Diesel Technician

Job Description

Job Description

Diesel Technician / Mechanic

Dealership Opportunity
Location: South Brunswick, NJ

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

Why Campbell Supply?

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

What You’ll Do

• 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.

What We’re Looking For

• 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.

Shifts Available

We have multiple shift options to fit your schedule:

• Sun–Wed, 7:00am – 4:00pm

• Wed–Sat, 7:00am – 4:00pm

• Mon–Thu, 1:00pm – 11:30pm

• Tue–Fri, 1:00pm – 11:30pm

• Mon–Fri, 7:00am – 3:30pm

• Mon–Fri, 3:30pm – 11:30pm

Overtime opportunities available.

Pay & Benefits

• 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.

Sun–Wed, 7:00am – 4:00pm

Wed–Sat, 7:00am – 4:00pm

Mon–Thu, 1:00pm – 11:30pm

Tue–Fri, 1:00pm – 11:30pm

Mon–Fri, 7:00am – 3:30pm

Mon–Fri, 3:30pm – 11:30pm