Diesel Service Technician Jobs

Diesel Service Technician jobs are open across trucking, construction, agriculture, mining, and fleet operations, from entry-level lube technicians to senior master technicians, with specializations in heavy-duty engines, hydraulic systems, and emissions diagnostics. Find a role that fits from the openings below and apply directly.

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Overview

Open roles100+
Top stateTexas
Top employerRepublic Services
Top cityBridgeport, NJ
Work type96% On-site
Top industryWaste Management

Showing 5 of 100+ Diesel Service Technician jobs

Vulcan Materials Company
Diesel Service Technician
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Vulcan Materials Company
Added 1w ago
Diesel Service Technician
Vulcan Materials Company
Staunton, Virginia
Manufacturing Operations
Maintenance & Repair
Skilled Trades
$25 - $38/hr
On-Site
None
10,000+

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Vulcan Materials Company
Night Shift Diesel Service Technician
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Vulcan Materials Company
Added 1mo ago
Night Shift Diesel Service Technician
Vulcan Materials Company
Havre de Grace, Maryland
Manufacturing Operations
Maintenance & Repair
Skilled Trades
Mechanical Technician
$27 - $46/hr
On-Site
None
10,000+

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RDO Equipment Co.
Diesel Service Technician
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RDO Equipment Co.
Added 2mo ago
Diesel Service Technician
RDO Equipment Co.
Billings, Montana
Manufacturing Operations
Maintenance & Repair
$28 - $42/hr
On-Site
None
1,001-5,000

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RDO Equipment Co.
Diesel Service Technician
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RDO Equipment Co.
Added 3mo ago
Diesel Service Technician
RDO Equipment Co.
Washburn, North Dakota
Manufacturing Operations
Maintenance & Repair
$28 - $42/hr
On-Site
None
1,001-5,000

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Omaha Track
Mechanical/Diesel Service & Upfit Technician
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Omaha Track
Added 1w ago
Mechanical/Diesel Service & Upfit Technician
Omaha Track
Omaha, Nebraska
Manufacturing Operations
Maintenance & Repair
Skilled Trades
$24 - $33/hr
On-Site
High School
201-500

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Diesel Service Technician Job Market

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

Who's Hiring

  • Republic Services
    Republic Services45
  • Fleet Services by Cox Automotive
    Fleet Services by Cox Automotive19
  • Cummins
    Cummins12
  • Evoqua Water Technologies
    Evoqua Water Technologies3
  • Vulcan Materials Company
    Vulcan Materials Company3

Top Industries Hiring

  • Waste Management & Environmental Services47
  • Automotive31
  • Transportation & Logistics14
  • Manufacturing11
  • E-Commerce & Online Marketplaces5

What Employers Look For

The qualifications that appear most often in diesel service technician jobs.

  • Valid commercial driver's license or ability to obtain one within 90 days
  • ASE Medium/Heavy Truck certification or equivalent industry credential
  • Hands-on experience diagnosing and repairing diesel engines such as Cummins or Detroit
  • Proficiency with electronic diagnostic tools and OEM software platforms
  • Minimum two years of diesel or heavy equipment maintenance experience
  • Ability to lift up to 75 pounds and work in outdoor or shop environments

Tips for Your Diesel Service Technician Job Search

List your certifications front and center

ASE certifications, especially T-series truck certifications, belong at the top of your resume, not buried in a skills section. Hiring managers screening diesel technician resumes often filter by certification first before reading anything else.

Specify equipment brands you have worked on

Employers hiring for diesel roles care deeply about OEM experience. Name the specific brands you know, whether Cummins, Detroit, CAT, Paccar, or Allison transmissions. Generic phrases like 'heavy equipment' won't stand out the way brand names do.

Apply early to roles that fit

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

Target job postings that match your diagnostic tools experience

Many postings specify software platforms like ServiceMaxx, JPRO, or Insite. If you have hands-on experience with these tools, mirror the exact tool names from the posting in your resume so your application clears automated screening.

Prepare a technical walkthrough for interviews

Diesel technician interviews often include a practical or verbal diagnostic scenario. Walk through a real repair you completed, naming the fault codes you read, the steps you followed, and the outcome. Concrete examples matter more than general answers.

Negotiate shift differentials, not just base pay

Many diesel technician roles offer night, weekend, or on-call differentials that meaningfully change your total compensation. When you reach the offer stage, ask specifically about overtime structure and shift premiums before accepting any number.

Diesel Service Technician Jobs: Frequently Asked Questions

Which companies are hiring the most diesel service technicians?

The companies hiring the most diesel service technicians right now include Republic Services, Fleet Services by Cox Automotive, and Cummins, with the largest share of openings in Texas, New Jersey, and California, based on current listings on Migrate Mate as of June 2026. Fleet operators, national trucking carriers, and heavy equipment dealers consistently post the highest volumes of openings.

How many diesel service technician jobs are remote?

About 4% of diesel service 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 allow remote or hybrid arrangements are service advisor roles, warranty administration, and remote diagnostics support positions rather than bench or shop technician roles.

How do you become a diesel service technician?

Most diesel service technicians start with a postsecondary program at a vocational school or community college focused on diesel technology or heavy equipment mechanics. From there, an entry-level shop position or apprenticeship builds hands-on experience. Earning ASE T-series certifications validates your skills to employers and opens doors to higher-level roles over time.

Can you get hired as a diesel service technician with little or no experience?

Yes, many shops hire entry-level lube technicians or technician helpers with no prior diesel experience if you have a vocational certificate or demonstrated mechanical aptitude. Showing up with your own basic hand tools, a willingness to work nights or weekends, and any automotive or small engine background gives you a real edge over applicants who have none of those.

What does the diesel service technician interview process look like?

Most diesel technician interviews include an initial phone screen with HR or a service manager, followed by an in-person meeting where you discuss your diagnostic experience and equipment background. Many employers add a shop walkthrough or a hands-on practical assessment where you identify a fault or demonstrate tool proficiency. Reference checks and a driving record review are common final steps before an offer.

Where can I find and apply to diesel service technician jobs?

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

See All 100+ Diesel Service Technician Jobs

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

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