1

Diesel Fitter Jobs (NOW HIRING)

Diesel Mechanic

Alvarado, TX · On-site

$22.50 - $29.75/hr

Replaces designated lube fittings and tires utilizing air tools and hand tools * Uses schematics ... Required Experience: * 2 years of Diesel Mechanic experience * DOT Certified Mechanic * Hands on ...

Diesel Mechanic

Conroe, TX · On-site

$21.50 - $28.25/hr

Replaces designated lube fittings and tires utilizing air tools and hand tools * Uses schematics ... Required Experience: * 2 years of Diesel Mechanic experience * DOT Certified Mechanic * Hands on ...

Fire Sprinkler Fitter

Marietta, GA · On-site

$24 - $36/hr

Fire pumps (electric and diesel) * Foam systems * Bonus skills (but not required for consideration): * * System knowledge of water mist systems and clean agent system Other Requirements: * NICET ...

Lead Diesel Mechanic

Chickasha, OK · On-site

$20.25 - $26.75/hr

If you're a skilled diesel mechanic who enjoys solving problems, leading by example, and keeping ... Regularly lift and/or move equipment and fittings up to 50 pounds * Push/pull up to 75 pounds

Lead Diesel Mechanic

Chickasha, OK · On-site

$20.25 - $26.75/hr

If you're a skilled diesel mechanic who enjoys solving problems, leading by example, and keeping ... Regularly lift and/or move equipment and fittings up to 50 pounds * Push/pull up to 75 pounds

Lead Diesel Mechanic

Chickasha, OK · On-site

$20.25 - $26.75/hr

If you're a skilled diesel mechanic who enjoys solving problems, leading by example, and keeping ... Regularly lift and/or move equipment and fittings up to 50 pounds * Push/pull up to 75 pounds

Lead Diesel Mechanic

Chickasha, OK · On-site

$20.25 - $26.75/hr

If you're a skilled diesel mechanic who enjoys solving problems, leading by example, and keeping ... Regularly lift and/or move equipment and fittings up to 50 pounds * Push/pull up to 75 pounds

Lead Diesel Mechanic

Chickasha, OK · On-site

$20.25 - $26.75/hr

If you're a skilled diesel mechanic who enjoys solving problems, leading by example, and keeping ... Regularly lift and/or move equipment and fittings up to 50 pounds * Push/pull up to 75 pounds

Diesel Mechanic

Carlin, NV · On-site

$24 - $31.75/hr

Maintain inventory of parts necessary to perform job (i.e., bulbs, gloves, fittings, etc ... Basic understanding of: internal combustion engines (both gas and diesel), DC electrical systems ...

New

The mechanic will disassemble and replace worn or broken parts, while fitting and adjusting new or ... Certified Diesel Mechanic or 3 to 5 years hands on experience * Has minimum hand tools for heavy ...

Completes basic coolant repairs (thermostat, water pump, hoses, fittings, radiator, etc ... Two years minimum experience as a diesel technician Minimum Qualifications: * Valid driver ...

2nd Shift Heavy Duty Diesel & Rollingstock Mechanic Starting at $33.80/hour Who We Are Thompson ... Replaces designated lube fittings and tires utilizing air tools and hand tools * Uses schematics ...

Mechanic

Bakersfield, CA · On-site

$16.90 - $20/hr

... fittings Inspecting and replacing bearings Insure the cleanliness of the shop High school diploma or GED certificate (preferred) Minimum 1 year experience with diesel engine repair Mechanical ...

Showing results 21-40

Diesel Fitter information

See salary details

$15

$28

$41

How much do diesel fitter jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for diesel fitter in the United States is $28.18, according to ZipRecruiter salary data. Most workers in this role earn between $20.91 and $35.34 per hour, depending on experience, location, and employer.

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

To thrive as a Diesel Fitter, you need strong mechanical aptitude, problem-solving skills, and technical knowledge of diesel engines and heavy machinery, typically backed by a relevant trade qualification or apprenticeship. Familiarity with diagnostic tools, engine management systems, and maintenance software is essential for efficient troubleshooting and repairs. Attention to detail, effective communication, and a safety-first mindset are important soft skills in this role. These abilities ensure reliable machinery performance, minimize downtime, and uphold workplace safety standards.

What are some common challenges diesel fitters face when working on-site compared to in a workshop?

Diesel Fitters working on-site often encounter challenges such as limited access to specialized tools, unpredictable weather conditions, and working in remote or confined locations. Unlike a controlled workshop environment, on-site repairs may require improvisation and quick problem-solving to minimize equipment downtime. Additionally, safety protocols are more critical on worksites due to the presence of heavy machinery and other operational hazards, making adaptability and strong communication skills especially important.

What is the difference between Diesel Fitter vs Heavy Vehicle Mechanic?

