Diesel Mechanic Jobs in California

Diesel Mechanic jobs in California are among the most active in the country, with consistent demand from freight and logistics networks, construction, agriculture, and public transit fleets at every level from entry-level shop technicians to senior fleet specialists. The heaviest hiring concentrates in Los Angeles, Fresno, and Sacramento, where employers like Penske Truck Leasing, Ryder System, and the California Department of Transportation maintain large ongoing operations. The most sought-after specialties include emissions diagnostics, heavy equipment repair, and preventive maintenance on Class 6 through Class 8 trucks. Find a role that fits below and apply directly.

Find Diesel Mechanic Jobs

Overview

Open roles19+
Top employerUnited Rentals
Top cityLos Banos, CA
Cities hiring16
Work type100% On-site
Top industryTransportation

Showing 5 of 19+ Diesel Mechanic jobs

United Rentals
Diesel Mechanic
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United Rentals
Added 6d ago
Diesel Mechanic
United Rentals
Torrance, California
Manufacturing Operations
Maintenance & Repair
Skilled Trades
$22 - $46/hr
On-Site
High School
10,000+

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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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United Rentals
Diesel Mechanic
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United Rentals
Added 3w ago
Diesel Mechanic
United Rentals
Benicia, California
Manufacturing Operations
Maintenance & Repair
Skilled Trades
$31 - $49/hr
On-Site
High School
10,000+

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United Rentals
Field Diesel Mechanic
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United Rentals
Added 3w ago
Field Diesel Mechanic
United Rentals
Merced, California
Manufacturing Operations
Maintenance & Repair
Skilled Trades
$30 - $43/hr
On-Site
High School
10,000+

Have you applied for this role?

See All 19 Diesel Mechanic Jobs in California

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

Find Diesel Mechanic Jobs

Diesel Mechanic Jobs by City in California

Where California roles are concentrated, by current openings.

Los Banos
2 jobs
Salinas
2 jobs
San Jose
2 jobs
Benicia
1 jobs
Boron
1 jobs
Fullerton
1 jobs
Huntington Beach
1 jobs
Los Angeles
1 jobs
Martinez
1 jobs

Diesel Mechanic Job Market in California

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

Who's Hiring

  • United Rentals
    United Rentals8
  • Vulcan Materials Company
    Vulcan Materials Company3
  • Diamond Environmental Services
    Diamond Environmental Services2
  • Penske Truck Leasing
    Penske Truck Leasing2
  • Fleet Services by Cox Automotive
    Fleet Services by Cox Automotive1

Top Industries Hiring

  • Transportation & Logistics3
  • Automotive2
  • Construction & Real Estate2
  • Consulting & Professional Services2
  • Manufacturing2

What California Employers Look For

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

  • Valid California driver's license with a clean driving record required
  • ASE certification in diesel engines or medium/heavy truck repair preferred
  • Demonstrated experience diagnosing and repairing diesel engines and drivetrain systems
  • Proficiency with electronic diagnostic tools such as DieselNet or Cummins Insite
  • Working knowledge of California Air Resources Board emissions standards and compliance
  • Ability to lift heavy components and work safely in a shop or field environment

Diesel Mechanic Jobs in California: Frequently Asked Questions

How do you become a diesel mechanic in California?

California does not require a state-issued license to work as a diesel mechanic, but most employers expect ASE certification in diesel or medium and heavy truck repair. The typical path starts with a diesel technology program at a California community college, such as those offered through the California Community Colleges system, followed by an apprenticeship or entry-level shop position. Earning ASE credentials before or shortly after starting your first job significantly strengthens your candidacy.

How much do diesel mechanics make in California?

Diesel mechanics 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 mechanics in California?

Employers hiring diesel mechanics in California right now include United Rentals, Vulcan Materials Company, and Diamond Environmental Services, based on current listings on Migrate Mate as of June 2026. California's size and its heavy freight, construction, and public transit industries mean that fleet operators and maintenance contractors post openings year-round across the state.

Which California cities have the most diesel mechanic jobs?

Los Banos, Salinas, and San Jose have the most diesel mechanic openings in California. Los Angeles drives volume through its massive port operations and regional distribution networks, Fresno serves the Central Valley's agriculture and trucking corridors, and Sacramento combines state fleet maintenance with a growing logistics sector anchored by major distribution centers along the I-5 and Highway 99 corridors.

Are there remote diesel mechanic jobs in California?

Yes, but they're rare. Diesel mechanics work hands-on with heavy equipment, so the vast majority of roles require full on-site presence. About 0% of diesel mechanic openings tied to California are remote or hybrid as of June 2026, and those positions typically involve parts sourcing coordination, service writing, or technical support rather than direct mechanical work.

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

The most realistic entry path is a lube technician or fleet service assistant role at a large California fleet operator or dealership, which gives hands-on exposure without requiring full diagnostic credentials. Companies like Penske and Ryder run formal technician apprenticeship programs at California locations that accept candidates without prior experience. Completing a diesel technology certificate through a California community college and earning even a single ASE Student Certification before applying gives you a clear edge over candidates with no credentials.

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

You can find and apply to diesel mechanic jobs in California on Migrate Mate, which lists current openings from employers hiring in the state right now. Search the listings for roles that match your experience level and location, then apply directly to the ones that fit.

See All 19 Diesel Mechanic Jobs in California

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

Find Diesel Mechanic Jobs