Maintenance Supervisor

W3Global; MIDDLETOWN (OH); On-site; USD 70,000 - 95,000; Full time

Job summary

W3Global is seeking an experienced Maintenance Supervisor to lead the daily operations of a busy truck maintenance garage in Middletown, Ohio.

The role requires hands-on mechanics leadership, overseeing maintenance of commercial trucks, trailers, roll-off trucks, and related equipment, while ensuring safety, record-keeping, and fleet readiness.

Qualifications

• High school diploma or GED preferred.
• Strong truck, diesel, automotive, or fleet maintenance experience required.
• Hands-on diagnostic and troubleshooting experience required.
• Brake repair experience required.
• Previous supervisory or team-lead experience preferred.
• Familiarity with DOT safety and maintenance regulations.

Responsibilities

• Lead, supervise, and direct garage maintenance personnel on a daily basis.
• Assign, prioritize, and monitor maintenance and repair work for fleets.
• Coordinate workflow based on fleet requirements and safety priorities.
• Provide technical guidance and training to technicians; ensure quality workmanship.
• Maintain fleet readiness and minimize downtime through preventive maintenance.
• Maintain accurate maintenance records and use CMMS systems where applicable.
• Coordinate with drivers, operations, and outside vendors for parts and services.

Skills

Truck maintenance

Diesel maintenance

Heavy equipment

Fleet maintenance

Supervisory experience

Diagnostics

Brake repair

Troubleshooting

Education

High school diploma

Job description

• 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

Position Summary

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.

Key Responsibilities

Team Leadership & Garage Operations

• 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.

Truck & Fleet Maintenance

• 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.

Diagnostics & Troubleshooting

• 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.

Preventive Maintenance & Fleet Readiness

• 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.

Documentation & Maintenance Records

• 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.

Parts, Inventory & Vendors

• 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.

Safety & Compliance

• 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.

Communication & Coordination

• Communicate equipment status, major repairs, maintenance priorities, and operational concerns to management.
• Work closely with drivers and operations personnel to understand equipment issues.
• Coordinate maintenance activities with other departments and outside service providers.
• Maintain effective communication with technicians, drivers, vendors, and management.

Required Qualifications

• High school diploma, GED, or equivalent preferred.
• Strong truck, diesel, automotive, heavy equipment, or fleet maintenance experience required.
• Hands-on truck diagnostic and troubleshooting experience required.
• Brake repair experience required.
• Previous supervisory, lead technician, shop foreman, or team leadership experience preferred.
• Strong knowledge of commercial truck and fleet maintenance.
• Strong mechanical, diagnostic, and problem-solving skills.
• Ability to read and understand service manuals, maintenance documentation, schematics, and safety procedures.
• Familiarity with DOT requirements related to commercial motor vehicles, fleet maintenance, inspections, and safety compliance.
• Strong organizational and communication skills.
• Ability to manage multiple maintenance priorities in a fast-paced environment.
• Ability to safely use standard mechanical tools and garage equipment.
• Ability to work independently while effectively leading a maintenance team.
• Ability to safely lift up to 50 pounds.
• Good hand/eye coordination and mechanical aptitude.

Preferred Experience

Experience in one or more of the following environments is highly desirable:

• Commercial truck fleet maintenance
• Diesel repair
• Heavy equipment maintenance
• Recycling
• Scrap metal
• Waste management
• Construction
• Transportation
• Industrial equipment maintenance
• Fleet service/repair facilities

Experience With Roll-off Trucks Is Strongly Preferred

Experience with hydraulic systems, material-handling equipment, or other heavy industrial equipment is a plus.

Preferred Certifications

• ASE certifications
• EPA Universal Certification
• Diesel technician certifications
• Heavy equipment certifications
• Fleet maintenance certifications
• Hydraulic systems training/certification
• Other relevant mechanical or safety certifications

Ideal Candidate Profile

The ideal candidate is a hands-on maintenance leader who can supervise a team while also stepping into the garage to diagnose and resolve mechanical problems.

Strong Candidates Will Be Comfortable With

• Commercial truck and diesel maintenance
• Heavy-duty vehicle diagnostics
• Brake systems and repairs
• Preventive maintenance
• Hydraulic and mechanical troubleshooting
• Roll-off truck maintenance
• Technician supervision and coaching
• Parts and vendor coordination
• Fleet maintenance documentation
• DOT and workplace safety requirements

Potentially Strong Backgrounds Include

Fleet Maintenance Supervisor | Maintenance Supervisor | Shop Foreman | Fleet Maintenance Manager | Lead Diesel Technician | Lead Mechanic | Diesel Shop Supervisor | Heavy Equipment Shop Foreman

Physical & Work Environment

This position is performed primarily in an active truck maintenance garage.

The Role Requires The Ability To

• Stand and walk for extended periods.
• Bend, crouch, kneel, reach, and climb as necessary.
• Work around trucks, trailers, tools, machinery, and mechanical equipment.
• Perform hands-on mechanical work.
• Lift up to 50 pounds.
• Work safely in varying garage and environmental conditions.
• Work additional hours, nights, weekends, or overtime when operational needs require.

Equal Employment Opportunity

The employer is an equal opportunity employer committed to maintaining a professional, safe, and respectful workplace. Qualified applicants will receive consideration for employment without regard to legally protected characteristics.

Reasonable accommodations are available to qualified individuals with disabilities unless doing so would create an undue hardship.

This is a drug-free workplace, and pre-employment testing may be required.