Diesel Engine Technician / Heavy Duty Specialist

Job Description

Joseph Buick GMC is seeking a skilled and driven Diesel Engine Technician to join our growing service team. With a massive local market for Duramax diesel trucks, commercial fleets, our shop offers an incredible volume of steady, high-paying work.

We are looking for a specialist who understands the complexities of modern diesel systems. While GM/Duramax experience is a major plus, we are fully prepared to fast-track factory training and certifications for an experienced diesel tech looking to elevate their career in a stable, family-owned dealership environment.

What We Offer

• Top Earning Potential: Highly competitive flat-rate structure.


• Paid GM Factory Training: Comprehensive, fully funded access to online and hands-on GM training schools to get you certified.


• Modern Facility: Access to specialized diagnostic equipment, and the latest software tools.


• Excellent Benefits: Full medical, dental, and vision coverage options.


• Retirement Planning: 401(k) program with dealership investment.


• Time Off: Paid vacation, holidays.


• Career Growth: Clear pathways into master technician roles and shop leadership.

Key Responsibilities

• Advanced Diagnostics: Diagnose complex diesel engine performance issues, driveability concerns, and emissions/exhaust aftertreatment systems (DEF).


• Major & Minor Repairs: Perform everything from routine maintenance and component replacements to complete engine tear-downs, rebuilds, and replacements.


• Electrical & Hydraulic Systems: Troubleshoot and repair heavy-duty electrical networks, module programming, and related mechanical systems.


• Inspection & Documentation: Conduct thorough multi-point inspections, clearly detailing the cause and correction for service advisors and fleet clients.


• Quality Assurance: Road-test vehicles to verify repairs meet strict safety and manufacturer specifications.


• Team Collaboration: Maintain communication with the parts department and service desk to keep cycle times low and efficiency high.

Job Requirements

• Experience: Proven experience diagnosing and repairing light-to-medium duty diesel engines (Duramax, Powerstroke, Cummins, etc.).


• Certifications: ASE Diesel certifications (A9, T2, etc.) or manufacturer-specific training is highly preferred.


• Tools: Must possess a complete inventory of personal technician tools appropriate for heavy mechanical work.


• Skills: High proficiency with modern scan tools, digital multi-meters, and reading complex wiring diagrams.


• Credentials: Valid driver’s license with a clean driving record.


• Background: Must be willing to undergo standard pre-employment screening, including a background check and drug test.

Why Choose Joseph Buick GMC?

We know that top-tier diesel talent is hard to find, and we treat our specialists accordingly. At Joseph Buick GMC, you aren't just another clock number—you're a vital part of a family-owned business that has supported the Cincinnati community for decades. If you want a clean shop, plenty of truck work, and a team that has your back, we want to talk to you.

We are an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. We are committed to providing a safe, drug-free work environment. Applicants must be willing to submit to a pre-employment background check and drug test. Interested candidates must possess a valid driver's license and have a satisfactory driving record.