Diesel Mechanic Jobs in Maryland

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 Field Diesel Mechanic (Service Tech III - Field Service), 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
• 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
• 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.

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, education, training, experience, skills, and ability.

Compensation Range:

$29.80 - $44.65