Diesel Performance Mechanic – Duramax Expert, Top Pay

CareerNerds, LLC; Harbor Beach (MI); On-site; USD 48,000 - 62,000; Full time

Benefits offered by this job

Health Insurance

PTO

401k Match

Relocation lump sum

Job summary

CareerNerds, LLC in Harbor Beach, MI is seeking an experienced Diesel Mechanic for our Service Department. You will handle diagnostics, major repairs, and performance modifications with a focus on Duramax engines, leveraging our in-house shop and custom parts.

The role requires strong mechanical and electrical diagnostic skills, 3+ years of diesel experience, and the ability to own jobs from inspection to final release. Relocation lump sums are available for qualified candidates.

Qualifications

• 3+ years of experience diagnosing and repairing diesel trucks, vehicles, or heavy equipment.
• Strong diagnostic ability across mechanical and electronic systems.
• Experience with engine/transmission removal and replacement (R&R).

Responsibilities

• Diagnose complex mechanical, electrical, fuel, air, cooling, and drivability issues.
• Perform major repairs, preventive maintenance, component installations, and approved performance modifications.
• Develop repair strategies using diagnostic data, service information, technical specifications, and hands-on experience.
• Identify root causes instead of replacing parts based on symptoms.
• Own assigned jobs from initial inspection through testing, documentation, and final release.
• Evaluate additional findings, explain recommended work, and identify when customer authorization is required.
• Perform final quality-control checks and confirm that completed work meets DHD standards.
• Prevent repeat failures and comebacks through disciplined diagnosis, installation, and validation.
• Provide technical guidance to other technicians when needed.
• Help improve shop procedures, diagnostic methods, workflow, and quality standards.
• Maintain accurate records of findings, labor, test results, parts, approvals, and completion status.

Skills

Diesel diagnostics

Electrical systems

Engine/transmission repair

Job description

CareerNerds, LLC in Harbor Beach, MI is seeking an experienced Diesel Mechanic for our Service Department. You will handle diagnostics, major repairs, and performance modifications with a focus on Duramax engines, leveraging our in-house shop and custom parts.

The role requires strong mechanical and electrical diagnostic skills, 3+ years of diesel experience, and the ability to own jobs from inspection to final release. Relocation lump sums are available for qualified candidates.