About The Opportunity

If you’re an experienced Plant or Heavy Vehicle Mechanic looking for a field role that gives you real autonomy, strong earnings, and lifestyle flexibility — this is one of the most sought-after roles in the region.

As a Field Service Plant Mechanic, you’ll be on the front line supporting our customers—responding to breakdowns, performing diagnostics, and delivering high-quality repairs on Caterpillar equipment in the field.

No two days are the same. You’ll enjoy:

• Autonomy in your day-to-day work
• Variety across multiple mine sites and equipment types
• Being trusted to problem solve and deliver results

Lifestyle & Travel

• Roster Options - 7/7 lifestyle roster (day shift only) or Monday–Friday option available

• $64.77 – $69.40/hr + overtime + ute
• Typical earnings: $140K – $170K+ depending on roster and OT
• Rates are reflective of experience, skills and technical capability.

What You’ll Do

• Diagnose, service and repair CAT mobile plant equipment in the field.
• Deliver safe, high‑quality work with minimal downtime for customers.
• Work independently across multiple customer sites.
• Represent WesTrac with strong technical capability and customer service.

What You’ll Bring

• Cert III Mobile Plant Technology (or equivalent trade).
• Experience with mining or heavy earthmoving equipment (CAT highly regarded).
• Strong diagnostics and repair capability.
• OEM experience, SIS/ET exposure (highly regarded).
• Ability to work autonomously in the field.
• Current driver’s licence.

Why Join WesTrac?

• 12 weeks paid parental leave + income protection
• Strong job security with long‑term career pathways
• Flexitime, RDOs & purchased leave (up to 5 weeks p.a.)
• Training & career progression via the WesTrac Institute
• Fitness Passport (family included) + health & wellbeing support
• 600+ retail, travel & lifestyle discounts + CAT tool discounts
• Refer a mate & earn up to $3,000
• Free parking, onsite café & extra perks at select sites
• Relocation assistance for eligible candidates

We invest heavily in your development, offering access to our in‑house RTO(50737), dedicated learning pathways, and hands‑on experience with the latest Cat® technology and future‑focused capabilities. As one of the world’s largest authorised Cat® dealers, you’ll be part of an industry leader shaping what’s next in mining and construction. 

Ready to Make Your Move? 

Apply now with your resume or contact our Recruitment Team on 1300 797 028. Please reference vacancy number #5947.

Successful applicants will be required to complete a satisfactory National Criminal History Check and a Pre-Employment Medical as part of the Recruitment Process. 

At WesTrac, our primary focus is our people. As we look to the future, we’re focused on harnessing the best talent and providing them with the support they need to achieve success. WesTrac is a member of the Diversity Council of Australia and recognise the value of and strongly support the principles of equal employment opportunities in the workplace and are committed to continue to build our workplace culture.