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Diesel Mechanic

CORRIGAN ENTERPRISES, INC.
Whitmore, MI Full Time
POSTED ON 10/2/2026
AVAILABLE BEFORE 1/29/2027
Position Description:
The Heavy-Duty Diesel Mechanic will diagnose, adjust, repair, maintain, and overhaul trucks, equipment, and diesel-powered systems. The position performs preventive maintenance, mechanical and electrical troubleshooting, brake and suspension work, engine and drivetrain repair, component replacement and rebuilding, equipment inspections, roadside service, and complete work-order documentation. The Heavy-Duty Diesel Mechanic is responsible for performing work in accordance with applicable DOT requirements and company safety, quality, environmental, and maintenance procedures

  • Quarterly Safety Bonus Potential
  • HD State Certificate Incentive Program

Primary Duties:
  • Light/Medium/Heavy Duty Brakes (Air and Hydraulic)
  • Light/Medium/Heavy Duty Suspension
  • Light/Medium/Heavy Duty Hydraulics
  • Light/Medium/Heavy Duty Electrical
  • Light/Medium/Heavy Duty Engine Repair and Diagnostics
  • Light/Medium/Heavy Duty Emissions
  • Light/Medium/Heavy Duty HVAC
  • Light/Medium/Heavy Duty Tires
  • Light/Medium/Heavy Duty DOT Inspections
  • Light/Medium/Heavy PM’s (oil changes, services, etc.)
  • Fabrication and Welding
  • Road Calls
  • Pump and Power Take Off Repairs
  • Hazmat Tank Repairs
  • Overhaul Engines (Experience Based) Cummins/Cat/International Etc.
  • Test Drive Equipment/Trucks (If technician has CDL and correct endorsement)

Qualifications/Experience/Education:
  • High school diploma or equivalent required.
  • Three (3) to five (5) years of diesel mechanic experience preferred but not required.
  • Working knowledge of heavy-duty truck and diesel-engine systems, including brakes, steering, suspension, drivetrain, fuel systems, electrical systems, and preventive maintenance practices.
  • Ability to diagnose mechanical and electrical problems using inspection techniques, test instruments, diagnostic software or equipment, gauges, and sound mechanical judgment.

Additional Information: Corrigan Oil - Who We Are
Corrigan Oil is an equal employment opportunity employer with a dedication to customer satisfaction and quality that is second to none. Corrigan Oil is a family-owned business offering long-term career opportunities and a culture where you will be treated with respect and proud to work within. Corrigan Oil has expanded into a family of companies including Corrigan Oil, Corrigan Propane, Corrigan Construction, Corrigan Towing and Heavy Haul, Corrigan Transportation, Corrigan Mechanical Contractors, Corrigan Environmental Solutions and Technical Environmental Services.

Corrigan Oil understands the importance of preserving our environment and giving back to the communities. At Corrigan, we are proud supporters of our communities and encourage our employees to be active leaders, mentors, and volunteers.

Benefits:
Corrigan Oil offers a comprehensive benefits package to help you stay well, protect yourself and your family, and plan for a secure future. Benefits include:

  • Medical, Dental & Vision Insurance. - Eligible 1st of the month after employment begins.
  • Life Insurance. Short-Term Disability Coverage.
  • Vacation & Earned Paid Sick Time. Paid Holidays.
  • 401(k) – Company matches 50% up to 5% employee income.
By applying for this position, you agree to the Alternate Dispute Agreement.
https://corriganoil.com/wp-content/uploads/2026/03/Corrigan-Oil-CE-Arbitration-Agreement-_-Alternate-Dispute-Agreement63940733.286.pdf

#INDAOJ

Salary : $39,544 - $52,498

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