What are the responsibilities and job description for the Heavy-Duty Diesel Mechanic position at CORRIGAN ENTERPRISES, INC.?
Position Description:
The Diesel Mechanic will perform DOT inspections and preventative maintenance services, troubleshoot mechanical and electrical issues, and complete repairs across a variety of systems. This position requires a strong commitment to safety, quality, and compliance with all DOT, Company, Safety Department, and ISO 9001 policies and procedures.
Why Join Us?
Primary Responsibilities
Qualifications & Experience
Additional Information: Corrigan Oil - Who We Are
We are seeking an experienced and dependable Diesel Mechanic to join our team. The primary function of this position is to diagnose, adjust, maintain, and repair trucks, trailers, and various equipment while ensuring all vehicles and equipment remain safe, reliable, and compliant with applicable regulations.
The Diesel Mechanic will perform DOT inspections and preventative maintenance services, troubleshoot mechanical and electrical issues, and complete repairs across a variety of systems. This position requires a strong commitment to safety, quality, and compliance with all DOT, Company, Safety Department, and ISO 9001 policies and procedures.
Why Join Us?
- Day and Afternoon Shifts Available
- Quarterly Safety Bonus Potential
- HD State Certificate Incentive Program
- Opportunity to work on a wide variety of trucks, trailers, and equipment
- Hands-on work in a team-oriented environment
Primary Responsibilities
- Diagnose, repair, and maintain light, medium, and heavy-duty trucks, trailers, and equipment.
- Inspect, diagnose, and repair air and hydraulic brake systems.
- Diagnose and repair light, medium, and heavy-duty suspension systems.
- Diagnose and repair hydraulic systems.
- Diagnose and repair electrical systems and components.
- Perform engine diagnostics and repairs on light, medium, and heavy-duty equipment.
- Diagnose and repair emissions systems.
- Diagnose and repair HVAC systems.
- Perform tire inspections, repairs, and replacements.
- Perform DOT inspections in accordance with applicable regulations.
- Complete preventative maintenance services, including oil changes and routine servicing.
- Perform fabrication and welding as needed.
- Respond to and perform road calls and emergency repairs.
- Diagnose and repair pumps and power take-off (PTO) systems.
- Perform hazmat tank repairs.
- Perform engine overhauls, based on experience and qualifications, including Cummins, Caterpillar, International, and other diesel engines.
- Test drive trucks and equipment following repairs, when properly licensed and endorsed.
- Maintain accurate service and repair documentation.
- Follow all applicable DOT, Company, Safety Department, and ISO 9001 policies and procedures.
- Maintain a clean, safe, and organized work environment.
- Perform other duties as assigned by the Department Manager.
Qualifications & Experience
- High school diploma or equivalent required.
- 3–5 years of diesel mechanic experience required.
- Knowledge of diesel engines, mechanical systems, electrical systems, hydraulics, and vehicle diagnostics.
- Basic computer skills.
- Ability to pass a 7-year criminal background check.
- Must have a basic set of mechanic tools and toolbox.
- Ability to work independently and as part of a team.
- Strong attention to detail and commitment to workplace safety.
- Ability to troubleshoot problems and make appropriate repairs efficiently.
- CDL with clean driving record and applicable endorsements are a plus and may be required for certain test-drive responsibilities.
Work Environment
This position requires frequent standing, walking, bending, lifting, reaching, and working in and around trucks, trailers, and heavy equipment. The employee may be exposed to noise, dirt, grease, oils, fumes, and varying weather conditions.
All employees are expected to follow established safety practices and Company policies and procedures at all times.
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
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