Assistant Maintenance Supervisor - Bellefontaine

State of Missouri; St. Louis (MO); On-site; USD 60,000 - 75,000; Full time

Job summary

State of Missouri is seeking an Assistant Maintenance Supervisor for the Bellefontaine Maintenance Facility in St. Louis, MO. You will supervise crews performing right-of-way and highway system maintenance under moderate supervision.

The role requires a CDL Class A with tanker endorsement, six years of related experience, and completion of required medical and work-simulation exams. Strong leadership and safety focus are essential.

Qualifications

• High School Diploma or GED/HiSET required.
• Valid Class A CDL with tanker endorsement, no air brake restriction, and interstate status.
• Six years of progressively responsible experience in roadway/maintenance.
• Successful completion of a work simulation examination and a medical-physical examination.

Responsibilities

• Supervises crews in maintenance operations including mowing, shoulder work, patching, and bridge deck repair.
• Assigns tasks, coordinates schedules, and allocates equipment.
• Provides safety training and equipment operation instruction.
• Evaluates employee performance and handles promotions, transfers, discipline.
• Oversees cleaning and routine maintenance of vehicles, equipment, buildings and grounds.

Skills

Six years experience

Supervisory experience

Safety training

Education

High School Diploma or GED

CDL Class A with tanker endorsement

Medical-physical examination completed

Work simulation examination completed

Job description

Posting closes 10/13/2026

A waiver of qualifications will be given to candidates with internal and external experience based on knowledge, skills, and abilities.

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: Bellefontaine Maintenance Facility - 10601 Lewis & Clark Boulevard, St. Louis, MO 63137

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 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: [e-mail]