Diesel Technician / Mechanic

Campbell Supply Company
Monroeville, NJ

Job Description

Job Description

Diesel Technician / Mechanic

Day Shift Available
Location: South Brunswick NJ

Are you ready to take your diesel mechanic career to the next level? Join Campbell Supply, the largest Freightliner dealership in the Tri-State Area, where your skills are valued, and your career growth is supported!

About Us:

Campbell Supply is a family-owned dealership with a legacy dating back to 1967. With seven locations, we are a cornerstone in the commercial and emergency vehicle industries, providing exceptional service, quality products, and tailored solutions. Campbell Supply offers a range of commercial and emergency product lines, including Freightliner, Western Star, Isuzu, Spartan, and KME Emergency Vehicles.

At Campbell Supply, you'll gain access to Freightliner OEM Training, hands-on mentorship, and opportunities to grow into leadership roles within our seven-location network. Join a family-owned business where teamwork, respect, and innovation are at the heart of everything we do.

Diesel Technician Duties:
  • Diagnose, document, and repair engine, transmission, and major component fault codes using company-supplied laptops and OEM software while following proper warranty procedures.

  • Perform troubleshooting, service, and repair on all components as well as preventative maintenance and reconditioning.

  • Demonstrate well-developed technical and troubleshooting skills with effective problem-solving abilities.

  • Attend OEM and dealer training online as well as in-person when required.

Requirements:
  • 3+ years of experience as a diesel mechanic, fleet mechanic, or heavy equipment mechanic.

  • Formal training in diagnosing, repairing, and maintaining Class 3-7 vehicles is preferred but not required.

  • Excellent communication skills with the ability to effectively communicate with co-workers and drivers, demonstrating teamwork skills.

  • Ability to manage multiple functions simultaneously in a fast-paced environment with minimal supervision.

  • Participation in Continuous Improvement Initiatives and the DTNA Elite Support Program.

Shifts Available:

Monday-Friday 11am-8:00pm

  • Overtime opportunities available

Benefits:
  • Competitive compensation: $40,000 – $100,000 annually

  • Monthly Bonus Opportunities and Referral Program

  • Paid Vacation and Holidays

  • Comprehensive medical, vision, and dental insurance

  • 401(k) with a company-provided match after the 1st year

  • Employee discounts with preferred vendors

  • Company-provided uniform and laundry service

  • Career Advancement Opportunities with factory-provided intensive in-person and online training programs

Monday- Friday 8:30-4:30
Posted 2026-06-26

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