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Diesel Generator Maintenance Jobs in California (NOW HIRING)

Bemana, LLC

Generator Technician

Fremont, CA

$40 - $55/hr

Our client is seeking a skilled Generator Technician 3 with advanced experience diagnosing, repairing, and maintaining diesel, natural gas, and propane generators, as well as automatic transfer ...

Isuzu Veterans Apprenticeship Program (IVAP)

Diesel mechanics * Heavy equipment maintenance * Automotive repair * Aircraft maintenance ... Generator maintenance * Fleet maintenance * Military maintenance supervision Requirements

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All JobsDiesel Generator Maintenance JobsDiesel Generator Maintenance Jobs in California

Diesel Generator Maintenance information

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$9

$21

$49

How much do diesel generator maintenance jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for diesel generator maintenance in California is $21.91, according to ZipRecruiter salary data. Most workers in this role earn between $15.19 and $24.42 per hour, depending on experience, location, and employer.

What is diesel generator maintenance?

A Diesel Generator Maintenance job involves inspecting, servicing, and repairing diesel-powered generators to ensure they operate efficiently and reliably. Technicians perform routine maintenance tasks such as oil and filter changes, coolant checks, battery inspections, and troubleshooting mechanical or electrical issues. They also diagnose faults, replace worn-out components, and test the generator under load conditions to verify performance. Regular maintenance helps prevent breakdowns and extends the lifespan of the equipment. This role is essential in industries that rely on backup or primary power sources, such as hospitals, construction sites, and data centers.

What are the typical daily responsibilities of someone in diesel generator maintenance?

A professional in Diesel Generator Maintenance spends their days inspecting, servicing, and repairing diesel generators to ensure reliable performance. This involves routine checks of fuel, oil, and cooling systems; troubleshooting issues using diagnostic tools; and performing preventative maintenance according to schedules or operational needs. You may work both independently and as part of a maintenance team, often collaborating with electricians, facility managers, or other technical staff. The role may also require responding to emergency calls or off-hours maintenance, particularly in environments where generator reliability is critical, such as hospitals or data centers.

What are the key skills and qualifications needed to thrive in diesel generator maintenance, and why are they important?

To excel in Diesel Generator Maintenance, you need a strong background in mechanical and electrical systems, formal technical training, and hands-on experience with diesel engines. Familiarity with diagnostic tools, maintenance software, and OSHA safety certifications are typically required. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills in this field. These competencies are essential to ensuring reliable generator operation, minimizing downtime, and maintaining safety standards.

Are diesel generator maintenance technicians in demand?

Diesel generator maintenance technicians are in demand due to the ongoing need for reliable backup power in various industries. Employment opportunities are expected to grow as companies prioritize maintenance of critical power systems and require skills in troubleshooting, repairs, and preventive maintenance. Certifications and technical knowledge can enhance job prospects in this field.

How to become a diesel generator maintenance technician?

To become a diesel generator maintenance technician, individuals typically need a high school diploma or equivalent, followed by technical training or an apprenticeship in diesel engine repair or electrical systems. Certification such as the National Institute for Automotive Service Excellence (ASE) or manufacturer-specific certifications can enhance job prospects, and hands-on experience with generator systems is highly valuable.

What are popular job titles related to Diesel Generator Maintenance jobs in California?

For Diesel Generator Maintenance jobs in California, the most frequently searched job titles are:

What job categories do people searching Diesel Generator Maintenance jobs in California look for?

The top searched job categories for Diesel Generator Maintenance jobs in California are:

Diesel Generator Maintenance jobs near you
Infographic showing various Diesel Generator Maintenance job openings in California as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 2% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $45,574 per year, or $21.9 per hour.

Journeyman Diesel Generator Technician

CD & Power

Martinez, CA • On-site

$42 - $49/hr

Full-time

Posted 2 days ago

New

Job description

CD & Power is Northern California and Western Nevada's largest generator sales, service, and rental company. For 11 years in a row, we’ve earned a spot among the Top Workplaces in the San Francisco Bay Area because we invest in our people while fostering a family atmosphere. Many of our staff members have made their careers here by moving into our management ranks or taking advantage of extensive training opportunities to build their hands-on skills as technicians. We have the only state-approved apprenticeship program for generator technicians.


We need an experienced, independent, and motivated Diesel Generator Technician for our Martinez, CA facility with at least 6 years of relevant work history. Qualified candidates must have a valid CA driver's license and clean driving record, pass a pre-employment background, physical, and drug screening, and be available to work overtime, as needed.


We offer a competitive salary and an excellent benefits package.


More details about this opportunity for a full-time Diesel Generator Technician: 


Responsibilities:

  • Complete CD & Power Training as needed for this position.
  • Perform jobs as assigned by the Service Writer with minimal supervision.
  • Fulfill paperwork requirements.
  • Assist the supervisor with bidding jobs.
  • Meet or exceed bid labor times 95% of the time.
  • Lead by example in attitude, safety, productivity, and cleanliness. 
  • Ability to take initiative.
  • Perform all aspects of repairs, services, and maintenance on various generators. 
  • Follow company policies and procedures.
  • Be a “team player”.


As an equal opportunity employer, CD & Power does not discriminate in hiring or in terms and conditions of employment because of an individual’s race, creed, color, sex, age, disability, sexual orientation, national origin, or other protected characteristics.