Diesel Technician – Heavy-Duty Truck Diagnostics & Repair

Saia Motor Freight Line LLC; Houston (TX); On-site; USD 45,000 - 51,000; Full time

Job summary

Saia Motor Freight Line LLC is seeking a diesel mechanic to perform maintenance and repair on heavy trucks. The role requires diagnosing mechanical, electrical, and exhaust issues, and assisting with engine and transmission work on class 6–8 tractors.

Candidates should have 2+ years of diesel experience, be proficient with diagnostic software, and possess a high school diploma or GED. Excellent physical stamina and the ability to work with tools are essential.

Qualifications

• Must be at least 18 years old.
• High school diploma or GED or equivalent.
• Authorized to work in the United States.
• Ability to read, write, and communicate in English for job tasks and documentation.

Responsibilities

• Repairs and maintains systems and parts on class 6, 7, and 8 tractors.
• Diagnoses failures and repairs mechanical, electrical, and exhaust systems.
• Uses hydraulic jacks to access underneath vehicles and assists in engine, transmission, differential, and spring replacements.
• Tests vehicles after repairs to ensure proper functioning.
• Documents inspections, repairs, and maintenance tasks; collaborates with partners for training and complex tasks.

Skills

Diesel mechanic experience

English literacy

Diagnostic awareness

Education

High school diploma or GED

Tools

Diagnostic software

Personal maintenance tools

Job description

Saia Motor Freight Line LLC is seeking a diesel mechanic to perform maintenance and repair on heavy trucks. The role requires diagnosing mechanical, electrical, and exhaust issues, and assisting with engine and transmission work on class 6–8 tractors.

Candidates should have 2+ years of diesel experience, be proficient with diagnostic software, and possess a high school diploma or GED. Excellent physical stamina and the ability to work with tools are essential.