Heavy Auto Mechanic

CJ Hughes Construction Heavy Auto Mechanic Job Description/Position Summary

C.J. Hughes Construction Co., Inc. is seeking a skilled and experienced Heavy Truck & Trailer Mechanic to inspect, diagnose, repair, and maintain our fleet of heavy-duty trucks, trailers, and support equipment. This position plays a critical role in ensuring company vehicles remain safe, operational, and compliant with all local, state, and federal regulations.

The ideal candidate will have experience working on diesel and gas-powered equipment including dump trucks, road tractors, lowboy/low drag trailers, box trailers, and various heavy hauling equipment. This role requires hands‑on mechanical work in both shop and field environments, including exposure to varying weather conditions and occasional roadside repairs. Candidates must provide their own tools.

• Perform inspections, diagnostics, maintenance, and repairs on heavy-duty trucks, trailers, and fleet equipment
• Diagnose and repair diesel and gas-powered engines, transmissions, drive trains, suspension systems, electrical systems, hydraulic systems, brake systems, and air systems
• Service and maintain dump trucks, road tractors, lowboy/low drag trailers, box trailers, and related hauling equipment
• Complete preventative maintenance services based on company schedules and driver vehicle inspection reports (DVIRs)
• Troubleshoot mechanical and electrical issues using diagnostic equipment, schematics, and repair manuals
• Perform routine maintenance including oil changes, lubrication, filter replacements, tire inspections, and fluid checks
• Repair or replace worn and damaged components including brakes, air lines, lights, wiring, suspension parts, and hydraulic components
• Respond to and perform roadside service and emergency repairs as needed
• Maintain accurate records of repairs, parts usage, labor hours, and preventative maintenance activities
• Conduct DOT inspections and ensure all vehicles and trailers remain compliant with DOT standards and company safety requirements
• Assist with maintaining inventory of shop supplies and repair parts
• Maintain cleanliness, organization, and safety within the shop and work areas
• Follow all company safety policies, procedures, and PPE requirements

• Minimum of 3 years of experience working on heavy-duty trucks, trailers, diesel engines, and fleet equipment preferred
• Experience working on dump trucks, road tractors, trailers, lowboys/low drags, and heavy hauling equipment preferred
• Experience with both diesel and gas-powered vehicles and equipment required
• Valid driver’s license required (CDL preferred)
• DOT medical card preferred or ability to obtain prior to hire
• Welding and fabrication experience preferred
• High school diploma or equivalent preferred
• Must provide own tools

• Strong mechanical aptitude and troubleshooting abilities
• Knowledge of diesel and gas engine systems and components
• Experience with hydraulic, electrical, brake, suspension, and air systems
• Ability to read and interpret repair manuals, schematics, and diagnostic software
• Familiarity with DOT regulations and inspection requirements
• Ability to safely operate trucks and equipment for testing purposes
• Strong communication and teamwork skills
• Basic computer knowledge for repair documentation and maintenance tracking
• Ability to prioritize tasks and work independently in a fast‑paced environment
• Reliable, dependable, and strong work ethic

• Valid Drivers License and Reliable Transportation
• Must provide documentation to verify identity and employment eligibility in accordance with federal I‑9 requirements
• Ability to pass drug test and background check
• Willingness to travel and work in different areas as needed
• Commitment to following all Safety Policies and Procedures
• Ability to work outdoors in all weather conditions and perform physical labor
• Ability to work overtime and extended hours based on workload
• Must be 18 years of age

• Ability to lift 50+ pounds regularly
• Frequent standing, bending, kneeling, climbing, and working in tight spaces
• Ability to work underneath vehicles and trailers safely
• Ability…