Job description template
Diesel Mechanic Job Description Template
A copy-ready diesel mechanic job description with responsibilities, qualifications, skills and pay guidance: customize it for your company in minutes.
Copy the template below, replace the bracketed fields and tailor duties to your workplace. For pay, national BLS data shows diesel mechanics earn a median of $61,770 ($29.70/hour); the middle 50% earn $50,540–$75,470.
Job title
Diesel Mechanic
Job summary
[Company name] is seeking a dependable diesel mechanic to join our team in [city, state]. In this role, you will perform preventive maintenance inspections and services, diagnose problems using diagnostic software and test equipment and support our team’s commitment to safety, quality and service.
Responsibilities
- Perform preventive maintenance inspections and services
- Diagnose problems using diagnostic software and test equipment
- Repair or rebuild engines, transmissions and drivetrains
- Inspect and repair air brakes, steering and suspension
- Service aftertreatment systems such as DPF, DEF and SCR
- Repair electrical systems and replace sensors and modules
- Document work on repair orders and inspection reports
- Follow company policies, safety procedures and applicable regulations
Required qualifications
- High school diploma or equivalent or equivalent training
- Working knowledge of diesel engine diagnostics and air brake systems
- Problem-solving and attention to detail
- [Add role-specific requirements, such as driver’s license or ability to pass a background check, if job-related]
Preferred qualifications
- ASE Medium-Heavy Truck (T-series)
- DOT annual inspector qualification
- Manufacturer certifications
- Experience with OEM diagnostic software and laptops
Skills
- Electrical and electronic troubleshooting
- Aftertreatment (DPF, DEF, SCR)
- Preventive maintenance inspections
- Hydraulics
- Time management
- Communication with drivers and service writers
Work environment and schedule
Diesel mechanics work in fleet shops, dealerships, independent repair shops and on the road as field service techs. Work can be dirty, loud and physically demanding, sometimes outdoors in roadside repairs. Usually full-time; many shops run evening and overnight shifts so trucks are ready by morning. Overtime is common.
Pay and benefits
$[min]–$[max] per [hour/year], depending on experience. [List benefits: health insurance, paid time off, retirement plan, training and certification support.]
Equal opportunity
[Company name] is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status or any other characteristic protected by law, and we provide reasonable accommodations upon request.
Tips for a diesel mechanic job posting that attracts applicants
- Use the title candidates search for. “Diesel Mechanic” is the clearest; alternates include Diesel Technician, Heavy-Duty Truck Mechanic, Fleet Mechanic.
- Show the pay range. Postings with pay get more qualified applicants, and a growing number of states and cities require pay ranges in job postings.
- Separate must-haves from nice-to-haves. Long requirement lists discourage qualified candidates, especially career changers.
- Describe a real day. Borrow from our day in the life of a diesel mechanic so applicants self-select accurately.
- Mention training. Highlighting structured onboarding: such as Diesel Mechanic training: widens your applicant pool.
Next steps
Screen and interview with our Diesel Mechanic hiring guide, then onboard with the 30-60-90 day plan.
