Diesel Technician – Heavy-Duty Trucks & RV Diagnostics

Southwest Truck & RV; Ash Fork (AZ); On-site; USD 90,000 - 115,000; Full time

Benefits offered by this job

Health insurance

Paid vacation days

Personal day

Sick days

Paid holidays

Paid training

ASE reimbursement

Employee discounts

Sign-on bonus

Relocation assistance

Job summary

Southwest Truck & RV is seeking an experienced Diesel Technician to diagnose complex failures with minimal supervision and develop robust repair plans. This role covers engines and chassis work on Class 7 & 8 trucks, RVs, trailers, and Onan generators, with emphasis on accuracy and quality on every job.

The ideal candidate brings strong diesel diagnostics, electrical skills, and hands-on experience with Powerstroke, Duramax and Cummins, plus independent work style and good communication.

Qualifications

• Strong diesel diagnostic and repair experience.
• Strong electrical and diagnostic skills.
• Experience with Powerstroke, Duramax and Cummins.
• Heavy-duty truck and/or RV experience.
• Experience with injectors, turbos, fuel systems, HVAC, brakes, steering/suspension and drivability concerns.
• Preventive maintenance and inspection experience.
• Ability to work independently and efficiently.
• Good documentation and communication skills.
• Dependable, organized and accountable.
• Own professional technician tools.
• ASE certifications are a plus, but not required.
• CDL is a plus but not a requirement.

Responsibilities

• Diagnose complex failures with little supervision and develop repair plans.
• Complete quality repairs correctly the first time.
• Work on gas-powered vehicles, light-duty diesels, Class 7 & 8 trucks, RVs, trailers, and Onan generators.
• Maintain clear documentation and communication with the team.
• Utilize proper shop equipment and tools to complete repairs.

Skills

Diesel diagnostics

Electrical systems

Powerstroke

Duramax

Cummins

Heavy-duty trucks

RV experience

Drivability issues

Documentation

Communication

Independent work

Tool ownership

ASE certification

CDL preferred

Tools

Diagnostic tools

Electrical testing

Job description

Southwest Truck & RV is seeking an experienced Diesel Technician to diagnose complex failures with minimal supervision and develop robust repair plans. This role covers engines and chassis work on Class 7 & 8 trucks, RVs, trailers, and Onan generators, with emphasis on accuracy and quality on every job.

The ideal candidate brings strong diesel diagnostics, electrical skills, and hands-on experience with Powerstroke, Duramax and Cummins, plus independent work style and good communication.