Diesel Technician - Heavy-Duty Truck Diagnostics

Saia Inc.; Chicago (IL); On-site; USD 48,000 - 54,000; Full time

Job summary

Saia Inc. is seeking a diesel mechanic to perform maintenance, repairs and diagnostics on large trucks and equipment. You will diagnose issues across mechanical, electrical and exhaust systems, use hydraulic jacks and assist in engine or transmission replacements as needed.

The role requires attention to safety and documentation of all work performed. The position emphasizes teamwork with business partners and a strong commitment to quality, with competitive hourly pay and benefits.

Qualifications

• High school diploma or GED is required.
• Authorized to work in the United States.
• Must provide and maintain personal maintenance tools.
• Read, write and understand English to perform duties and paperwork.

Responsibilities

• Perform maintenance, repair, and diagnostic tasks on class 6–8 powered tractors and equipment.
• Diagnose failures and repair mechanical, electrical and system issues.
• Use hydraulic jacks to access areas under vehicles and replace engines, transmissions, differentials, and springs as needed.
• Troubleshoot heavy-duty truck engines, brake, electrical and exhaust systems; document repairs and maintenance.
• Test vehicles after maintenance to ensure proper operation and collaborate with team on complex tasks.

Skills

Diesel mechanic experience

Diagnostician software proficiency

Education

High school diploma or GED

Tools

Diagnostic software

Job description

Saia Inc. is seeking a diesel mechanic to perform maintenance, repairs and diagnostics on large trucks and equipment. You will diagnose issues across mechanical, electrical and exhaust systems, use hydraulic jacks and assist in engine or transmission replacements as needed.

The role requires attention to safety and documentation of all work performed. The position emphasizes teamwork with business partners and a strong commitment to quality, with competitive hourly pay and benefits.