Rolling-Stock Maintenance Supervisor in Salt Lake City

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Job DescriptionJob Description

About Us:

At Liberty Tire Recycling, we're building a sustainable future - one tire at a time. As North America's leading tire recycler, we offer a unique opportunity to make a real impact on the environment. Join our team of nearly 4,000 dedicated employees across 70+ sites and help us transform billions of pounds of waste tires into valuable resources. We're committed to innovation, a circular economy, and providing a rewarding workplace where you can grow and thrive.

Job Summary:
The Rolling-Stock Maintenance Supervisor is a working supervisor responsible for leading and working alongside the team, maintaining Liberty Tire Recycling’s fleet of semi-trucks, trailers, and other rolling-stock assets. This role oversees all maintenance and repair activities related to DOT-regulated vehicles and trailers, ensuring compliance, safety, and equipment uptime. The ideal candidate brings strong diagnostic skills, experience with diesel engines and trailer systems, and the ability to effectively lead a team in a fast-paced, fleet-based environment.

Key Responsibilities:

• Serve as a working supervisor by actively participating in daily maintenance and repair tasks alongside the team.
• Oversee all maintenance activities related to semi-trucks, trailers, yard trucks, and other fleet equipment.
• Diagnose and repair mechanical, electrical, brake, suspension, and HVAC systems on tractors and trailers.
• Oversee maintenance of forklifts, skid steers, and other equipment.
• Ensure compliance with DOT regulations, including scheduling and completing required inspections and documentation.
• Develop and oversee preventative maintenance schedules to reduce breakdowns and extend asset life.
• Supervise and train fleet mechanics, ensuring adherence to safety and maintenance best practices.
• Prioritize and manage repairs using a work order or fleet management system.
• Maintain accurate maintenance logs, inspection reports, and compliance documentation.
• Oversee parts inventory and coordinate external vendor and warranty repairs as needed.
• Support and drive continuous improvement in fleet reliability, safety, and maintenance processes.

Skills and Abilities:

• Strong knowledge of diesel engine repair, trailer systems, and DOT compliance requirements.
• Hands-on experience diagnosing and repairing commercial fleet equipment.
• Ability to read and interpret technical manuals, schematics, and diagnostic codes.
• Effective leadership and team-building skills.
• Strong organizational and time management abilities.
• Experience with fleet management or maintenance tracking systems.
• Comfortable working in a hands-on, outdoor and shop-based fleet environment.

Education and Experience:

• High school diploma or GED required; technical certification or diesel mechanic training .
• Minimum 5 years of maintenance management experience with commercial truck and trailer fleets.
• Experience in transportation, waste/recycling, or logistics industries .

EEO Statement:

Liberty Tire Recycling is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to , , , , , , , , protected veteran status, relationship or association with a protected veteran (spouses or other family members), genetic information, or any other characteristic protected by applicable law.

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