Mid Level Diesel Mechanic Jobs
Mid level diesel mechanic jobs go to technicians ready to diagnose complex failures independently, take ownership of repair workflows, and guide less experienced mechanics without waiting to be directed. These roles are almost entirely on-site, concentrated in Transportation & Logistics, Staffing & Recruiting, and Waste Management & Environmental Services, with employers like United Rentals, First Student, and Jobot hiring at this level now.
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INTRODUCTION
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!
ROLE AND RESPONSIBILITIES
As a Diesel Mechanic (Service Tech III), you’ll use your skills to perform maintenance and repairs on complex equipment in a 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 higher levels of Service Technician and 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:
- Safe maintenance and repair of a variety of complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems
- 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
- 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 with pick-up and delivery of equipment & parts
- Other duties assigned as needed
BASIC QUALIFICATIONS
- High School diploma or equivalent
- Valid driver's license with acceptable driving record
- 3-5 years of experience repairing/maintaining equipment and tools
- Advanced mechanical aptitude and working knowledge of tools
- Strong mechanical background knowledge of various engines
- 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.
PREFERRED QUALIFICATIONS
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.
See All 57 Mid Level Diesel Mechanic Jobs
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Find JobsMid Level Diesel Mechanic Job Market
Who's Hiring
- United Rentals32

- First Student6

- Jobot5

- Ryder System3

- Republic Services2

Top Industries Hiring
- Transportation & Logistics
- Staffing & Recruiting
- Waste Management & Environmental Services
- Distribution & Wholesale
- Chemicals & Materials
Mid Level Diesel Mechanic Jobs: Frequently Asked Questions
How do I get a mid level diesel mechanic job?
Position your application around diagnostic independence and repair ownership, not just task completion. Highlight experience with specific systems like fuel injection, DEF systems, or hydraulics, and call out situations where you diagnosed a failure others missed or managed a repair from teardown to road test without supervision. Certifications like ASE Medium or Heavy Truck strengthen your profile significantly at this level.
Which companies hire mid level diesel mechanics?
Companies hiring mid level diesel mechanics right now include United Rentals, First Student, and Jobot, based on current listings on Migrate Mate as of September 2026. Hiring at this level is broad, pulling from fleet operators, equipment rental companies, freight carriers, and municipalities that need technicians who can work through complex repairs without constant direction.
Are there remote mid level diesel mechanic jobs?
Yes, though the role is primarily hands-on work. About 0% of mid level diesel mechanic openings are remote or hybrid as of September 2026, typically covering field service roles where technicians travel to job sites rather than reporting to a fixed shop. Remote work in a traditional shop setting is not a realistic expectation for this trade.
How do I move up to a mid level diesel mechanic role?
The path from entry level to mid level is built on taking ownership beyond assigned tasks. Technicians who advance fastest seek out diagnostic work early, volunteer to lead repairs on unfamiliar systems, and document what they learn. Completing ASE certifications in relevant categories and consistently closing repair orders with clean documentation signals readiness to employers evaluating you for more responsibility.
Which industries hire the most mid level diesel mechanics?
Mid Level diesel mechanic roles concentrate in Transportation & Logistics, Staffing & Recruiting, and Waste Management & Environmental Services, based on current listings on Migrate Mate as of September 2026. These sectors rely on large, mixed-age fleets that require technicians capable of handling both routine maintenance and complex, unscheduled repairs without heavy supervision.