Heavy Duty Diesel & Fleet Mechanic

Position Overview As a Heavy-Duty Diesel & Fleet Equipment Technician, you are responsible for the inspection, diagnosis, repair, and preventive maintenance of our commercial fleet. While the core focus is Class 6-8 heavy-duty diesel trucks, this role also services light-duty support vehicles, mobile equipment, and specialized propane/fuel delivery systems. Your work ensures our fleet operates safely, efficiently, and in full compliance with DOT and FMCSA regulations. Key Responsibilities Heavy & Light-Duty Maintenance: Perform comprehensive mechanical repairs and preventive maintenance on heavy-duty diesel trucks (Class 6-8), light-duty fleet vehicles, and support equipment. Propane & Fuel Systems: Inspect, troubleshoot, service, and repair propane delivery systems, cargo fuel tanks, pumping systems, valves, meters, hoses, and PTO (Power Take-Off) drives. Diagnostics & Troubleshooting: Use advanced diagnostic software to identify issues with diesel engines, transmissions, air brakes, hydraulics, multiplex electrical systems, and DPF/SCR emissions systems. Safety & Regulatory Compliance: Perform routine safety inspections, including annual DOT inspections. Ensure all tank and fuel delivery repairs comply with federal safety regulations and industry standards. Shop & Fleet Operations: Accurately complete service paperwork and digital work orders in a timely manner. Maintain a safe, clean, and organized shop workspace. Emergency & Field Service: Occasionally perform road service or emergency field repairs on downed fleet equipment as needed. Qualifications Experience: Minimum 3-5 years of hands-on experience as a heavy-duty diesel mechanic. Experience working on propane tanks, liquid fuel delivery systems, or hazardous material transport equipment is preferred. Licensing: Valid driver's license with a clean driving record required. CDL (Class A or B) with Tanker and Hazmat endorsements preferred. Technical Knowledge: Strong working knowledge of air brake systems, hydraulic circuits, fuel pumping machinery, 12V/24V electrical diagnostics, and diesel engine overhaul. Certifications: DOT Inspector Certification preferred. (ASE certifications are not required; demonstrated practical experience and OEM/factory training are valued). Tools: Must possess a complete personal set of professional hand and pneumatic/power tools up to at least 1-1/4" (shop provides specialized heavy tools and diagnostic equipment). Physical Requirements & Working Conditions Ability to lift, push, or pull up to 75 Ibs regularly. Comfortable working under vehicles, in tight compartments, at elevated heights, and outdoors in various weather conditions. Frequent bending, kneeling, reaching, climbing, and standing for long periods. Benefits: 401(k) Dental insurance Disability insurance Health insurance Health savings account Life insurance Paid orientation Paid sick time Paid time off Paid training Profit sharing Retirement plan Safety equipment provided Uniform allowance Vision insurance