Diesel Mechanic Jobs in California
Diesel Mechanic jobs in California are concentrated in Los Angeles, the Inland Empire, and the San Francisco Bay Area, where freight logistics, public transit fleets, and heavy construction keep demand strong across experience levels from entry-level lube technicians to master diesel technicians. Major employers with a lasting California footprint include Ryder System, Penske Truck Leasing, and the Los Angeles County Metropolitan Transportation Authority, all of which maintain large service operations that hire consistently. The most in-demand specialties are emissions diagnostics, heavy construction equipment, and commercial truck drivetrain repair, with California's strict CARB standards making emissions-certified technicians especially sought after. Find a role that fits below and apply directly.
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Are you seeking a safer work environment as a mechanic? Is your family’s financial security important to you? Aspiring to advance in your mechanic career? Searching for a company that prioritizes its employees' well-being? If this speaks to you, then WM might be the place for your next career move.
Career progression, stability for your family, and a safe environment to work. That’s what you get as a Diesel Mechanic at WM – and more.
Preferred candidate will have 2 years or more experience with:
Tractor Trailer knowledge
Engine Diagnosis
Hydraulic knowledge a plus
Electrical knowledge
Welding a plus
Valid Driver License
Must have own tools
Able to do 2-week training in Arizona
The pay and benefits you’ll get as a Diesel Mechanic
- Starting salary of $34.00 per hour depending on experience
- Stable hours for your financial stability
- Tool allowance worth Varies by site but still included
Boot allowance worth an additional Varies by site but included
These are just a few of our comprehensive benefits for Diesel Mechanic. Whether you are planning on building or expanding your family or looking for the next step in your career – WM is there, helping build the best and total you.
The hours and location you’ll work in as a Diesel Mechanic with WM:
- Monday – Friday (Occasional Saturday)
- 2nd Shift 12:00pm-8:30pm-Carson
- We’re committed to offering you stable hours for the financial security and work life balance you need.
- The normal setting for this job is a repair / maintenance shop at our Carson, CA hauling site.
Those are the key details on pay and schedule – now here’s more on what you’ll be doing as a Diesel Mechanic at WM.
Each day you’ll fix the trucks and equipment that service over 20 million customers across the USA. As a Diesel Mechanic you can take pride in watching a truck roll out of the shop, knowing your local community will be supported by your hard work. Our mechanics take their careers to the next level by working on equipment that requires a high level of skill – and determination. You’ll be using modern tools and procedures to deliver exceptional maintenance on both diesel equipment and, at some locations, on our growing fleet of CNG trucks.
Here’s more of what you’ll do:
- Inspect, diagnose and repair electrical, hydraulic, suspension, brake and air systems on a wide range of vehicles and equipment.
- Estimates time and material costs on vehicle repairs and new parts.
- Perform your work within our Standard Labor Repair Times (SRTs).
- Respond to service calls for emergency breakdowns.
- Safety checks on vehicles – the safety of every single employee and the people in our communities is our number one priority
- Complete required paperwork, documenting parts usage, and accounting for repair times.
- Assisting senior Mechanics in the completion of project work.
- Reviews, completes, or assigns repairs identified on Driver Vehicle Inspection Reports.
- Maintains a clean, safe work area in compliance with Corporate / OSHA Standards and perform all work in accordance with established safety procedures.
What do you need to be considered for the role of Diesel Mechanic?
- 2 years of relevant work experience
- A valid drivers license.
- Be over 18 years of age.
- Legally eligible to work in the United States
- Ability to perform physical requirements of the position with or without reasonable accommodations.
- Successfully complete and pass pre-employment drug screen and physical.
The kind of people who thrive in our teams:
- Team players who care about everyone in the shop
- Happy working independently and as part of a team
- Likes variety – every day provides a new challenge
- Determined problem solvers.
Work environment and physical demands
Listed below are key points regarding physical demands, physical and occupational risks, and the work environment of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of the job.
- Required to exert physical effort that will include but is not limited to frequent lifting, pushing, pulling, crouching, and climbing; Constantly standing, walking, and grasping; Occasionally: sitting and balancing
- Required to be exposed to physical occupational risks (such as cuts, burns, exposure to toxic chemicals, etc.) often;
- Required to be exposed to physical environment which involves dirt, odors, noise, weather extremes or similar elements often;
- This job operates in both inside garage, shop or gas plant conditions as well as in outside conditions that include inclement weather, heat and humidity.
If this sounds like what you’ve been looking for, then click ‘Apply now’ to start your tomorrow, today.
PAY: The expected base pay range for this position across the US is $34.00. This range represents a good faith estimate for this position. The specific salary offered to a successful candidate may be influenced by a variety of factors including the candidate's relevant experience, education, training, certifications, qualifications, and work location.
See All 129+ Diesel Mechanic Jobs in California
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Find Diesel Mechanic JobsDiesel Mechanic Jobs by City in California
Where California roles are concentrated, by current openings.
Diesel Mechanic Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
- United Rentals12

