Heavy Duty Truck and Trailer Technician

Southern Tire Mart; Tucson (AZ); On-site; USD 28,000 - 41,000; Full time

Benefits offered by this job

Competitive hourly pay

401(k) with company match

Health, Dental, Vision, Life Insurance

Paid on-the-job training

Career growth opportunities

Job summary

Southern Tire Mart is seeking a diesel mechanic to diagnose and repair brakes, HVAC, drivetrains, and electrical systems on semi-trucks and trailers. You will perform PM inspections, fleet checks, and servicing, including tire work and TPMS tasks.

You will operate diagnostic tools, maintain detailed records, and respond to roadside service calls with flexibility for evenings, weekends, and overtime as needed. A valid license and physical ability to lift heavy tires are required.

Qualifications

• High school diploma or equivalent; trade school certification is a plus.
• Prior experience as a diesel mechanic or heavy truck mechanic preferred.
• Strong mechanical knowledge and problem-solving ability.
• Must be able to lift/move tires and equipment (30–250 lbs).
• Valid driver's license with clean driving record.
• Willingness to work in varying conditions and flexible hours, overtime possible.

Responsibilities

• Diagnose and repair mechanical systems on semi-trucks and trailers (brakes, HVAC, drivetrains, electrical).
• Perform preventive maintenance inspections and fleet inspections.
• Operate diagnostic tools to troubleshoot issues.
• Perform tire-related services and TPMS maintenance.
• Maintain detailed records of work performed and safety compliance.
• Respond to roadside service calls and assist with inventory and shop organization.
• Complete other duties as assigned.

Skills

Mechanical knowledge

Problem solving

Lifting ability

Reliable transportation

Education

High school diploma or equivalent

Trade school certification

Tools

Diesel diagnostic tools

Job description

Diagnose and repair mechanical systems on semi-trucks and trailers, including:

Brakes

HVAC systems

Drivetrains

Electrical systems

Preventative Maintenance (PM) inspections

Conduct fleet inspections and perform scheduled maintenance.

Operate diagnostic tools and equipment to troubleshoot issues accurately.

Perform tire-related services as needed (mounting, balancing, repairing).

Use and maintain Tire Pressure Monitoring Systems (TPMS).

Maintain detailed records of work performed.

Adhere to all safety guidelines, company policies, and DOT regulations.

Respond to roadside service calls using a company service truck when required.

Assist with parts inventory and shop organization.

Complete other duties as assigned.

Qualifications:

High school diploma or equivalent (trade school certification a plus).

Prior experience as a diesel mechanic, fleet technician, or heavy truck mechanic preferred.

Strong mechanical knowledge and problem-solving ability.

Must be able to lift/move tires and equipment (30–250 lbs., with or without mechanical aids).

Valid driver's license with clean driving record.

Willingness to work in varying conditions (weather, noise, physical demands).

• Must be available to work flexible hours, including evenings, weekends, and holidays.
• Overtime maybe required.

• Competitive hourly pay (based on experience)
• 401(k) with company match
• Health, Dental, Vision, and Life Insurance
• Paid, on-the-job training
• Career growth opportunities within a national leader in commercial fleet services

Why Join Southern Tire Mart?

Nationwide footprint with over 250+ locations

Work with industry-leading brands and technology

Join a team where mechanics are respected, well-equipped, and valued

#INDEEDSSVTM

Equal Opportunity Employer
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