AspectDiesel FitterHeavy Vehicle Mechanic
CertificationsCert III in Mobile Plant Technology, Diesel Fitter certificationCert III in Heavy Vehicle Mechanical Technology, Diesel Fitter certification
Work EnvironmentWorkshops, construction sites, mining sitesWorkshops, transport depots, roadside
Industry UsageMining, construction, transportTransport, logistics, freight

Both Diesel Fitters and Heavy Vehicle Mechanics require similar certifications and often work in overlapping environments such as workshops and on-site locations. Diesel Fitters typically focus on the installation, repair, and maintenance of diesel engines and mobile plant equipment, while Heavy Vehicle Mechanics specialize in diagnosing and repairing heavy trucks and buses. The roles are closely related, with Diesel Fitters often working on more complex or specialized machinery, but both are essential in the transport and construction industries.

What does a diesel fitter do?

A diesel fitter is responsible for installing, repairing, and maintaining diesel engines and related equipment, often working on trucks, heavy machinery, and industrial vehicles. They use diagnostic tools, follow safety procedures, and may require certifications in mechanical or diesel technology. The role typically involves working in workshops or on-site in various industries such as transportation, construction, or agriculture.
More about Diesel Fitter jobs

What states have the most Diesel Fitter jobs?

States with the most job openings for Diesel Fitter jobs include:

What are popular job titles related to Diesel Fitter jobs?

For Diesel Fitter jobs, the most frequently searched job titles are:

Infographic showing various Diesel Fitter job openings in the United States as of September 2026, with employment types broken down into 94% Full Time, 4% Part Time, and 2% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $58,607 per year, or $28.2 per hour.

Diesel Mechanic

Alvarado, TX • On-site

Thompson Pipe Group
Construction • 501 - 1,000 employees

$22.50 - $29.75/hr

Full-time

Life, Retirement

Re-posted 11 days ago


Thompson Pipe Group rating

7.3

Company rating: 7.3 out of 10

Based on 5 frontline employees who took The Breakroom Quiz


Job description

Thompson Pipe Group is currently looking for an Industrial Diesel Mechanic:

Who We Are

Thompson Pipe Group is a privately held family business of engineers, contractors, and manufacturers based in Rialto, California. From humble beginnings, we built a family of products to meet the needs of all kinds of infrastructure. Each generation of products is better than the previous.

Thompson Pipe Group is now the largest and most diverse drainage, sanitary, pressure and trench-less pipe provider, with manufacturing locations across the country and serving not just the US but all of North America. Please visit our website at www.thompsonpipegroup.com

JOB SUMMARY

Under general supervision performs very specific skilled work. Maintains the plant’s mechanical, diesel, electrical, and electronic equipment. Welds to repair and fabricate components essential to production processes. Maintains and repair’s structure, piping, fixtures and equipment. Performs predictive and preventive maintenance. Performs other duties of a similar nature as may be required.


 Essential Functions:

  • Tasks and activities of company’s fleet auto repair shop, working on gas- and diesel-powered vehicles, trucks, and heavy equipment.
  • Performs preventive maintenance such as changing oil, greasing and replacing parts on a scheduled basis
  • Under supervision, replaces parts and performs minor repairs as necessary
  • Replaces designated lube fittings and tires utilizing air tools and hand tools
  • Uses schematics, service manuals and parts lists in setting up and performing repairs
  • Operate Fuel/Lube truck to deliver fuel/lube to equipment on site
  • Performs other duties as required
  • Performs all duties and activities in a manner that conforms to safety requirements
  • Maintain work area clean and safe work practices
  • Takes the initiative to get things done.
  • Checks, communicate and fill necessary fluids (battery, powering steering, and washer fluid)-replace all caps.


Required Experience:

  • 2 years of Diesel Mechanic experience
  • DOT Certified Mechanic
  • Hands on experience with lube, oil, filter, brakes, tire (auto, lt truck, commercial, and farm) preventative maintenance fluid flushes.
  • Locate, diagnose and repair mechanical malfunctions in gas and diesel-powered vehicles and equipment.
  • Ability to diagnose/troubleshoot regeneration systems
  • Ability to troubleshoot electrical systems
  • Must have experience using a standard/metric wrench and socket set, screwdriver s, hammer, impact gun and sockets, pry bar, alignment toe hooks, air hammer, tape measure, vise grips, torque bits, wheel bearing socket set, 12 volt test light, and oil filter tools to perform the duties of the GMT position
  • Must be able to lift 50 Lbs. easily
  • Lube tech: 1 year (Required)
  • Truck Tire Installer: 1 year (Required)
  • Must be able to provide your own tools

Work Environment

  • While performing the duties of this job, the employee is frequently exposed to fumes or airborne particles, moving mechanical parts and vibration. The noise level in the work environment can be loud.

Physical Demands

  • While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; talk or hear. The employee must occasionally lift or move products and supplies, up to 75 pounds.

Position Type/Expected Hours of Work

This is a full-time position.

What We Offer

  • Thompson offers a variety of benefit plans and a company-matched 401K retirement plan
  • Life and Supplement Life
  • Employee Discounts
  • Paid Holidays
  • Company Events
  • Training and Development
  • Career Advancement Opportunities



We are located at 800 County Rd 209 Alvarado TX 76009


 EOE/AA – M/F/Vet/Disability

Thompson Pipe Group is an Equal Opportunity Employer, and we pride ourselves on recruiting, employing, training, compensating, and promoting regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.


What Thompson Pipe Group employees say

Pay

Workplace

Get the full story on Breakroom