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Diesel Generator Mechanic Jobs (NOW HIRING)

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Diesel Generator Field Technician

Sumter, SC · On-site

$30 - $40/hr

Diagnosing and troubleshooting electrical and mechanical issues, identifying faulty components and ... generator or mechanical/electrical field service. * Strong knowledge of diesel and gas engine ...

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Diesel Generator Mechanic information

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How much do diesel generator mechanic jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for diesel generator mechanic in the United States is $34.32, according to ZipRecruiter salary data. Most workers in this role earn between $28.12 and $41.35 per hour, depending on experience, location, and employer.

What does a diesel generator mechanic do?

A Diesel Generator Mechanic is responsible for installing, maintaining, diagnosing, and repairing diesel-powered generators. Their duties include inspecting engine systems, troubleshooting issues, replacing faulty parts, and performing routine maintenance to ensure generators operate efficiently and reliably. They work in various settings, including hospitals, construction sites, and industrial facilities, where backup power is critical. Strong mechanical skills and knowledge of diesel engines and electrical systems are essential for this role.

What are the key skills and qualifications needed to thrive as a diesel generator mechanic?

To thrive as a Diesel Generator Mechanic, you need strong mechanical aptitude, diagnostic abilities, and experience with diesel engines, typically supported by a vocational certificate or relevant apprenticeship. Familiarity with diagnostic tools, multimeters, and manufacturer service manuals is crucial, and some roles may require certifications like ASE or factory-specific training. Attention to detail, problem-solving skills, and effective communication help mechanics deliver quality service and coordinate with clients or team members. These competencies ensure reliable generator operation, minimize downtime, and uphold safety and regulatory standards.

What are some common challenges faced by diesel generator mechanics on the job?

Diesel Generator Mechanics often encounter challenges such as troubleshooting complex engine issues under time pressure, especially during emergency power outages. They may also work in confined or noisy environments, requiring strict adherence to safety protocols. Additionally, staying updated with the latest diagnostic tools and evolving generator technologies is essential for effectively maintaining and repairing modern equipment. Teamwork is crucial, as mechanics frequently collaborate with electricians, engineers, and facility managers to ensure reliable power supply.

What is the difference between Diesel Generator Mechanic vs Generator Technician?

AspectDiesel Generator MechanicGenerator Technician
CertificationsASE certifications, diesel engine certificationsElectrical certifications, generator-specific training
Work EnvironmentIndustrial sites, power plants, construction sitesPower plants, industrial facilities, maintenance shops
Job FocusDiagnosing, repairing, and maintaining diesel generatorsInstalling, troubleshooting, and repairing various types of generators

While both roles involve working with generators, Diesel Generator Mechanics primarily focus on diesel-powered units, handling repairs and maintenance of diesel engines. Generator Technicians may work with a broader range of generator types, including gas and hybrid models. Both roles require technical skills and certifications, but Diesel Generator Mechanics often specialize in diesel engine systems, making them essential in industries relying on diesel power sources.

How to become a diesel generator mechanic?

To become a diesel generator mechanic, you typically need a high school diploma or equivalent, followed by technical training or an apprenticeship in diesel engine repair. Certification from organizations like the National Institute for Automotive Service Excellence (ASE) can improve job prospects, and hands-on experience with diesel engines and electrical systems is essential for success in this field.
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Diesel Generator Mechanic jobs near you
Infographic showing various Diesel Generator Mechanic job openings in the United States as of August 2026, with employment types broken down into 90% Full Time, 7% Part Time, 1% Contract, and 2% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $71,391 per year, or $34.3 per hour.

Diesel Generator Technician

Oklahoma City, OK • On-site

CENTRAL POWER SYSTEMS & SERVICES
Retail • 51 - 200 employees
Learn more about CENTRAL POWER SYSTEMS & SERVICESexternal

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago

Key responsibilities

  • Manage all aspects of critical power systems installation, start-up and commissioning.

  • Perform diagnostic and repair procedures on all systems including PLCs, AC/DC, and switch gears.

  • Perform scheduled maintenance on electric power generation equipment including gas and diesel engines, generators, and transfer switches.

Central Power Systems & Services rating

8.0

Company rating: 8.0 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

Job description

Position Title: Critical Power Technician
Reporting to: Service Manager
Department: Service
Central Power Systems & Services is a privately held company with deep roots going back to 1954. Our Mission Statement is forging long-lasting partnerships by providing first-class customer support. We live that statement every single day. We are looking for a Critical Power Technician to help support that mission.
Job Summary
We service all brands of emergency standby generators, as well as automatic transfer switches, switchgear, and other related accessories. The normal working shift is 7AM to 4PM. However, there may be occasions when field work is required and this may necessitate extended hours.
Ideally, we are looking for candidates who have some degree of prior experience with generator sets, diesel & gaseous engines, and industrial / commercial electrical distribution. However, more importantly, we are looking for technicians who want to grow their skills.
Responsibilities
  • Manage all aspects of critical power systems installation, start-up and commissioning.
  • Perform diagnostic and repair procedures on all systems including PLCs, AC/DC, and switch gears.
  • Perform scheduled maintenance on electric power generation equipment including gas and diesel engines, generators, and transfer switches.
  • Coordination with installing electrical contractors.
  • Oversee correction of issues arising from commissioning.
  • Become familiar with working off-site and with mining companies.
  • Testing and troubleshooting various sized generators.

Great Benefits
  • Competitive Salary
  • Boot Allowance
  • Tool Programs available for entry level technicians
  • Health Benefits including Medical, Dental, Vision and Life insurance
  • 401(k) with a company match
  • Paid Time Off + 7 Company Paid Holidays
  • Productive Work Environment with opportunity for internal growth

Qualifications
  • Flexibility and willingness to be On-Call, and able to work Overtime on occasion
  • Willingness and Ability to Travel Overnight
  • 2 Years experience with higher voltage Generator Maintenance (CAT, Kohler, Cummins equipment)
  • Electrical and mechanical knowledge of diesel-powered generators
  • Diagnostic Skills
  • 3+ Years Exp. Generator Maintenance
  • High school diploma or equivalent required
  • Graduation from a Technical School preferred
  • AAS Electrical Power Generator Tech a big Plus
  • Military Experience is a Plus

WORK CONDITIONS
Physical Demands/Work Environment:
This position regularly requires walking, standing, sitting, stooping, bending, kneeling and climbing stairs. It also often requires pushing, pulling, twisting, lifting 50+ lbs. and working in a variety of weather conditions and noise levels. This list is not meant to cover every possible scenario but simply provide an outline. Employees may be assigned other tasks as needed.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Candidates must be legally authorized to work in the United States. Employment eligibility will be verified at the time of hire.
CPS&S is a smoke-free and drug-free work environment. Employment offers are contingent upon successful completion of a background check and drug screen (including THC).

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