Heavy Diesel Mechanic / Trailer Mechanic

Location: Kwinana, WA

GMG Haulage is seeking a qualified Heavy Diesel Mechanic / Trailer Mechanic to join our busy workshop in Kwinana. If you take pride in quality workmanship, enjoy working on heavy vehicles and trailers, and want consistent Monday-to-Friday hours with overtime available, we'd like to hear from you.

About the Role

As part of our workshop team, you will be responsible for servicing, maintaining, diagnosing, and repairing our fleet of heavy trucks and trailers to ensure they remain safe, reliable, and compliant.

Key Responsibilities

- Carry out servicing, repairs, and preventative maintenance on heavy diesel trucks and trailers

- Diagnose mechanical faults and complete repairs efficiently and to a high standard

- Identify defects through preventative maintenance inspections

- Perform:

- Brake servicing and repairs

- Airbag and suspension repairs

- Axle, wheel bearing, and running gear maintenance

- Tyre inspections and wheel alignments

- Electrical and lighting system repairs

- Fabrication and minor structural repairs

- Maintain accurate service records and compliance documentation

- Ensure all work is completed in accordance with company procedures and Main Roads WA standards





- Maintain a safe and tidy work environment

About You

To be successful in this role, you will have:

- Trade qualification as a Heavy Vehicle, Diesel, or Trailer Mechanic (or equivalent)

- Previous experience working on heavy vehicles and trailers

- Solid diagnostic and fault-finding skills

- Experience with brakes, bearings, suspensions, axles, and trailer running gear

- Ability to work both independently and as part of a team

- Current Australian Driver's Licence

- A strong commitment to safety and quality workmanship

- Full Australian working rights

What We Offer

- Monday to Friday roster

- Standard hours: 7:30 am – 5:00 pm (flexible arrangements available)

- Overtime opportunities

- Competitive hourly rate of $45–$55 per hour, depending on qualifications and experience

- Stable, full-time position with a family run transport company

- Supportive workshop team

If you're a motivated mechanic looking to join a professional team with excellent working conditions, we'd love to hear from you.

Apply now by submitting your resume, or contact GMG Haulage for more information.

📌 Heavy Diesel Mechanic / Trailer Mechanic (Rockingham)
🏢 GMG Haulage
📍 Rockingham