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Certified Cummins Heavy Duty Diesel Technician

John's Truck Service, Inc.
Moncks Corner, SC Full Time
POSTED ON 3/13/2026
AVAILABLE BEFORE 5/12/2026

Key Responsibilities

Inspect and Diagnose: Perform thorough inspections of diesel engines and related systems to identify issues and diagnose problems.

Repair and Maintain: Conduct repairs on diesel engines, including but not limited to replacing or repairing components in engine/fuel systems, brake systems, steering, suspension, HVAC, drivetrain and emissions/aftertreatment.

Routine Maintenance: Perform regular maintenance tasks such as oil changes, filter replacements, and lubrication of moving parts to ensure optimal performance.

Testing and Troubleshooting: Test vehicles after repairs to ensure proper functionality and troubleshoot any remaining issues.

Documentation: Maintain detailed records of repairs, maintenance, and inspections performed on vehicles.

Customer Interaction: Communicate with customers regarding the condition of their vehicles and recommend necessary repairs or maintenance.

Required Skills and Qualifications

Education: Minimum of a high school diploma or equivalent is required.

Experience: Minimum of three years previous experience as a diesel mechanic is required. On-the-job training is not available.

Certifications: Minimum of three years Cummins certification is required. John's Truck Service is a certified Cummins service affiliate/dealer. Applicant will be able to maintain their current certifications through our company at dealer level.

Technical Skills: Strong understanding of diesel engine components and systems, as well as proficiency in using diagnostic tools and equipment.

Physical Fitness: Ability to perform physically demanding tasks, including lifting heavy parts and working in various positions.

Job Type: Full-time

Pay: $40.00 - $50.00 per hour

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Relocation assistance
  • Vision insurance

Experience:

  • heavy duty Cummins diesel : 3 years (Required)

License/Certification:

  • Cummins Certification (Required)

Work Location: In person

Salary : $40 - $50

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