Heavy Duty Truck and Trailer Technician

Southern Tire Mart; Mercedes (TX); On-site; USD 28,000 - 44,000; Full time

Benefits offered by this job

Health, dental, vision, life insurance

401(k) with company match

Paid on-the-job training

Career growth opportunities

Job summary

Southern Tire Mart is seeking a Heavy Duty Truck and Trailer Technician in Texas to diagnose and repair mechanical systems on semi-trucks and trailers. This on-site role covers brakes, drivetrains, electrical systems, and preventive maintenance, with a focus on safety and DOT compliance.

You will operate diagnostic tools, perform tire-related services, and respond to roadside calls. A valid license and willingness to work flexible hours are required; 401(k) and comprehensive benefits are

Qualifications

• High school diploma or equivalent (trade school certification a plus).
• Prior experience as a diesel mechanic or heavy truck technician preferred.
• Strong mechanical knowledge and problem-solving ability.
• Must lift/move tires and equipment (30–250 lbs).
• Valid driver's license with clean driving record.

Responsibilities

• Diagnose and repair mechanical systems on semi-trucks and trailers.
• Perform PM inspections and fleet inspections.
• Operate diagnostic tools to troubleshoot issues.
• Perform tire-related services and TPMS maintenance.
• Respond to roadside service calls and assist with parts inventory.
• Complete other duties as assigned.

Skills

Diesel mechanic

Fleet maintenance

Troubleshooting

Manual labor capable

Education

High school diploma or equivalent

Trade school certification a plus

Job description

Heavy Duty Truck and Trailer Technician 670P TX

Job Category: Service

Requisition Number: HEAVY004538

• Posted : October 12, 2026
• Full-Time
• On-site

Locations

Showing 1 location

Description

Key Responsibilities:

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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