Diesel Performance Mechanic – Duramax Expert, PTO & Health

Sun Recruiting, Inc.; 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

Sun Recruiting, Inc. in Harbor Beach, MI is seeking an experienced Diesel Mechanic to diagnose and repair diesel trucks with a focus on Duramax.

You will work in our service department at the top of the Thumb, handling advanced diagnostics and major repairs using our machine shop and custom parts. The role requires strong mechanical and electrical skills, the ability to solve problems with limited direction, and a commitment to quality control.

Qualifications

• 3+ years diagnosing and repairing diesel trucks/heavy equipment.
• Strong diagnostic ability across mechanical and electronic systems.
• Experience with R&R for engines/transmissions.
• Certifications are preferred, but not required.

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 R&R

Heavy equipment experience

Education

Certifications preferred

Job description

Sun Recruiting, Inc. in Harbor Beach, MI is seeking an experienced Diesel Mechanic to diagnose and repair diesel trucks with a focus on Duramax.

You will work in our service department at the top of the Thumb, handling advanced diagnostics and major repairs using our machine shop and custom parts. The role requires strong mechanical and electrical skills, the ability to solve problems with limited direction, and a commitment to quality control.