Diesel Service Technician Jobs in California

Diesel Service Technician jobs in California represent one of the most active trades markets in the country, with strong demand across freight and long-haul trucking, construction equipment, public transit fleets, and agricultural machinery from the Central Valley to the Inland Empire. The largest concentrations of hiring are in Los Angeles, Fresno, and Sacramento, where established operators like Penske Truck Leasing, Ryder System, and the California Department of Transportation maintain significant service operations. Preventive maintenance, emissions diagnostics, and heavy equipment repair are the most sought-after specializations, with openings at every level from entry apprentice through senior fleet technician. Find a role that fits below and apply directly.

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Overview

Open roles5+
Top cityFullerton, CA
Cities hiring5
Work type100% On-site
Top industryAutomotive

Showing 5 of 5+ Diesel Service Technician jobs

Indigo Auto Group
Diesel/Commercial Service Technician
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Indigo Auto Group
Added 1mo ago
Diesel/Commercial Service Technician
Indigo Auto Group
Palm Springs, California
Manufacturing Operations
Maintenance & Repair
Quality Control
$65k - $200k/yr
On-Site
Other
501-1,000

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Diamond Environmental Services
Diesel Mechanic Technician
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Diamond Environmental Services
Added 1w ago
Diesel Mechanic Technician
Diamond Environmental Services
Los Angeles, California
Manufacturing Operations
Maintenance & Repair
Skilled Trades
$42.70/hr
On-Site
None
51-200

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Diamond Environmental Services
Diesel Mechanic Technician
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Diamond Environmental Services
Added 1w ago
Diesel Mechanic Technician
Diamond Environmental Services
Fullerton, California
Manufacturing Operations
Maintenance & Repair
Skilled Trades
$35 - $45/hr
On-Site
None
51-200

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Lithia Motors Support Services, Inc.
Automotive Diesel Technician
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Lithia Motors Support Services, Inc.
Added 3w ago
Automotive Diesel Technician
Lithia Motors Support Services, Inc.
Yuba City, California
Manufacturing Operations
Maintenance & Repair
$46k - $94k/yr
On-Site
High School

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Republic Services
Diesel Maintenance Technician
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Republic Services
Added 1mo ago
Diesel Maintenance Technician
Republic Services
San Diego, California
Manufacturing Operations
Maintenance & Repair
Quality Control
$36/hr
On-Site
None
10,000+

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Diesel Service Technician Jobs by City in California

Where California roles are concentrated, by current openings.

Fullerton
1 jobs
Los Angeles
1 jobs
Palm Springs
1 jobs
San Diego
1 jobs
Yuba City
1 jobs

Diesel Service Technician Job Market in California

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

Who's Hiring

  • Diamond Environmental Services
    Diamond Environmental Services2
  • Indigo Auto
    Indigo Auto1
  • Lithia Motors Support Services
    Lithia Motors Support Services1
  • Republic Services
    Republic Services1

Top Industries Hiring

  • Automotive2
  • Consulting & Professional Services2
  • Waste Management & Environmental Services1

What California Employers Look For

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

  • Valid California smog check technician license required for emissions-related diesel work
  • ASE certification in diesel engines or medium/heavy truck systems strongly preferred
  • Experience diagnosing and repairing diesel engines using manufacturer-specific software tools
  • Ability to operate and inspect vehicles within California DMV commercial weight regulations
  • Valid California driver's license with a clean driving record for road testing vehicles
  • Familiarity with California Air Resources Board emissions standards and compliance requirements

Diesel Service Technician Jobs in California: Frequently Asked Questions

How do you become a diesel service technician in California?

Most employers in California hire diesel service technicians who have completed a diesel technology program at a community college or vocational school, such as programs offered at Fresno City College or Los Angeles Trade-Technical College. While California does not require a general diesel mechanic license, technicians performing smog inspections or repairs must hold a California Bureau of Automotive Repair license. ASE certification in diesel or heavy truck systems significantly strengthens candidacy with fleet operators and transit agencies.

How much do diesel service technicians make in California?

Diesel service technicians in California earn a median of about $73,950 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $47,180 for the lowest 10% to over $96,730 for the top 10%. Pay rises with experience, specialty, and employer.

Which companies hire diesel service technicians in California?

Employers hiring diesel service technicians in California right now include Diamond Environmental Services, Indigo Auto, and Lithia Motors Support Services, based on current listings on Migrate Mate as of June 2026. California's large freight corridors, active port operations, and extensive public transit networks mean that both national fleet companies and regional operators maintain ongoing hiring pipelines for qualified technicians.

Which California cities have the most diesel service technician jobs?

Fullerton, Los Angeles, and Palm Springs have the most diesel service technician openings in California right now. Los Angeles anchors demand through its massive port freight operations and regional transit fleets, while Fresno sits at the center of Central Valley agricultural and long-haul trucking activity, and Sacramento draws openings from state fleet maintenance operations and regional construction equipment contractors.

Are there remote diesel service technician jobs in California?

Yes, but they're rare. Diesel service technician work is fundamentally hands-on and tied to physical equipment, so the overwhelming majority of roles require on-site presence. About 0% of diesel service technician openings tied to California are remote or hybrid as of June 2026, and those positions typically involve technical training coordination, service advising, or fleet inspection oversight rather than direct repair work.

How can I get hired as a diesel service technician in California with little or no experience?

The most realistic entry path is a lube technician or preventive maintenance technician role with a major California fleet operator such as Penske or Ryder, which both run structured on-the-job training programs at their California facilities. Completing a diesel technology certificate at a California community college gives candidates a measurable edge, as does enrolling in a registered apprenticeship through the California Department of Industrial Relations. Candidates with backgrounds in automotive service, heavy equipment operation, or military vehicle maintenance frequently transition into entry diesel roles.

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

You can find and apply to diesel service technician jobs in California on Migrate Mate, which lists current California openings updated regularly. Search the listings to find roles that match your experience level, preferred location, and specialization, then apply directly to the ones that fit.

See All 5 Diesel Service Technician Jobs in California

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