Traffic Signal and Lighting Technician Series - St. Louis District

State of Missouri; Ballwin (MO); On-site; USD 42,000 - 62,000; Full time

Job summary

The State of Missouri, via MoDOT, is seeking a Traffic Signal and Lighting Technician in Ballwin, MO to support installation, maintenance and repair of traffic signals, roadway lighting, and related electronics under supervision.

MoDOT offers a CAREER-LADDER path with advancement opportunities based on skills and experience. Work emphasizes safety, teamwork, and hands-on problem solving in a dynamic field environment.

Qualifications

• High School Diploma or GED/HiSET required; post-secondary technical training in electrical/electronics or networking (≥30 credits or 1 year) preferred or completion of the department’s traffic signal and lighting apprenticeship program (internal applicants)
• One year of signal and lighting field experience.
• CDL written exam passed; tanker endorsement; Class B interstate status; ability to pass driving portion.

Responsibilities

• Assist on emergency calls related to signals, lighting, ITS, and related equipment and take appropriate action.
• Assist investigations of customer service reports on signal and lighting operations and report findings.
• Respond to routine utility locates requests from Missouri One Call.
• Assist in installation, repair, and maintenance of traffic signal equipment, radio comms, ITS, roadway, aviation and navigational lighting, and other devices.
• Assist in interpreting signal circuit plans and schematics for troubleshooting.

Education

High School Diploma or GED/HiSET

Post-secondary technical training in electrical/electronics or networking (≥30 credits or 1 year)

Completion of traffic signal and lighting apprenticeship (internal applicants)

One year of signal and lighting field experience

CDL written exam with tanker endorsement; Class B interstate

Job description

Posting closes 09/25/2026

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 and Lightin - 2309 Barrett Station Road, Ballwin, MO 63021

Why You’ll Love This Position

The traffic signal and lighting technician performs duties related to the installation, maintenance and repair of traffic signals, roadway lighting, communications equipment, and other electronic devices. Responsibilities are performed under direct supervision.

Posting closes 09/25/2026

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 and Lightin - 2309 Barrett Station Road, Ballwin, MO 63021

Why You’ll Love This Position

The traffic signal and lighting technician performs duties related to the installation, maintenance and repair of traffic signals, roadway lighting, communications equipment, and other electronic devices. Responsibilities are performed under direct supervision.

MoDOT will bring candidates onto the team as entry-level, intermediate, or senior level, based on your skills and experience. This opening is for one of our CAREER-LADDER positions which offers the opportunity for career advancement without having to participate in the competitive selection interview process. As you continue to learn, acquire new skills, and gain experience, you can be promoted to a higher-level position.

What You’ll Do

• Assists on emergency calls, such as malfunctioning equipment and traffic crashes involving equipment for signals, lighting, Intelligent Transportation System (ITS), aviation and navigational lighting, and communication systems, and takes appropriate action.
• Assists in the investigation of customer service reports with regard to signal and lighting operations and other electronic/electrical traffic control devices and report of findings.
• Responds to routine utility locates requests from Missouri One Call.
• Assists in the installation, repair, and maintenance of traffic signal equipment, radio communication equipment, ITS, roadway, aviation and navigational lighting, and other electronic/electrical traffic control devices.
• Assists in the interpretation of signal circuit plans and schematics for trouble shooting problems with electronic/electrical components.

Minimum Qualifications

All you need for success:

• High School Diploma or GED/HiSET, AND completion of a formal post‑secondary technical training program in one or more of the following: electrical, electronics, or networking (of at least 30 credit hours or one school year in duration), or completion of both phases of the department’s traffic signal and lighting apprenticeship program which is only available to internal employees, OR
• One year of signal and lighting field experience.
• A passing grade on the written portion of the commercial driver’s license (CDL) exam is required prior to hire date. Must pass the driving portion of the CDL exam with tanker endorsement, no air brake restrictions (Class B), and interstate status (either Excepted Interstate [EI] or Non‑Excepted Interstate [NI]) within 60 days after being hired into this position.
• Successful completion of a work simulation examination and a medical‑physical examination.

Special Working Conditions

• Job requires heavy physical exertion and effort, including the ability to move materials by hand, operate hand tools, and perform stationary flagging.
• Job requires exposure to physical hazards, health and safety risks, and/or adverse or otherwise undesirable characteristics in the environment.
• Job requires exposure to working at heights requiring the use of fall protection and aerial boom equipment.
• 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 on 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: [e-mail]