- Rush Enterprises9

- Cox Fleet (Part of Cox Enterprises)9

- US Foods8

- Cox Automotive7

Top Industries Hiring
- Chemicals & Materials
- Staffing & Recruiting
What California Employers Look For
The qualifications that appear most often in diesel mechanic jobs across California.
- ASE diesel certification or active enrollment in ASE testing strongly preferred by California employers
- Valid California Class A or Class B commercial driver license for fleet testing roles
- Two or more years of hands-on experience with medium- or heavy-duty diesel engines
- Proficiency with diagnostic software such as Cummins Insite, Detroit Diagnostic Link, or Delphi DS
- Ability to perform smog and emissions inspections compliant with California Air Resources Board standards
- Own hand tools and willingness to work shifts including nights or weekends in fleet environments
Diesel Mechanic Jobs in California: Frequently Asked Questions
How do you become a diesel mechanic in California?
Start with a certificate or associate degree in diesel technology from a California community college such as Fresno City College, Rio Hondo College, or Citrus College, which offer programs aligned with industry standards. California does not require a state-issued diesel mechanic license, but earning ASE certification in medium and heavy truck is the most widely recognized credential among California employers. A California Class A or Class B commercial driver license strengthens candidacy for fleet technician roles.
Which companies hire diesel mechanics in California?
Companies currently hiring diesel mechanics in California include United Rentals, Rush Enterprises, and Cox Fleet (Part of Cox Enterprises), per current listings on Migrate Mate as of September 2026. California's large freight corridors, public transit agencies, and construction sectors mean both private fleet operators and public employers post diesel mechanic openings year-round.
Which California cities have the most diesel mechanic jobs?
The cities with the most diesel mechanic openings in California are Sacramento, Fontana, and Oakland. The distribution reflects California's freight and logistics infrastructure, with the Inland Empire and Los Angeles Basin anchored by major distribution centers, port operations, and transit agencies, while the Bay Area and Central Valley support agricultural equipment and regional fleet maintenance hubs.
Are there remote diesel mechanic jobs in California?
Yes, but they're rare. About 0% of diesel mechanic openings tied to California are remote or hybrid as of September 2026, given the hands-on nature of the work. The portions of the role most compatible with remote arrangements include service advisor coordination, parts procurement, and warranty documentation for technicians who have moved into supervisory or support positions.
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 service technician helper role at a California fleet operation or dealership, where on-the-job training is common. Ryder and Penske both run structured technician apprenticeship programs at their California service centers. Completing a diesel technology certificate at a California community college and passing even entry-level ASE tests demonstrates commitment and gives candidates a measurable edge over applicants without 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 California openings updated regularly. Find the roles that fit your experience and location and apply directly to the employers posting them.
See All 129+ Diesel Mechanic Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Diesel Mechanic Jobs