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Diesel Generator Maintenance Jobs (NOW HIRING)

Atlantic Detroit Diesel Allison

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Diesel Generator Techncian

Middletown, CT · On-site

$35 - $44/hr

In this role, you will be responsible for maintenance, diagnostics, repair and upgrades to power ... Working primarily on diesel and natural gas fired engines, generator ends, control systems, and ...

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D2B Groups

Diesel Generator Technician

Asbury Park, NJ · On-site

As a Generator Technician, you will be responsible for installing, maintaining, and repairing ... Work with diesel and natural gas engines * Work with Automatic Transfer Switches Requirements * 2+ ...

D2B Groups

Diesel Generator Technician

Asbury Park, NJ · On-site

As a Generator Technician, you will be responsible for installing, maintaining, and repairing ... Work with diesel and natural gas engines * Work with Automatic Transfer Switches Requirements * 2+ ...

D2B Groups

Diesel Generator Field Technician

Albany, GA · On-site

As a Generator Technician, you will be responsible for installing, maintaining, and repairing ... Work with diesel and natural gas engines * Work with Automatic Transfer Switches Requirements * 2+ ...

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Diesel Generator Maintenance information

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$9

$22

$50

How much do diesel generator maintenance jobs pay per hour?

As of Jul 20, 2026, the average hourly pay for diesel generator maintenance in the United States is $22.20, according to ZipRecruiter salary data. Most workers in this role earn between $15.38 and $24.76 per hour, depending on experience, location, and employer.

What is a Diesel Generator Maintenance job?

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 key skills and qualifications needed to thrive in the Diesel Generator Maintenance position, 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.

How much does a generac tech make?

A diesel generator maintenance technician, including those working on Generac equipment, typically earns between $40,000 and $70,000 annually, depending on experience, certifications, and location. Skilled technicians with certifications like EPA or manufacturer-specific training may earn higher wages, especially in areas with high demand for maintenance services.

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.

How much does it cost to maintain a diesel generator?

The cost for diesel generator maintenance varies depending on size, usage, and location but typically ranges from $200 to $1,000 annually. Regular tasks include oil changes, filter replacements, and inspections, often performed by trained technicians with proper certifications.

Is generator technician a good career?

A generator technician specializes in maintaining and repairing diesel generators, which are essential for backup power in various industries. The role typically requires technical skills, certifications, and the ability to work in challenging environments, offering stable employment opportunities. It can be a good career for those interested in mechanical systems and electrical work with potential for advancement and steady demand.

How many hours do you service a diesel generator?

Diesel generator maintenance typically involves servicing every 250 to 500 operating hours or at least once a year, whichever comes first. The specific interval depends on the generator's usage, environment, and manufacturer recommendations, and maintenance tasks include oil changes, filter replacements, and system inspections performed by trained technicians.
More about Diesel Generator Maintenance jobs
What states have the most Diesel Generator Maintenance jobs? States with the most job openings for Diesel Generator Maintenance jobs include:
What job categories do people searching Diesel Generator Maintenance jobs look for? The top searched job categories for Diesel Generator Maintenance jobs are:
Diesel Generator Maintenance jobs near you
Infographic showing various Diesel Generator Maintenance job openings in the United States as of July 2026, with employment types broken down into 1% Locum Tenens, 94% Full Time, 4% Part Time, and 1% Nights. Highlights an 100% Physical job distribution, with an average salary of $46,178 per year, or $22.2 per hour.
Diesel Generator Techncian

Diesel Generator Techncian

Atlantic Detroit Diesel Allison

Middletown, CT • On-site

$35 - $44/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

New

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Job description

Good day!


We are currently seeking a Generator Technician for our facility located in Middletown, CT. In business for over 60 years, we are looking to add to our team. Super organization. Employee oriented with a family feel environment. Direct Hire opportunity offering competitive salary and robust benefits.


In this role, you will be responsible for maintenance, diagnostics, repair and upgrades to power generation and industrial equipment at customer locations. Working primarily on diesel and natural gas fired engines, generator ends, control systems, and power transfer switches/circuit breakers.


Experience with ATS, Load Bank Testing and Parallel Units. MTU generator experience highly desirable.


If interested in learning more, I can be reached at 954/579-7000.

Company Description

The core capability of Atlantic Detroit Diesel-Allison (ADDA) is the sale and expert service of diesel and alternative-fuel engines, transmissions, power-generation systems, and a wide range of related products, components, parts and accessories.
It is this range of solutions that keep our customers’ vehicles and other critical equipment running at maximum efficiency.
Atlantic Detroit Diesel-Allison represents the most respected brands in the business — names like: Detroit, mtu, Mercedes-Benz, Allison Transmission, Volvo Penta, and more. ADDA also provides comprehensive service for a variety of equipment in both on- and off-highway markets: medium- and heavy-duty trucks, buses and coaches; fire and emergency vehicles; power-generation systems; marine propulsion and support equipment for both commercial vessels and pleasure craft; and construction and industrial machinery.
The world depends on the equipment that depends on us.