Assistant Maintenance Supervisor - Signals and Lighting

State-of-Missour; Ballwin (MO); On-site; USD 60,000 - 90,000; Full time

Job summary

MoDOT is seeking an Assistant Maintenance Supervisor to lead crews maintaining state highway facilities in Ballwin, MO. Responsibilities include directing maintenance operations and ensuring safety procedures are followed.

The role requires strong hands-on leadership and experience with road and bridge maintenance tasks. Successful applicants will have a Class A CDL with tanker endorsement and pass a work simulation plus medical-physical exam.

Qualifications

• High School Diploma or GED/HiSET required.
• Valid Class A CDL with tanker endorsement and interstate status (EI or NI).
• Six years of roadway/bridge/sign maintenance experience.
• Successful completion of a work simulation and a medical-physical examination.

Responsibilities

• Supervise crews in maintenance operations (mowing, patching, shoulder work, striping, snow removal, etc.).
• Assign tasks, schedule activities, and allocate equipment.
• Provide safety and equipment operation training to employees.
• Evaluate employee performance and assist with personnel actions as needed.
• Oversee cleaning and routine maintenance of vehicles, equipment, buildings, and grounds.

Skills

Crew supervision

Safety training

Employee evaluation

Leadership

Education

High School Diploma or GED/HiSET

Job description

Posting closes 08/28/2026

• Applicants will be given 90 days in which to obtain a valid Class A Commercial Driver's License.

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: Signal, Lighting, and Locates Facility - 2309 Barrett Station Road, Ballwin, MO 63021

Why you’ll love this position:

The assistant maintenance supervisor performs and supervises the activities of crews working on the maintenance of right of way, facilities and the state highway system. Responsibilities are performed under moderate supervision.

What you’ll do:

• Supervises crews in the performance of maintenance operations such as mowing, blade patching, shoulder improvements, leveling course, spot sealing, cleaning ditches, roadside maintenance, mud-jacking, concrete replacement, bridge deck repair, building maintenance and repair, snow removal, sign maintenance, and striping operations.
• Assigns tasks and equipment for daily activities; coordinates, schedules and assigns maintenance operations.
• Provides training to employees on safety, equipment operations and maintenance procedures.
• Evaluates employee performance and may make recommendations on employment, promotion, transfer, disciplinary action and discharge.
• Oversees the cleaning and routine maintenance of vehicles, equipment, buildings and grounds.

Minimum Qualifications

• High School Diploma or GED/HiSET
• Valid Class A Commercial Driver's License with tanker endorsement, no air brake restriction, and interstate status (either Excepted Interstate [EI] or Non-Excepted Interstate [NI]).
• Six years of progressively responsible experience performing roadway, roadside, bridge, sign maintenance or pavement marking responsibilities.
• Successful completion of a work simulation examination and a medical-physical examination.

Special Working Conditions:

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

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 ourCAREERS 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 HERETO view our mission, values, and tangible results. If you embrace this values, we welcome your application.

If you have questions about this position please contact: [e-mail]