Diesel Mechanic Jobs
Diesel Mechanic jobs are open across trucking, construction, agriculture, transit, and the military, from entry-level lube technicians to master technicians and fleet supervisors, with specializations in hydraulics, emissions systems, and preventive maintenance. Find a role that fits below and apply directly.
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Showing 5 of 1,037+ Diesel Mechanic jobs
Great company. Great people. Great opportunities.
If you’d like the chance to make your mark with the world’s largest equipment rental provider, come build your future with United Rentals!
As a Diesel Mechanic - Experienced (Service Tech IV), you’ll use your skills to perform maintenance and repairs of complex equipment with limited or no supervision in a highly skilled, safe, and professional manner. Every day, you can improve and challenge yourself, and if you have the desire and ambition, you’ll have the potential to work towards leadership roles in our Service Department. Like every member of our team, we will rely on you to provide exceptional customer service to our customers.
What you'll do:
Maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer equipment and tools while using a high degree of independent judgment
When required, travel to customer job sites for repair/maintenance of rental or customer owned equipment; must maintain service vehicle in a clean and professional manner
Assist in the training of lower level technicians as needed
Maintain paperwork/electronic documentation of work performed (work orders) in a complete and timely manner on a daily basis
Assist with pick-up and delivery of equipment & parts
Other duties assigned as needed
Requirements:
High School diploma or equivalent
Valid driver's license with acceptable driving record
5+ years of experience repairing/maintaining equipment and tools
Advanced mechanical aptitude and working knowledge of tools
Extensive knowledge of construction equipment with an advanced understanding of schematics and diagrams
Must own tools applicable to position
Superior customer service, teamwork and verbal/written communication skills
Ability to frequently lift items up to 45 lbs.
This position is deemed Safety Sensitive for purposes of United Rentals’ policies and procedures.
Why join us?
We don’t just “talk the talk!” We’re an award-winning company (recently named a Glassdoor Best Place to Work in 2026) that truly cares about our people - That’s why we offer best-in-class benefits and perks that will support you and your family. In addition to our health and financial plans, we also offer:
Paid Parental Leave
United Compassion Fund
Employee Discount Program
Career Development & Promotional Opportunities
Additional Vacation Buy Up Program (US Only)
Early Wage Access through Payactiv (US Hourly Only)
Paid Sick Leave
An inclusive and welcoming culture
Explore our comprehensive U.S. benefit offerings
For Canadian benefits, click here
United Rentals, Inc. is an Equal Opportunity Employer and makes employment decisions regardless of race, color, religion, sex, national origin, age, genetic information, citizenship status, veteran status, sexual orientation, gender identity, disability, or any other status protected by law. If you need a reasonable accommodation at any point of the application process, please email careers@ur.com for assistance.
At United Rentals, we proudly hire active duty members, veterans, reservists, and their families. The values that define your service—leadership, discipline, integrity, and teamwork—are the same values that drive our success. With many veterans already part of our team, we’re ready to help you transition into a rewarding career.
United Rentals consists of a wide variety of roles with different duties and responsibilities. The actual pay rate offered to candidates varies depending upon a wide range of factors including specific position, location, education, training, experience, skills, and ability.
Great company. Great people. Great opportunities.
If you’d like the chance to make your mark with the world’s largest equipment rental provider, come build your future with United Rentals!
As a Diesel Mechanic - Experienced (Service Tech IV), you’ll use your skills to perform maintenance and repairs of complex equipment with limited or no supervision in a highly skilled, safe, and professional manner. Every day, you can improve and challenge yourself, and if you have the desire and ambition, you’ll have the potential to work towards leadership roles in our Service Department. Like every member of our team, we will rely on you to provide exceptional customer service to our customers.
What you'll do:
Maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer equipment and tools while using a high degree of independent judgment
When required, travel to customer job sites for repair/maintenance of rental or customer owned equipment; must maintain service vehicle in a clean and professional manner
Assist in the training of lower level technicians as needed
Maintain paperwork/electronic documentation of work performed (work orders) in a complete and timely manner on a daily basis
Assist with pick-up and delivery of equipment & parts
Other duties assigned as needed
Requirements:
High School diploma or equivalent
Valid driver's license with acceptable driving record
5+ years of experience repairing/maintaining equipment and tools
Advanced mechanical aptitude and working knowledge of tools
Extensive knowledge of construction equipment with an advanced understanding of schematics and diagrams
Must own tools applicable to position
Superior customer service, teamwork and verbal/written communication skills
Ability to frequently lift items up to 45 lbs.
This position is deemed Safety Sensitive for purposes of United Rentals’ policies and procedures.
Why join us?
We don’t just “talk the talk!” We’re an award-winning company (recently named a Glassdoor Best Place to Work in 2026) that truly cares about our people - That’s why we offer best-in-class benefits and perks that will support you and your family. In addition to our health and financial plans, we also offer:
Paid Parental Leave
United Compassion Fund
Employee Discount Program
Career Development & Promotional Opportunities
Additional Vacation Buy Up Program (US Only)
Early Wage Access through Payactiv (US Hourly Only)
Paid Sick Leave
An inclusive and welcoming culture
Explore our comprehensive U.S. benefit offerings
For Canadian benefits, click here
United Rentals, Inc. is an Equal Opportunity Employer and makes employment decisions regardless of race, color, religion, sex, national origin, age, genetic information, citizenship status, veteran status, sexual orientation, gender identity, disability, or any other status protected by law. If you need a reasonable accommodation at any point of the application process, please email careers@ur.com for assistance.
