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
Strong 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 robust 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
(versatile arrangements available)
Overtime prospects
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 Western Australia
🏢 GMG Haulage
📍 Western Australia