ZipRecruiter

Log In

1

Diesel Mechanic Helper Jobs in California (NOW HIRING)

A1 TRANSMISSION & MARINE INC

Mechanic Helper

Hayward, CA

$20.25 - $25.25/hr

Moreover, candidates should display a willingness to learn new skills and knowledge in Diesel ... Mechanic Helper Job Responsibilities and Duties: * Assists mechanic in repairing and maintaining ...

A1 TRANSMISSION & MARINE INC

Mechanic Helper

Hayward, CA

$20.25 - $25.25/hr

Moreover, candidates should display a willingness to learn new skills and knowledge in Diesel ... Mechanic Helper Job Responsibilities and Duties: * Assists mechanic in repairing and maintaining ...

loomis

Mechanic Helper

Loomis, CA

$18.25 - $22.75/hr

Key Responsibilities: * Assist an experienced automotive mechanic service and repair of all fleet ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

loomis

Mechanic Helper

Loomis, CA · On-site

$18.25 - $22.75/hr

Key Responsibilities: * Assist an experienced automotive mechanic service and repair of all fleet ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

loomis

Mechanic Helper

Loomis, CA · On-site

$18.25 - $22.75/hr

Key Responsibilities: * Assist an experienced automotive mechanic service and repair of all fleet ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

aaa pallet

Be Seen First

Diesel Mechanic

Lake Elsinore, CA · On-site

$30 - $35/hr

Help identify recurring mechanical issues and recommend solutions to reduce downtime and repair costs. Qualifications * Previous experience as a diesel mechanic, heavy-duty mechanic, fleet mechanic ...

loomis

Mechanic Helper

Loomis, CA

$18.25 - $22.75/hr

Key Responsibilities: * Assist an experienced automotive mechanic service and repair of all fleet ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

loomis

Mechanic Helper

Loomis, CA

$18.25 - $22.75/hr

Key Responsibilities: * Assist an experienced automotive mechanic service and repair of all fleet ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

SUGAR CREEK

Diesel Mechanic

Bloomington, CA · On-site

$29 - $38/hr

Diesel Mechanic Sugar Creek Transportation - Bloomington, CA Schedule: Full-time, Monday through ... help keep our fleet safe and operating properly. We are looking for someone with strong problem ...

loomis

Mechanic Helper

Loomis, CA · On-site

$18.25 - $22.75/hr

Key Responsibilities: * Assist an experienced automotive mechanic service and repair of all fleet ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

SUGAR CREEK

Diesel Mechanic

Bloomington, CA · On-site

$29 - $38/hr

... help keep our fleet safe and operating properly. We are looking for someone with strong problem ... Previous professional diesel mechanic experience required * High school diploma or GED required

Loomis

Mechanic Helper

Montebello, CA · On-site

$18 - $22.25/hr

Key Responsibilities: * Assist an experienced automotive mechanic service and repair of all fleet ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

SUGAR CREEK

Diesel Mechanic

Bloomington, CA · On-site

$29 - $38/hr

Diesel Mechanic Sugar Creek Transportation - Bloomington, CA Schedule: Full-time, Monday through ... help keep our fleet safe and operating properly. We are looking for someone with strong problem ...

Loomis Armored US, LLC

Mechanic Helper

Montebello, CA · On-site

$18 - $22.25/hr

... automotive mechanic service and repair of all fleet vehicles. * Drive automatic vehicles for ... Operational knowledge of diesel equipment and tools normally associated with the troubleshooting ...

Waste Connections

Diesel Mechanic

Marina, CA · On-site

$27.50 - $36.25/hr

Waste Connections is now hiring a Diesel Mechanic to join the team in Olive Branch, MS! Our ... Helping other team members with repairs as needed * Having professional and courteous interactions ...

Waste Management

Assistant Diesel Mechanic

Castroville, CA · On-site

$25 - $31/hr

... helping build the best and total you. The hours and location you'll work as an Assistant Diesel ... Our mechanics take their careers to the next level by working on equipment that requires a high ...

next page

Showing results 1-20

All JobsDiesel Mechanic Helper JobsDiesel Mechanic Helper Jobs in California

Diesel Mechanic Helper information

See California salary details

$14

$27

$38

How much do diesel mechanic helper jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for diesel mechanic helper in California is $27.90, according to ZipRecruiter salary data. Most workers in this role earn between $23.70 and $31.30 per hour, depending on experience, location, and employer.

What is a diesel mechanic helper?

A Diesel Mechanic Helper assists diesel mechanics in maintaining, repairing, and inspecting diesel engines and vehicles. Their duties include handling tools, cleaning parts, performing basic maintenance tasks, and ensuring the work area is organized. They may also help diagnose issues and replace faulty components under supervision. This role provides hands-on experience and is a great stepping stone for becoming a certified diesel mechanic.

What does a diesel mechanic helper do?

