Diesel Mechanic

3M HEALTHCARE; Irving (TX); On-site; USD 52,000 - 70,000; Full time

Benefits offered by this job

Paid Parental Leave

Employee Discount Program

Career Development & Promotional Op.

Paid Sick Leave

Comprehensive U.S. benefit offerings

Early Wage Access

Job summary

United Rentals is seeking a Diesel Mechanic (Service Tech III) to safely maintain and repair complex rental equipment, including diesel systems, across customer sites. You will train junior technicians and ensure accurate work orders while upholding safety standards.

The role emphasizes strong mechanical skills, tool ownership, and excellent customer service. Opportunity for growth within the Service Department and leadership roles.

Qualifications

• 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 the position.
• Superior customer service, teamwork, and verbal/written communication skills.

Responsibilities

• 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).
• When required, travel to customer job sites for repair/maintenance of rental or customer-owned equipment; maintain service vehicle.

Skills

Advanced mechanical knowledge

Tool ownership

Customer service

Teamwork

Communication

Lifting 45 lbs

Education

High School diploma or equivalent

Job description

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 (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 toward 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 and parts.

Other duties assigned as needed.

Requirements

• 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 the position
• Superior customer service, teamwork, and verbal/written communication skills
• Ability to frequently lift items up to 45 lbs.

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
• Comprehensive U.S. benefit offerings

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 [e-mail] for assistance.

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.