Gas & Diesel Truck Mechanic in Owasso, Oklahoma at ALLIANCE WORKFORCE MANAGEMENT INC

Alliance Workforce Management is hiring Gas & Diesel Truck Mechanics to support a leading transportation and fleet maintenance operation in Owasso. This role is responsible for diagnosing, repairing, and maintaining commercial trucks to ensure safe, reliable, and efficient performance.

The Gas & Diesel Truck Mechanic performs inspections, troubleshooting, and repairs on medium- and heavy-duty trucks powered by gasoline and diesel engines. This role ensures fleet readiness, minimizes downtime, and maintains compliance with safety and operational standards.

• Inspect, diagnose, and repair gas and diesel engines, transmissions, drivetrains, and related components.
• Perform routine maintenance including 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 vehicles meet safety requirements.
• Maintain accurate records of repairs, parts usage, and service logs.
• Operate diagnostic tools, scan equipment, and mechanical testing instruments.
• Perform welding, fabrication, or minor bodywork when required.
• Collaborate with supervisors and drivers to identify mechanical issues and prioritize repairs.
• Keep work areas clean, organized, and compliant with safety standards.
• Other duties as assigned.

• High school diploma or GED required; technical training in diesel technology or automotive repair preferred.
• 2–5 years of experience working with gas or diesel trucks, heavy equipment, or fleet vehicles.
• Strong mechanical aptitude and diagnostic skills.
• Experience with electrical systems, hydraulics, pneumatics, and engine diagnostics.
• Ability to read and interpret 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.

• Work performed in a shop environment with exposure to noise, fumes, and mechanical equipment.
• Frequent standing, bending, kneeling, and lifting heavy parts or tools.
• Ability to lift up to 70 lbs unassisted.
• Use of PPE including safety glasses, gloves, steel-toe boots, and hearing protection as required.

• Ability to perform physical tasks such as climbing, crawling under vehicles, and maneuvering heavy components.
• Adequate vision for detailed inspections and identifying electrical color codes.
• Ability to work in varying temperatures depending on shop conditions.

Multiple positions available with various shift options depending on operational needs.

Interested candidates are encouraged to apply today. A member of our recruiting team will contact qualified applicants to discuss available opportunities.