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Diesel Tech Apprentice Jobs in California (NOW HIRING)

Francis Parker School

Mechanic / Fleet Technician

San Diego, CA · On-site

$40 - $42/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

A technical school degree or completion of a diesel mechanic apprenticeship program is preferred ... Willingness to learn emerging electric vehicle technologies. * Willingness to serve as a substitute ...

Francis Parker School

Mechanic / Fleet Technician

San Diego, CA · On-site

$40 - $42/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

A technical school degree or completion of a diesel mechanic apprenticeship program is preferred ... Willingness to learn emerging electric vehicle technologies. * Willingness to serve as a substitute ...

Francis Parker School

Mechanic / Fleet Technician

San Diego, CA · On-site

$40 - $42/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

A technical school degree or completion of a diesel mechanic apprenticeship program is preferred ... Willingness to learn emerging electric vehicle technologies. * Willingness to serve as a substitute ...

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All JobsDiesel Tech Apprentice JobsDiesel Tech Apprentice Jobs in California

Diesel Tech Apprentice information

What is a diesel tech apprentice?

A Diesel Tech Apprentice is an entry-level technician who is training to repair, maintain, and service diesel engines and vehicles under the supervision of experienced mechanics. Apprentices learn hands-on skills such as diagnosing engine problems, performing routine maintenance, and using specialized tools. This role typically involves both classroom instruction and on-the-job training, allowing apprentices to gradually develop the expertise needed to become certified diesel technicians.

What does a diesel tech apprentice do?

As a Diesel Tech Apprentice, your day often starts with a briefing on assigned tasks, which can include preventive maintenance, assisting with diagnostics, and performing basic repairs under supervision. You'll work closely with senior technicians, who guide you through hands-on tasks and safety procedures, allowing you to build foundational skills. Collaboration and asking questions are encouraged, as much of your learning happens on the job. Over time, you'll gain more responsibility and tackle complex repairs, preparing you for advancement within the team.

What are the key skills and qualifications needed to thrive as a diesel tech apprentice?

To thrive as a Diesel Tech Apprentice, you need a basic understanding of diesel engine mechanics, strong problem-solving abilities, and typically a high school diploma or technical training. Familiarity with diagnostic tools, hand and power tools, and safety protocols is essential, and some employers may require or prefer ASE certification. Attention to detail, willingness to learn, and effective communication help apprentices stand out in shop environments. These skills and qualities ensure accurate diagnostics, safe repairs, and successful teamwork as you build your expertise in diesel technology.

What is the difference between Diesel Tech Apprentice vs Diesel Technician?

AspectDiesel Tech ApprenticeDiesel Technician
CredentialsOften in training, may have basic certifications or noneTypically has completed training or certification programs
Work EnvironmentOn-the-job training, supervised learningFull-time, independent work in repair shops or garages
Industry UsageEntry-level, learning role within automotive and diesel repairSkilled professional performing repairs and diagnostics

The main difference between a Diesel Tech Apprentice and a Diesel Technician is experience and training level. Apprentices are in training, gaining skills under supervision, while technicians are fully qualified professionals capable of performing repairs independently.

How long are diesel tech apprenticeships?

Diesel tech apprenticeships typically last between 1 to 3 years, combining classroom instruction with hands-on training in repair shops. The duration depends on the program structure, the apprentice's prior experience, and the specific requirements of the employer or training provider.

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

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

What are popular job titles related to Diesel Tech Apprentice jobs in California?

For Diesel Tech Apprentice jobs in California, the most frequently searched job titles are:

What job categories do people searching Diesel Tech Apprentice jobs in California look for?

The top searched job categories for Diesel Tech Apprentice jobs in California are:

What cities in California are hiring for Diesel Tech Apprentice jobs?

Cities in California with the most Diesel Tech Apprentice job openings:

Diesel Tech Apprentice jobs near you
Infographic showing various Diesel Tech Apprentice job openings in California as of August 2026, with employment types broken down into 2% As Needed, 77% Full Time, 10% Part Time, 10% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Machinery Service Technician (Mechanic) 1 - Main Shop

Hawthorne Machinery Co.

Chula Vista, CA • On-site

$34 - $42/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

We Build Better Communities
Be Part of the Hawthorne Difference!
Hawthorne Cat is a family-owned company that has led its markets for over 60 years in the sale, rental, and servicing of construction machinery and power generation equipment for industries on which our communities depend like agriculture, construction, marine, and government.
Every member of our team plays a significant role in our success. Hawthorne Cat hires individuals who share our vision of Building Better Communities with our Customers and our values of Passion, Respect, Integrity, Dedication and Excellence (PRIDE).
If you are looking to build your future with an established, thriving company with countless opportunities for growth and advancement, you've come to the right place! At Hawthorne Cat, we're always looking for exceptionally skilled, hardworking individuals interested in contributing to our success and the success of the communities that we serve.
Our people are our most valuable asset. That's why at Hawthorne Cat we are committed to a comprehensive employee benefit program that helps our employees stay healthy, feel secure, and maintain a work/life balance.
POSITION SUMMARY:
As a technician, you are responsible for providing high-quality repairs on Caterpillar and allied equipment. You will diagnose and troubleshoot engines, powertrains, electrical, and hydraulic systems; experience with Cat diagnostic equipment, Cat repair tooling, rigging, and blocking equipment is preferred. Due to the multiple projects, you will be assigned, this position requires planning and organization skills with a particular emphasis on controlling job costs. You will investigate, analyze, and identify the problem to make recommendations that eliminate issues. Our technicians work with a variety of people, communication skills that include strong interpersonal skills, effective writing, basic computer skills, and ability to respond to the lead technicians/management in a positive, caring, and timely manner is required.
ESSENTIAL FUNCTIONS:
  1. Analyze and diagnose issues on all Caterpillar and allied equipment.
  2. Remove and install parts, disassemble, and assemble components, and test and adjust assemblies with minimal supervision
  3. Perform Caterpillar updates as directed by Caterpillar, Inc.
  4. Analyze all Caterpillar and allied product equipment systems and components for proper operation in arrangement application based on theory of design.
  5. Effectively communicate with peers and supervisors.
  6. Organize jobs in a logical and economical sequence.
  7. Utilize Cat Interact/ ServiceLink and other systems (computer programs) as required.
  8. Order parts through DBS (Dealer Business System).
  9. Enter labor time daily (DBS).
  10. Perform assigned work within the communicated time quoted/flat rated.
  11. Complete assigned jobs to meet flat rate times with minimal to no rework.
  12. Write service reports that accurately document diagnosis and repairs performed on a daily basis.
  13. Attend toolbox meetings as required.
  14. Adhere to all company policies.
  15. Follow contamination control and OSHA/MSHA rules and regulations.
  16. Perform other duties as directed by lead or Service Supervisor.

