WORKFORCE SERVICES INCVerified Source

Diesel Mechanic, Fleet & Field Service | Diesel & Gas Trucks

83K–104K
Onsite · Portland, Oregon
Posted August 14, 2026
full-time

Overview

Own the maintenance and repair of diesel and gas fleet vehicles at scale for a Portland-based operation. You’ll diagnose, service, and repair trucks, vans, and medium to heavy duty vehicles across shop and field environments. This role offers stable hours, competitive pay, and opportunity for growth within a national organization. You’ll work with a dedicated team focused on safety, reliability, and great customer service.

What You'll Do5

  • 1Build and diagnose diesel and gas truck maintenance plans that reduce downtime and improve fleet reliability
  • 2Perform preventive maintenance and DOT inspections to meet regulatory standards
  • 3Execute test drives and calibrate systems to achieve optimal performance
  • 4Maintain accurate service records and manage shop equipment to ensure organized workflows
  • 5Conduct field repairs in varying weather conditions to support on-site operations

Requirements5

  • 13-4 years' experience as a diesel or fleet mechanic
  • 2GED or High School Diploma
  • 3Valid driver's license and own tool
  • 4Must pass background check
  • 5Strong accountability and customer service mindset

Salary Insight

$83 - $104k per year

Location

Typeonsite
LocationPortland, Oregon

Required Skills

Diesel engine repairPreventive maintenanceDOT inspectionsVehicle diagnosticsTest drivingShop equipment management
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