Diesel Truck Mechanic

• Perform preventive maintenance inspections and routine repairs on trucks, trailers, and fleet equipment to ensure safe, reliable, and DOT-compliant operation.
• Diagnose, repair, and maintain brake, air, suspension, steering, wheel-end, and related mechanical systems.
• Troubleshoot and repair electrical and lighting systems, including wiring, batteries, connectors, sensors, and exterior vehicle components.
• Inspect, service, and repair hydraulic systems, fuel and DEF systems, exhaust components, and other frame-mounted equipment.
• Maintain and repair truck bodies, trailers, liftgates, hoists, ramps, and other specialized fleet equipment.
• Perform basic welding, fabrication, and mechanical repairs to support equipment maintenance and operational needs.
• Identify safety concerns, equipment deficiencies, and maintenance requirements; recommend and complete corrective actions.
• Prepare vehicles and equipment for DOT inspections and address inspection findings in a timely manner.
• Accurately document inspections, repairs, parts usage, labor, and maintenance activities using company systems and repair order processes.
• Coordinate with vendors and external service providers for specialized, warranty, or major repair work as needed.
• Communicate repair status, downtime estimates, parts requirements, and equipment concerns with supervisors and operational teams.
• Maintain a clean, organized, and safe work environment while operating shop tools, diagnostic equipment, and maintenance machinery in accordance with safety standards.

• 2–5 years of experience maintaining and repairing commercial trucks, trailers, diesel, heavy-duty, agricultural, or similar fleet equipment preferred.
• Knowledge of commercial vehicle systems, including air brakes, suspension, hydraulics, electrical/lighting systems, trailers, and DOT maintenance requirements.
• Ability to diagnose and troubleshoot mechanical, electrical, hydraulic, and pneumatic issues using diagnostic equipment, technical documentation, and hands-on problem-solving skills.
• Experience performing preventive maintenance, safety inspections, and repairs to ensure equipment reliability and regulatory compliance.
• Ability to read and interpret wiring diagrams, schematics, technical manuals, and repair documentation.
• Welding, fabrication, tire and wheel-end service, and DOT inspection experience preferred.
• Strong organizational, communication, and time-management skills with the ability to work independently and prioritize multiple repair needs.
• Demonstrated commitment to safety, quality workmanship, attention to detail, and maintaining reliable fleet operations.
• High school diploma or GED required; technical or diesel equipment training preferred.
• Valid driver's license and acceptable driving record required. DOT Inspector Certification and CDL are preferred but not required.

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