Diesel Jobs in Mississauga, ON

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.

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

• 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

Learn more about our full US 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 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.

Compensation Range:

$23.60 - $47.95