Mobile Diesel Technician - Field Repairs & Diagnostics

Saia Motor Freight Line LLC; Oklahoma City (OK); On-site; USD 102,008,524 - 116,335,564; Full time

Job summary

Saia Motor Freight Line LLC is seeking a skilled mobile diesel mechanic to perform preventive maintenance, inspections, and repairs on tractors, trailers, and related fleet equipment while traveling between terminals in a mobile service van. The role requires knowledge of diesel engines, brakes, electrical and hydraulic systems, plus the ability to diagnose with diagnostic software.

Strong safety mindset and the ability to work independently are essential; you will document repairs and

Qualifications

• 5+ years of diesel mechanic experience, including mobile maintenance experience.
• Strong working knowledge of diesel engines, brakes, electrical, and hydraulic systems.
• Proficiency in diagnostic software.
• Ability to work independently, troubleshoot complex issues, and adapt to varied environments.
• Read, write, communicate and comprehend the English language to perform the job requirements.

Responsibilities

• Perform preventive maintenance and repairs on tractors, trailers, and related fleet equipment.
• Travel to assigned terminals and remote locations to diagnose issues using a mobile service van.
• Respond to road calls and emergency service requests to minimize downtime.
• Conduct inspections to ensure safety and compliance with federal, state, and local requirements.
• Complete documentation for maintenance activities, parts usage, and repair outcomes in the maintenance system.
• Collaborate with terminal leadership, fleet management, and drivers to prioritize work and schedule service efficiently.

Skills

Diesel engines knowledge

Brakes

Electrical systems

Hydraulic systems

Diagnostic software proficiency

Independent worker

Education

High school diploma or GED

Tools

Diagnostic software

Job description

Saia Motor Freight Line LLC is seeking a skilled mobile diesel mechanic to perform preventive maintenance, inspections, and repairs on tractors, trailers, and related fleet equipment while traveling between terminals in a mobile service van. The role requires knowledge of diesel engines, brakes, electrical and hydraulic systems, plus the ability to diagnose with diagnostic software.

Strong safety mindset and the ability to work independently are essential; you will document repairs and