Diesel Mechanic Jobs

Diesel Mechanic jobs are open across trucking, construction, agriculture, transit, and the military, from entry-level lube technicians to master technicians and fleet supervisors, with specializations in hydraulics, emissions systems, and preventive maintenance. Find a role that fits below and apply directly.

Find Diesel Mechanic Jobs

Overview

Open roles2,557+
Top stateTexas
Top employerRyder System
Top cityHouston, TX
Work type99% On-site
Top industryTransportation

Showing 5 of 2,557+ Diesel Mechanic jobs

Diesel Mechanic
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New 22h ago
Diesel Mechanic
Bacas Oilfield Services,LLC
Forgan, Oklahoma
Maintenance & Repair
Manufacturing Operations
Skilled Trades
On-Site

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Diesel Mechanic - Entry level
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Added 1d ago
Diesel Mechanic - Entry level
Lila Kate Trucking
Heflin, Alabama
Maintenance & Repair
Quality Control
Skilled Trades
On-Site

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Diesel Fleet Mechanic Technician III
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Added 1d ago
Diesel Fleet Mechanic Technician III
Sysco
Calera, Alabama
Business Operations
Business Strategy
Executive Leadership & C-Suite
Project & Program Management
EPA 609 Certification
10,000+

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Diesel Technician - Mechanic - Interstate Fleet Service
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Added 1d ago
Diesel Technician - Mechanic - Interstate Fleet Service
ATCO Hauling
Petersburg, Virginia
Electrical Engineering
Maintenance & Repair
Skilled Trades
$28 - $35/hr
Diesel Mechanic Certification
51-200

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Diesel Technician - Mechanic: Mid Shift - Interstate Fleet Service
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Added 1d ago
Diesel Technician - Mechanic: Mid Shift - Interstate Fleet Service
ATCO Hauling
Chesapeake, Virginia
Healthcare Administration
Maintenance & Repair
Patient Services & Wellbeing
$23 - $28/hr
Diesel Mechanic Certification
51-200

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See All 2,557+ Diesel Mechanic Jobs

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Diesel Mechanic Job Market

Who's Hiring

  • Ryder System187
  • United Rentals148
  • TravelCenters of America130
  • Cox Fleet (Part of Cox Enterprises)107
  • Cox Automotive84

Top Industries Hiring

  • Transportation & Logistics13
  • Waste Management & Environmental Services8
  • Energy5
  • Retail5
  • Food & Beverage5

What Employers Look For

The qualifications that appear most often in diesel mechanic jobs.

  • 1-3 years of hands-on diesel engine repair and preventive maintenance experience
  • ASE certification in medium or heavy truck systems, or willingness to certify
  • Proficiency with diagnostic software such as Insite, JPRO, or Detroit Diagnostic Link
  • Ability to read and interpret electrical schematics and hydraulic diagrams
  • Valid commercial driver's license or ability to obtain one within a set timeframe
  • Completion of a vocational diesel technology program or equivalent trade school training

Tips for Your Diesel Mechanic Job Search

List every certification you hold

ASE certifications, CDL endorsements, and manufacturer-specific training from Cummins, Detroit, or Paccar all belong on your resume. Many applicants skip manufacturer credentials, but fleet employers often screen for them before reading anything else.

Match your resume to the fleet type

A resume built around over-the-road tractor-trailers reads differently to a construction equipment fleet manager. Tailor your listed makes, models, and diagnostic tools to the fleet you're targeting so your experience lands immediately.

Apply early to roles that fit

Migrate Mate lists diesel mechanic openings from across the United States in one place, so you can find roles that match and apply directly to each listing.

Call out diagnostic software by name

Employers scanning resumes want to see specific tools: Insite, ServiceLink, JPRO, or Detroit Diagnostic Link. Listing only 'diagnostic software' tells them nothing. Name every platform you've used and the systems you diagnosed with it.

Prepare a hands-on skills walkthrough

Most diesel mechanic interviews include a shop tour or a verbal teardown of a recent repair. Practice explaining a complex job, like a full injector replacement or a DPF regen failure diagnosis, step by step without jargon, so the hiring manager can follow your process.

Negotiate shift differential before accepting

Many diesel shops run night and weekend shifts at a higher rate than base pay. Ask about differential pay, tool allowances, and uniform coverage during the offer stage, not after you've accepted, because those items rarely come up unless you raise them.

Diesel Mechanic Jobs: Frequently Asked Questions

Which companies are hiring the most diesel mechanics?

Ryder System, United Rentals, and TravelCenters of America are hiring the most diesel mechanics right now, with openings concentrated in Texas, Florida, and Ohio, based on current listings on Migrate Mate as of November 2026. Fleet size and seasonal demand drive most of the hiring volume at these employers.

How many diesel mechanic jobs are remote?

About 1% of diesel mechanic openings are fully remote or hybrid as of November 2026, since most of the work requires physical access to vehicles and equipment. The sub-areas most likely to include remote components are technical training roles, warranty administration, and remote diagnostic support positions at larger fleet operators.

How do you become a diesel mechanic?

Start by completing a diesel technology program at a vocational school or community college, which typically covers engine systems, electrical diagnostics, and drivetrain repair. After graduation, entry-level shop jobs or apprenticeships give you hands-on hours. From there, earning ASE certifications in the systems you work on most builds your credibility with employers and opens doors to higher-paying roles.

Can you get hired as a diesel mechanic with little experience?

Yes, many shops hire entry-level technicians as lube techs or preventive maintenance helpers and train them on the job. Your best angle is completing a diesel vocational program, holding any ASE student certifications you earned during training, and being upfront about the specific makes and systems you worked on during coursework or personal projects. Smaller independent shops and municipal fleets are often more open to developing new technicians than large national carriers.

What does the diesel mechanic interview process look like?

Most diesel mechanic interviews start with a phone screen from HR or a shop foreman covering your experience, certifications, and availability. An in-person interview usually follows, often including a walk through the shop floor where you may be asked to identify tools, explain a past repair, or describe how you would diagnose a specific fault code. Some employers add a short written or computer-based diagnostic assessment before extending an offer.

Where can I find and apply to diesel mechanic jobs?

You can find and apply to diesel mechanic jobs on Migrate Mate, which lists current openings from across the United States. Find roles that match your experience and certifications and apply directly to each listing from the same page.

See All 2,557+ Diesel Mechanic Jobs

Find roles that match your experience and apply in just a few clicks.

Find Diesel Mechanic Jobs