Heavy Truck & Trailer Mechanic

Job Summary We are seeking an experienced Heavy Truck & Trailer Mechanic to inspect, diagnose, repair, and maintain heavy-duty trucks and trailers at our Petersburg location. This role keeps our fleet safe, DOT-compliant, and road-ready. The ideal candidate is dependable, detail-oriented, and skilled in diesel systems, trailer repairs, and preventive maintenance. Key Responsibilities Perform preventive maintenance (PM) services on heavy-duty trucks and trailers Diagnose and repair diesel engines, drivetrains, and mechanical systems Repair and maintain truck systems, including: air brake systems; suspension and steering components; electrical and lighting systems; cooling systems; fuel systems Perform trailer repairs, including: air lines and air leaks; landing gear; doors, hinges, and structural components; tires, wheels, hubs, and bearings; DOT lighting and wiring Conduct DOT inspections and ensure compliance with safety standards Use diagnostic software and tools for troubleshooting Complete work orders and keep accurate maintenance records Test equipment after repairs to confirm safe operation Keep the work area clean, safe, and organized, and follow all shop safety policies Required Qualifications 2+ years of experience working on heavy trucks and trailers (diesel/fleet environment preferred) Strong knowledge of diesel engines and truck systems, trailer mechanical and air systems, and electrical troubleshooting Ability to read and interpret service manuals and wiring/repair diagrams Ability to work independently and meet deadlines Valid driver's license Preferred Qualifications CDL (Class A or B) ASE certifications (T-Series preferred) Experience with air brake systems, ABS diagnostics, and DOT compliance Welding/fabrication experience Experience with fleet maintenance software Physical Requirements Ability to lift up to 75 lbs Ability to stand, bend, kneel, climb, and work under and around equipment Comfortable working in a shop and in an outdoor yard environment Schedule Full-time, with overtime available depending on workload Possible weekends and on-call shifts based on fleet needs Compensation & Benefits $25–$30 per hour, depending on qualifications Overtime available 401(k) Paid time off (PTO) Paid holidays Uniforms provided Training and certification support Career growth opportunities United Freight Service is an equal opportunity employer. Pay: $25.00 - $30.00 per hour Benefits: 401(k) Paid time off Work Location: In person

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