Diesel & Gas Truck Technician — Fleet Maintenance Pro

ALLIANCE WORKFORCE MANAGEMENT INC; Oklahoma; On-site; USD 42,000 - 65,000; Full time

Job summary

Alliance Workforce Management is hiring Gas & Diesel Truck Mechanics to support a leading transportation and fleet maintenance operation in Owasso. You will diagnose, repair, and maintain medium- and heavy-duty trucks to ensure safety and reliability.

You will perform inspections, routine maintenance, and troubleshooting across electrical, hydraulic, and pneumatic systems. The role requires strong diagnostic skills, teamwork, and the ability to work independently in a shop environment.

Qualifications

• High school diploma or GED required; diesel tech training preferred.
• 2–5 years’ experience with gas or diesel trucks or fleet vehicles.
• Strong mechanical aptitude and diagnostic skills.
• Experience with electrical systems, hydraulics, pneumatics, and engine diagnostics.
• Ability to read repair manuals, schematics, and technical documents.
• Basic computer skills for logging repairs and using diagnostic software.
• Strong communication and teamwork abilities.
• Ability to work independently and manage multiple tasks.
• Valid driver’s license required; CDL is an asset.

Responsibilities

• Inspect, diagnose, and repair gas and diesel engines, transmissions, drivetrains, and related components.
• Perform routine maintenance: oil changes, filter replacements, brake service, and fluid checks.
• Troubleshoot electrical systems, wiring, sensors, and onboard diagnostics.
• Repair or replace hydraulic and pneumatic components as needed.
• Conduct DOT-compliant inspections and ensure safety compliance.
• Maintain accurate records of repairs, parts usage, and service logs.
• Operate diagnostic tools, scan equipment, and testing instruments.
• Perform welding, fabrication, or minor bodywork when required.
• Collaborate with supervisors and drivers to identify issues and prioritize repairs.
• Keep work areas clean, organized, and compliant with safety standards.
• Other duties as assigned.

Skills

Diesel technology

Diagnostic skills

Mechanical aptitude

Teamwork

Communication

Education

High school diploma or GED

Job description

Alliance Workforce Management is hiring Gas & Diesel Truck Mechanics to support a leading transportation and fleet maintenance operation in Owasso. You will diagnose, repair, and maintain medium- and heavy-duty trucks to ensure safety and reliability.

You will perform inspections, routine maintenance, and troubleshooting across electrical, hydraulic, and pneumatic systems. The role requires strong diagnostic skills, teamwork, and the ability to work independently in a shop environment.