Heavy-Duty Diesel Mechanic – Truck Fleet

Heavy-Duty Diesel & Equipment MechanicSun King Trucking, LLC | Charlotte, NC | On-site $32 per hour | Full-time | 40-hour work week. Hours beyond the regular schedule require prior management approval. Sun King Trucking is hiring experienced mechanics to diagnose, repair, and maintain trucks, trailers, heavy equipment, and gas and diesel fleet vehicles for Sun King Trucking and its affiliated companies. You might spend the morning tracking down a DEF derate on a Mack Granite, then repair a dump-truck tarp, diagnose weak hydraulics on a loader, or trace an intermittent no-start on a company pickup. We’re building an in-house shop that can handle that range of work, and we need a mechanic who can take a repair from the first complaint through final verification. What you’ll work on Dump trucks and tractors, including Mack, Kenworth, and Peterbilt, International Dump trailers, flatbeds, and other fleet trailers. Heavy equipment such as excavators, backhoes, loaders, and skid steers. Company pickups, vans, and other gas and diesel fleet vehicles. What you must be able to do Computer diagnostics and electrical. Connect to vehicle and equipment computers, interpret fault codes and live data, run component tests, and use wiring diagrams, multimeters, and manufacturer service information to pinpoint the failure. DEF and emissions systems. Diagnose and repair DEF, DPF, SCR, and EGR faults, including derates, sensor and wiring problems, and dosing or regeneration issues. Follow manufacturer procedures and verify the system operates correctly after repair. Diesel engines and rebuilds. Diagnose and repair engines from top end to bottom end, including fuel systems, injectors, turbos, cooling and lubrication systems, cylinder heads, valve trains, pistons, liners, bearings, and crankshafts. Use measurements and manufacturer specifications to determine what can be repaired, what must be replaced, and when an in-frame overhaul or complete rebuild is needed. Be able to carry out major rebuild work and verify the finished repair. Tarps, dump bodies, and hydraulics. Repair tarp motors, switches, wiring, arms, rollers, and mounting hardware. Diagnose and repair PTOs, pumps, valves, cylinders, hoses, and controls on dump bodies and construction equipment. Trucks, trailers, and company vehicles. Diagnose and repair air systems, brakes, steering, suspension, lift axles, wheel ends, drivetrains, and electrical systems within your qualifications. Perform preventive maintenance and troubleshoot mechanical and electrical faults on gas and diesel company vehicles. Repair follow-through. Prioritize safety-critical defects, communicate parts needs and repair timelines, and document what failed, what you repaired, and how you verified the fix before the unit returns to service. Qualifications Demonstrated hands-on diagnostic and repair experience across heavy-duty trucks, construction equipment, and company fleet vehicles. Ability to diagnose faults independently and explain the tests and measurements that led to your repair decision. Experience with Mack Premium Tech Tool, Cummins INSITE, or comparable diagnostic software. A valid CDL is preferred. ASE certifications and manufacturer training are valued. How to apply Apply through Indeed with your resume or a brief summary of your experience. Tell us which trucks and equipment you’ve worked on, which diagnostic software you use, and one difficult fault you personally diagnosed and repaired. If you’ve performed an in-frame overhaul or complete rebuild, tell us which engine it was and which stages of the job you handled yourself. Sun King Trucking, LLC is a veteran-owned hauling company. Women in diesel, fleet maintenance, and heavy equipment repair are encouraged to apply. We welcome all qualified applicants. sunkingtrucking.com Pay: $32.00 - $36.00 per hour Work Location: In person

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