A typical day for a Diesel Mechanic Helper involves assisting lead mechanics with inspecting, servicing, and repairing diesel engines and related machinery. Tasks often include preparing tools and parts, performing routine maintenance like oil changes or filter replacements, cleaning work areas, and keeping accurate records of completed tasks. The role frequently requires working in shop settings, sometimes outdoors, and collaborating closely with other mechanics and supervisors. This hands-on experience not only builds technical skills but can also serve as a stepping stone to more advanced mechanic roles over time.

What skills and qualifications are needed to be a diesel mechanic helper?

To thrive as a Diesel Mechanic Helper, you need a basic understanding of diesel engine components, hand tools, and mechanical systems, often gained through a high school diploma or trade school courses. Familiarity with diagnostic equipment, pneumatic tools, and safety protocols is important and some employers may require OSHA certifications. Strong teamwork, reliability, and a willingness to learn new skills make candidates stand out. These abilities ensure you can effectively support lead mechanics, maintain safety, and grow within a fast-paced maintenance environment.

How much do diesel mechanic helpers make in the US?

Diesel mechanic helpers in the US typically earn an average hourly wage of around $15 to $20, which translates to approximately $31,000 to $41,600 annually for full-time work. Wages can vary based on experience, location, and whether they have certifications or specialized skills such as working with diagnostic tools or heavy-duty engines.

What are the most commonly searched types of Diesel Mechanic jobs in California?

The most popular types of Diesel Mechanic jobs in California are:

What are popular job titles related to Diesel Mechanic Helper jobs in California?

For Diesel Mechanic Helper jobs in California, the most frequently searched job titles are:

What job categories do people searching Diesel Mechanic Helper jobs in California look for?

The top searched job categories for Diesel Mechanic Helper jobs in California are:

What cities in California are hiring for Diesel Mechanic Helper jobs?

Cities in California with the most Diesel Mechanic Helper job openings:

Diesel Mechanic Helper jobs near you
Infographic showing various Diesel Mechanic Helper job openings in California as of August 2026, with employment types broken down into 84% Full Time, and 16% Part Time. Highlights an 100% In-person job distribution, with an average salary of $58,028 per year, or $27.9 per hour.

Mechanic Helper

A1 TRANSMISSION & MARINE INC

Hayward, CA

$20.25 - $25.25/hr

Full-time

Retirement, PTO

Re-posted 22 days ago

Job description

Mechanic Helper Job Summary: 

A1 Transmission & Marine, INC. is actively seeking a dedicated and industrious individual to join our team. This role involves supporting our shop mechanics with various tasks and responsibilities. The ideal candidate will demonstrate physical and mental aptitude, meticulous attention to detail, effective communication skills, and a commitment to enhancing operational efficiency and accountability.

Moreover, candidates should display a willingness to learn new skills and knowledge in Diesel Engines, Diesel Generators, Marine Gears, and Powershift Transmissions found in Heavy Equipment & Heavy Marine. Key duties include assisting mechanics, performing general shop labor, and running part errands as instructed by the General Manager and Office Manager.

A1 Transmission & Marine, INC. is an authorized dealer for John Deere Marine Power, Mitsubishi Marine Engines Northern Lights Generators, Kohler Generators, MAN Marine Engines, Twin Disc Transmissions, Scania Engines, DANA Spicer Off-Highway Systems, ZF Marine & Off-Highway Systems, and much more!

Mechanic Helper Job Responsibilities and Duties: 

  • Assists mechanic in repairing and maintaining machinery and mechanical equipment
  • Wash Parts and housings using various hand and air tools
  • Carry tools and equipment to and from storage and work areas
  • Assist in keeping work areas clean
  • Oil and grease machines
  • Clean parts and machines with various solvents and wiping rags to prepare for repairs
  • Keep storage areas clean, organized, and maneuverable

Mechanic Helper Skills and Qualifications: 

  • Valid Driver’s License required with Clean Driving Record
  • Punctual, dependable, and have a sense of urgency
  • Able to work in a team and produce quality work under tight deadlines
  • Strong communication skills, including a sense of humor
  • Take Initiative and willing to develop strong analytical skills
  • Diligence, prioritization skill, and time management
  • Adaptive learner with a positive attitude
  • Attention to detail and an emphasis on cleanliness
  • Resilient demeanor - You will be interacting with mechanics, fishermen, construction workers, and various industry personnel

BENEFITS: 

  • Retirement Plan
  • Holiday Time-Off/Pay
  • Sick & Vacation Time
  • Paid Training & Growth Opportunities
  • Performance-based pay raise (up to 4x per year)
  • $18-$25 Starting Pay Range

Salary negotiable based on experience and qualifications. Resume and three references can be emailed to kurt@a1hayward.com. A detailed job application with a supplemental questionnaire will be provided to serious and qualified candidates.

A1 Transmission & Marine, INC. is an Equal Opportunity Employer and Drug-Free Workplace. Background check and pre-employment drug test will be required of the selected candidate.