs and roadway marking for quality and reflectivity and/or performance of traffic signal operations.
• Determines structural signing placement and repair; prepares roadway and thermoplastic tape markings; marks roads for placement of no passing zones.

All you need for success:

Minimum Qualifications

• High School Diploma or GED/HiSET, plus completion of a formal post-secondary technical training program in electronics (of at least 30 credit hours or one school year in duration).
• May require International Municipal Signal Association Level II Certification Traffic Signals.
• Valid driver's license.
• Six years of experience in signing, striping, and/or signal operations.

Special Working Conditions:

• Job requires exposure to physical hazards, health and safety risks, and/or adverse or otherwise undesirable characteristics in the environment.
• Job may require operation of vehicles to plow snow and spread ice control materials.

Preferred Qualifications:

• None

More reasons to love this position:

MoDOT offers an excellent benefits package that includes a defined pension plan, generous amounts of leave and holiday time, and eligibility for health insurance coverage. Visit our CAREERS page to explore all we have to offer. Your total compensation is more than the dollars you receive in your paycheck. To help demonstrate the value of working for MoDOT, we have created an interactive Total Compensation Calculator. This tool provides a comprehensive view of benefits and more that are offered to prospective employees. The Total Compensation Calculator and other applicant resources can be found HERE .

At MoDOT you will play a key role in maintaining the seventh largest highway system in the United States. We value team players who are open-minded and work well with others to accomplish goals and fulfill our mission of safety, service, and stability. We see the growth of our team members as an investment, both in MoDOT's future and yours. If you're looking for diverse opportunities, challenging work, and a flexible environment, we want to talk to you about joining our winning team. MoDOT operates on shared values and your success in our organization depends upon modeling these values. CLICK HERE to view our mission, values, and tangible results. If you embrace these values, we welcome your application.

If you have questions about this position please contact: Kristina.hodges@modot.mo.gov

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• State of Missouri

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