Diesel Mechanic

United Rentals•Martinez, CA

About The Position

As a Diesel Mechanic (Service Tech III) at United Rentals, you will perform maintenance and repairs on complex rental equipment safely and professionally. The role provides opportunities to develop toward higher Service Technician levels and leadership roles in the Service Department. You will also provide exceptional customer service to customers. The position is designated Safety Sensitive under United Rentals’ policies and procedures.

Requirements

  • High school diploma or equivalent.
  • Valid driver’s license with an acceptable driving record.
  • 3–5 years of experience repairing or 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 and written communication skills.
  • Ability to frequently lift items weighing up to 45 lbs.

Responsibilities

  • Safely maintain and repair complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems.
  • Assist in training lower-level technicians as needed.
  • Complete and maintain paperwork or electronic documentation of work performed, including work orders, accurately and on time each day.
  • Travel to customer job sites when required to repair or maintain rental or customer-owned equipment.
  • Keep the service vehicle clean and professional.
  • Assist with equipment and parts pickup and delivery.
  • Perform other duties as assigned.

Benefits

  • Paid parental leave
  • United Compassion Fund
  • Employee discount program
  • Career development and promotional opportunities
  • Additional vacation buy-up program (US only)
  • Early wage access through Payactiv (US hourly only)
  • Paid sick leave
  • Health and financial plans
  • Inclusive and welcoming culture
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service