Diesel Technician

Overview

Pay Range: $25 – $45 per hour (based on experience)

Why Campbell Supply?

Diesel Technician / Mechanic

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.

We’re a family-owned business since 1967 with seven locations across New Jersey, specializing in commercial and emergency vehicles including Freightliner, Western Star, Isuzu, Spartan, and KME Emergency Vehicles
.

At Campbell Supply, you’ll have access to:

• Monthly Bonus Opportunities
• Freightliner OEM Training (in-person and online)
• Hands-on mentorship and leadership development opportunities
• A family-driven culture built on teamwork, respect, and innovation

• Diagnose, document, and repair engines, transmissions, and major components using company-supplied laptops and OEM software.
• Perform troubleshooting, service, preventative maintenance, and reconditioning.
• Follow proper warranty procedures and complete required documentation.
• Attend OEM and dealer training (online and in-person).
• Collaborate with drivers and co-workers to get the job done right.

• 3+ years’ experience as a diesel mechanic, fleet mechanic, or heavy equipment mechanic.
• Formal training in diagnosing and repairing Class 3–7 vehicles preferred.
• Strong problem-solving and troubleshooting skills.
• Excellent communication and teamwork abilities.
• Ability to work independently in a fast-paced environment.
• Willingness to participate in continuous improvement and DTNA Elite Support initiatives.

• Competitive pay: $40,000 – $100,000+ annually
• Monthly Bonus Opportunities & Referral Program
• Paid Vacation & Holidays
• Medical, Dental & Vision Insurance
• 401(k) with Company Match (after 1 year)
• Company-paid uniforms & laundry service
• Employee discounts with preferred vendors
• Career advancement through ongoing OEM training

Apply Today and join a team where your skills matter and your career has room to grow.