Senior Heavy-Duty Diesel Technician — Diagnostics & PM

CARZ R US LLC; Mesa (AZ); On-site; USD 41,000 - 55,000; Full time

Job summary

Ashur Logistics LLC is seeking a highly experienced Heavy-Duty Diesel Mechanic to maintain and repair our fleet of five semi-trucks in Mesa, AZ. The ideal candidate will have extensive hands-on experience with diesel engines, heavy-duty truck diagnostics, electrical systems, air brakes, and preventive maintenance.

We are looking for a mechanic who can work independently, diagnose problems accurately, perform high-quality repairs, and minimize truck downtime.

Qualifications

• Extensive experience repairing semi-trucks and heavy-duty diesel engines.
• Strong diagnostic and troubleshooting skills.
• Knowledge of transmissions, differentials, air brakes, electrical systems, and DPF/DEF aftertreatment.
• Ability to perform preventive maintenance and safety inspections.
• ASE certifications or equivalent credentials preferred.
• CDL is a plus.
• Dependability, professionalism, and safety-focused mindset.

Responsibilities

• Maintain and repair a fleet of five semi-trucks.
• Diagnose and troubleshoot mechanical, electrical and hydraulic issues.
• Perform preventive maintenance and safety inspections.
• Minimize downtime and ensure road-ready condition.

Skills

Diesel engines

Heavy-duty diagnostics

Electrical systems

Air brakes

Preventive maintenance

Transmissions

Differentials

DPF/DEF aftertreatment

ASE certifications

CDL license

Job description

Ashur Logistics LLC is seeking a highly experienced Heavy-Duty Diesel Mechanic to maintain and repair our fleet of five semi-trucks in Mesa, AZ. The ideal candidate will have extensive hands-on experience with diesel engines, heavy-duty truck diagnostics, electrical systems, air brakes, and preventive maintenance.

We are looking for a mechanic who can work independently, diagnose problems accurately, perform high-quality repairs, and minimize truck downtime.