Maintenance Supervisor

• Diesel repair
• Commercial truck and diesel maintenance

Maintenance Supervisor
- Truck Garage

Location: Middletown, Ohio

Job Type: Full Time

Work Environment: On Site
- Truck Garage

Schedule: Full Time | Additional Hours as Operationally Required

We are seeking an experienced, hands-on Maintenance Supervisor to lead the daily operations of a busy truck maintenance garage in Middletown, Ohio.

The Maintenance Supervisor will oversee the maintenance team and coordinate the safe, timely, and efficient maintenance and repair of commercial trucks, trailers, roll-off trucks, and related equipment
.

This is a working leadership position for an experienced mechanic or maintenance professional who can lead technicians while remaining hands-on with diagnostics, troubleshooting, preventive maintenance, and mechanical repairs.

The successful candidate will be responsible for maintaining fleet readiness, minimizing equipment downtime, ensuring accurate maintenance records, and promoting a strong culture of safety, accountability, and quality workmanship.

• Lead, supervise, and provide daily direction to garage maintenance personnel.
• Assign, prioritize, and monitor maintenance and repair work.
• Coordinate daily workflow based on fleet requirements and operational priorities.
• Monitor work quality, productivity, and completion of assigned repairs.
• Provide technical guidance, training, and support to maintenance team members.
• Promote accountability, teamwork, productivity, and quality workmanship.
• Establish maintenance priorities to maximize fleet availability and minimize downtime.

• Oversee preventive maintenance, inspections, diagnostics, and repairs for commercial trucks, trailers, and related equipment.
• Perform hands-on maintenance and repairs as needed.
• Diagnose and troubleshoot diesel engines, mechanical systems, hydraulic systems, air systems, brakes, and other truck components.
• Oversee brake repair, tire-related maintenance, engine troubleshooting, and general truck repairs.
• Support the maintenance and repair of roll-off trucks and other heavy-duty fleet equipment.
• Monitor vehicle and equipment condition and identify potential mechanical or safety concerns.
• Respond to urgent equipment breakdowns and prioritize repairs based on safety and operational needs.

• Diagnose mechanical, hydraulic, pneumatic, diesel, and basic electrical problems.
• Troubleshoot equipment failures and determine appropriate repair solutions.
• Read and interpret service manuals, schematics, diagrams, and technical documentation.
• Provide technical assistance to maintenance technicians during complex repairs.
• Identify recurring mechanical issues and recommend corrective actions.

• Manage and monitor preventive maintenance schedules.
• Ensure vehicles and equipment receive required inspections and servicing.
• Track equipment condition and maintenance requirements.
• Prioritize repairs based on safety, operational requirements, equipment condition, and fleet availability.
• Help reduce recurring breakdowns and improve overall fleet reliability.

• Ensure service tickets, work orders, inspection records, and maintenance documentation are accurate and completed on time.
• Maintain organized records of preventive maintenance and repairs.
• Track maintenance history and recurring equipment issues.
• Utilize a CMMS or computerized maintenance tracking system when applicable.
• Communicate major repairs, equipment downtime, and maintenance priorities to management.

• Coordinate parts, materials, tools, and supplies required for maintenance and repairs.
• Monitor maintenance and parts inventory.
• Identify and source replacement components as needed.
• Coordinate with outside vendors, suppliers, and repair providers.
• Help determine whether specialized repairs should be completed internally or outsourced.

• Promote a strong safety culture throughout the garage.
• Ensure employees follow company safety policies and procedures.
• Maintain compliance with applicable DOT, OSHA, and federal, state, and local regulations.
• Ensure proper use of tools, equipment, and personal protective equipment.
• Maintain a clean, organized, and safe garage environment.
• Identify and address unsafe equipment or working conditions.

• Communicate equipment status, major repairs, maintenance priorities, and operational…