Heavy Duty Diesel & Fleet Mechanic

About the role

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.

Responsibilities

• Perform comprehensive mechanical repairs and preventive maintenance on heavy-duty diesel trucks (Class 6–8), light-duty fleet vehicles, and support equipment
• Inspect, troubleshoot, service, and repair propane delivery systems, cargo fuel tanks, pumping systems, valves, meters, hoses, and PTO (Power Take-Off) drives
• Use advanced diagnostic software to identify issues with diesel engines, transmissions, air brakes, hydraulics, multiplex electrical systems, and DPF/SCR emissions systems
• Perform routine safety inspections, including annual DOT inspections
• Ensure all tank and fuel delivery repairs comply with federal safety regulations and industry standards
• Accurately complete service paperwork and digital work orders in a timely manner
• Maintain a safe, clean, and organized shop workspace
• Occasionally perform road service or emergency field repairs on downed fleet equipment as needed

Qualifications

• 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
• Valid driver’s license with a clean driving record required
• CDL (Class A or B) with Tanker and Hazmat endorsements preferred
• Strong working knowledge of air brake systems, hydraulic circuits, fuel pumping machinery, 12V/24V electrical diagnostics, and diesel engine overhaul
• DOT Inspector Certification preferred
• Demonstrated practical experience and OEM/factory training are valued
• 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 lbs 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