Diesel Technician Jobs

Diesel Technician jobs are open across trucking, construction, agriculture, and public transit, from entry-level lube technicians to master technicians and shop foremen, with specializations in heavy-duty engines, emissions systems, and preventive maintenance. Find a role that fits from the openings below and apply directly.

Find Diesel Technician Jobs

Overview

Open roles336+
Top stateNorth Carolina
Top employerPenske Truck Leasing
Top cityCharlotte, NC
Work type99% On-site
Top industryTransportation

Showing 5 of 336+ Diesel Technician jobs

Ryder System
Mechanic Diesel Technician Entry Level Trainee
We won't show you this job again
Ryder System
Added 1d ago
Mechanic Diesel Technician Entry Level Trainee
Ryder System
Kansas City, Missouri
Manufacturing Operations
Maintenance & Repair
$25.63/hr
On-Site
High School

Have you applied for this role?

WeDriveU
Maintenance Tech III - Diesel Technician
We won't show you this job again
WeDriveU
Added 2d ago
Maintenance Tech III - Diesel Technician
WeDriveU
Stockton, California
Manufacturing Operations
Maintenance & Repair
On-Site
High School
5,001-10,000

Have you applied for this role?

Ryder System
Diesel Technician Mechanic
We won't show you this job again
Ryder System
Added 4d ago
Diesel Technician Mechanic
Ryder System
South Plainfield, New Jersey
Manufacturing Operations
Maintenance & Repair
$35.00/hr
On-Site
High School

Have you applied for this role?

Republic Services
Diesel Technician B
We won't show you this job again
Republic Services
Added 4d ago
Diesel Technician B
Republic Services
Little Rock, Arkansas
Manufacturing Operations
Maintenance & Repair
On-Site
None
10,000+

Have you applied for this role?

Republic Services
Diesel Technician Apprentice
We won't show you this job again
Republic Services
Added 5d ago
Diesel Technician Apprentice
Republic Services
Eden Prairie, Minnesota
Manufacturing Operations
Maintenance & Repair
On-Site
None
10,000+

Have you applied for this role?

See All 336+ Diesel Technician Jobs

Jump back to the full list of openings and apply to any diesel technician role that fits.

Find Diesel Technician Jobs

Diesel Technician Job Market

A snapshot from current openings nationwide, updated as new roles post.

Who's Hiring

  • Penske Truck Leasing
    Penske Truck Leasing108
  • Republic Services
    Republic Services45
  • Ryder System
    Ryder System34
  • Fleet Services by Cox Automotive
    Fleet Services by Cox Automotive19
  • Cummins
    Cummins16

Top Industries Hiring

  • Transportation & Logistics68
  • Automotive58
  • Waste Management & Environmental Services51
  • Manufacturing18
  • Distribution & Wholesale15

What Employers Look For

The qualifications that appear most often in diesel technician jobs.

  • High school diploma or GED plus completion of a diesel technology vocational program
  • Active ASE Medium/Heavy Truck certifications in one or more of the T1-T8 areas
  • Minimum two years of hands-on experience diagnosing and repairing diesel engines
  • Proficiency with electronic diagnostic software such as Cummins Insite, JPRO, or Detroit Diesel Diagnostic Link
  • Ability to read and interpret wiring diagrams, hydraulic schematics, and OEM service manuals
  • Valid driver's license and ability to safely operate commercial vehicles for road tests

Tips for Your Diesel Technician Job Search

List your ASE certifications prominently

Hiring managers scan for ASE certifications before reading anything else on a diesel technician resume. List each certification by its full name and number, such as T2 or T6, directly under your contact information so they're impossible to miss.

Quantify your diagnostic speed and accuracy

Employers want to know how fast you work and how few comebacks you generate. Replace vague phrases like 'performed diagnostics' with specific claims about vehicle types, systems you worked on, and whether you consistently met flat-rate time targets.

Target openings by fleet type, not just location

A long-haul trucking fleet, a city transit authority, and a construction equipment dealer all need diesel technicians but require different experience. Filter your search by industry so you apply to roles where your specific engine and system experience is a direct match.

Apply early to roles that fit

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

Prepare for a hands-on skills assessment

Many diesel shops ask candidates to complete a bench test or walk through a diagnostic scenario before any formal interview. Review your fault code reading, electrical troubleshooting, and preventive maintenance procedures so you can demonstrate them confidently under observation.

Negotiate your flat-rate guarantee separately

When an offer comes through, the hourly rate and the flat-rate guarantee are two different numbers. Ask specifically what the shop guarantees per week before you hit full book, since that floor matters more than the hourly rate during your first few months.

Diesel Technician Jobs: Frequently Asked Questions

Which companies are hiring the most diesel technicians?

The companies hiring the most diesel technicians right now include Penske Truck Leasing, Republic Services, and Ryder System, with the largest share of openings in North Carolina, Massachusetts, and Virginia, based on current listings on Migrate Mate as of June 2026. Demand tends to stay elevated at national fleet operators, dealership groups, and municipal transit agencies year-round.

How many diesel technician jobs are remote?

About 1% of diesel technician openings are fully remote or hybrid as of June 2026, reflecting the hands-on nature of most diesel work. The sub-areas most likely to offer remote or travel-based flexibility include field service technician roles and warranty claims or technical support positions that do not require direct vehicle access.

How do you become a diesel technician?

You become a diesel technician by completing a diesel technology or heavy equipment program at a vocational school or community college, which typically covers engine repair, electrical systems, and hydraulics. From there, entry-level shop positions let you build hands-on hours. Pursuing ASE Medium and Heavy Truck certifications as you gain experience strengthens your resume and qualifies you for higher-level roles.

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

Yes, many shops hire entry-level diesel technicians as lube technicians or service assistants who work alongside journeyman mechanics. Completing a vocational program, earning even one ASE certification, and being able to supply your own basic hand tools signals seriousness to employers. Dealership apprenticeship programs and fleet training pipelines are also common pathways that do not require prior shop experience.

What does the diesel technician interview process look like?

The diesel technician interview typically starts with a phone screen from a service manager or HR contact covering your certifications, the systems you have worked on, and your tool inventory. An in-person interview follows, often including a shop tour and a hands-on assessment where you diagnose a fault code or demonstrate a procedure. References from past supervisors are checked before an offer is extended.

Where can I find and apply to diesel technician jobs?

You can find and apply to diesel technician jobs on Migrate Mate, which lists current openings from employers across the United States. Search the listings to find roles that match your certifications, experience level, and preferred location, then apply directly to each one that fits.

See All 336+ Diesel Technician Jobs

Jump back to the full list of openings and apply to any diesel technician role that fits.

Find Diesel Technician Jobs