EDUCATION, EXPERIENCE, AND SKILLS REQUIRED:
  1. High school diploma or equivalent
  2. Two to five (2-5) years of experience in the repair of Caterpillar products, or other heavy equipment.
  3. Prefer to have one of the following:
    1. Successful completion of apprenticeship program.
    2. Graduation from an accredited technical school with emphasis on diesel technology.
  1. General knowledge of basic hand tools, air tools, precision measuring tools and instruments, laptops, diagnostic software and cranes/rigging equipment.
  2. Ability to provide accurate information to lead/supervisor for quoting.
  3. Ability to adapt to changes in the work environment;
  4. Ability to manage competing demands;
  5. Able to change approach or method to best fit the situation;
  6. Able to deal with frequent change, delays, or unexpected events.
  7. Must be able to obtain a passing score for the crane qualification test performed by a qualified Hawthorne trainer for this position.
  8. Ability to work unsupervised efficiently and be part of a team environment.
  9. Must be able to pass the Lock Out / Tag Out & Forklift certification class provided by a qualified Hawthorne trainer for this position.
  10. Performs the position with pride in professionalism while following Hawthorne's code of conduct.
  11. Possesses basic computer knowledge and ability to use service software required in position.
  12. Must have valid California Driver's License with a clean record.
    1. Shop Requirements: Valid California Class "C" driver's license.
    2. Field Requirements: Valid California Class "B" driver's license, if assigned vehicle is required.
  13. Furnish all hand tools required to repair, test and diagnose hydraulic, air, power train, electrical and electronic systems on Caterpillar equipment.

NOTE: Some high dollar value tooling is supplied by Hawthorne.
  1. Contributes to building a positive team spirit; Puts success of team above own interests;
  2. Able to build morale and group commitments to goals and objectives;
  3. Supports everyone's efforts to succeed.

PHYSICAL DEMANDS:
  1. Walking and moving about on foot often through uneven terrain.
  2. Hands/arms operating equipment, hand and power tools.
  3. Lifting: Up to 50 lbs. daily, frequent exertion. Raises or lowers miscellaneous equipment parts and tools.
  4. Handling: Works with hands.
  5. Reaching: Extends hands and arms in any direction.
  6. Standing: Remains in standing position if required for certain repair or maintenance work.
  7. Climbing: In and out of equipment.
  8. Vision: Reads work tickets, parts and service books and operates heavy equipment.
  9. Talking: Communicates via telecommunications, in writing, and in person.
  10. Sitting: Sits in equipment and in vehicles.
  11. Stooping: Bends body downward and forward by bending at knees or waist.
  12. Hearing: Hears well enough to discern mechanical problems for safety in and around shop and construction sites and to receive communication via telecommunications and in person.
  13. Laying: Lies in prone position under vehicles and equipment.

ENVIRONMENTAL:
  1. Noise: Works in conditions with constant or intermittent noise.
  2. Temperatures/Weather: Works in the field, outside with variations of temperature and weather.
  3. Exposure: Foul odors, fumes and harsh substances.

Here's what we Offer...
  • Competitive Compensation
  • A great work environment and culture
  • Career growth and advancement opportunities
  • Training
  • Medical, Dental and Vision plans
  • Medical Video Appointments available
  • Health Savings Account available
  • Paid Time Off (PTO) Pay
  • 401(k) Plan + Company Matching
  • Health and Dependent Care Flexible Spending Accounts
  • Life & Accident Insurance
  • Employee Assistance Programs
  • Legal Plan
  • Travel Assistance Plan
  • Wellness Programs
  • Referral Bonus Program
  • Longevity Bonus Program
  • Recognition Programs and much more
  • Hawthorne CAT discounts
  • Boot Reimbursement
  • Tuition Reimbursement
  • Company-Supplied Uniforms
  • Advanced Technical Training
  • Estimated Compensation $34.00-$42.00 per hour

Interested in joining the Hawthorne team? Check out our current available positions at:
www.hawthornecat.com/careers
ACCOMMODATIONS: Reasonable accommodations for essential functions of the position will be considered.
Hawthorne Cat® is an Equal Employment Opportunity/Affirmative Action Employer. M/F/V/D
Hawthorne Cat® Participates in E-Verify.

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