At United Rentals, we proudly hire active duty members, veterans, reservists, and their families. The values that define your service—leadership, discipline, integrity, and teamwork—are the same values that drive our success. With many veterans already part of our team, we’re ready to help you transition into a rewarding career.
United Rentals consists of a wide variety of roles with different duties and responsibilities. The actual pay rate offered to candidates varies depending upon a wide range of factors including specific position, location, education, training, experience, skills, and ability.
Diesel Mechanic Jobs by Experience Level
See All 1,037+ Diesel Mechanic Jobs
Find roles that match your experience and apply in just a few clicks.
Find Diesel Mechanic JobsDiesel Mechanic Job Market
Who's Hiring
- Cox Fleet (Part of Cox Enterprises)72
- Rush Enterprises64
- Cox Automotive62
- United Rentals52
- TravelCenters of America40
Top Industries Hiring
- Consulting & Professional Services20
- Waste Management & Environmental Services10
- Manufacturing5
- Trucking4
- Chemicals & Materials3
What Employers Look For
The qualifications that appear most often in diesel mechanic jobs.
- 1-3 years of hands-on diesel engine repair and preventive maintenance experience
- ASE certification in medium or heavy truck systems, or willingness to certify
- Proficiency with diagnostic software such as Insite, JPRO, or Detroit Diagnostic Link
- Ability to read and interpret electrical schematics and hydraulic diagrams
- Valid commercial driver's license or ability to obtain one within a set timeframe
- Completion of a vocational diesel technology program or equivalent trade school training
Tips for Your Diesel Mechanic Job Search
List every certification you hold
ASE certifications, CDL endorsements, and manufacturer-specific training from Cummins, Detroit, or Paccar all belong on your resume. Many applicants skip manufacturer credentials, but fleet employers often screen for them before reading anything else.
Match your resume to the fleet type
A resume built around over-the-road tractor-trailers reads differently to a construction equipment fleet manager. Tailor your listed makes, models, and diagnostic tools to the fleet you're targeting so your experience lands immediately.
Apply early to roles that fit
Migrate Mate lists diesel mechanic openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Call out diagnostic software by name
Employers scanning resumes want to see specific tools: Insite, ServiceLink, JPRO, or Detroit Diagnostic Link. Listing only 'diagnostic software' tells them nothing. Name every platform you've used and the systems you diagnosed with it.
Prepare a hands-on skills walkthrough
Most diesel mechanic interviews include a shop tour or a verbal teardown of a recent repair. Practice explaining a complex job, like a full injector replacement or a DPF regen failure diagnosis, step by step without jargon, so the hiring manager can follow your process.
Negotiate shift differential before accepting
Many diesel shops run night and weekend shifts at a higher rate than base pay. Ask about differential pay, tool allowances, and uniform coverage during the offer stage, not after you've accepted, because those items rarely come up unless you raise them.
Diesel Mechanic Jobs: Frequently Asked Questions
Which companies are hiring the most diesel mechanics?
Cox Fleet (Part of Cox Enterprises), Rush Enterprises, and Cox Automotive are hiring the most diesel mechanics right now, with openings concentrated in Texas, Florida, and Colorado, based on current listings on Migrate Mate as of August 2026. Fleet size and seasonal demand drive most of the hiring volume at these employers.
How many diesel mechanic jobs are remote?
About 1% of diesel mechanic openings are fully remote or hybrid as of August 2026, since most of the work requires physical access to vehicles and equipment. The sub-areas most likely to include remote components are technical training roles, warranty administration, and remote diagnostic support positions at larger fleet operators.
How do you become a diesel mechanic?
Start by completing a diesel technology program at a vocational school or community college, which typically covers engine systems, electrical diagnostics, and drivetrain repair. After graduation, entry-level shop jobs or apprenticeships give you hands-on hours. From there, earning ASE certifications in the systems you work on most builds your credibility with employers and opens doors to higher-paying roles.
Can you get hired as a diesel mechanic with little experience?
Yes, many shops hire entry-level technicians as lube techs or preventive maintenance helpers and train them on the job. Your best angle is completing a diesel vocational program, holding any ASE student certifications you earned during training, and being upfront about the specific makes and systems you worked on during coursework or personal projects. Smaller independent shops and municipal fleets are often more open to developing new technicians than large national carriers.
What does the diesel mechanic interview process look like?
Most diesel mechanic interviews start with a phone screen from HR or a shop foreman covering your experience, certifications, and availability. An in-person interview usually follows, often including a walk through the shop floor where you may be asked to identify tools, explain a past repair, or describe how you would diagnose a specific fault code. Some employers add a short written or computer-based diagnostic assessment before extending an offer.
Where can I find and apply to diesel mechanic jobs?
You can find and apply to diesel mechanic jobs on Migrate Mate, which lists current openings from across the United States. Find roles that match your experience and certifications and apply directly to each listing from the same page.
See All 1,037+ Diesel Mechanic Jobs
Find roles that match your experience and apply in just a few clicks.
Find Diesel Mechanic Jobs