Posted Date: 10 Jul 2026
Location:
Mt Thorley, NSW, AU, 2330
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About the Opportunity
Are you a top-tier Plant Mechanic who enjoys autonomy, problem-solving and working directly with customers? WesTrac is seeking experienced Field Service Plant Mechanics to join our elite Hunter Valley Field Service team, supporting some of the largest mining operations in the region.
You'll enjoy the freedom of a field-based role, a sought-after lifestyle roster, industry-leading earning potential, and the backing of one of the world's largest authorised Cat® dealers.
Reporting to the Field Service Supervisor, you’ll travel between customer sites, diagnose faults, carry out repairs, and provide expert support on Caterpillar machinery - all while keeping safety front of mind. If you enjoy working independently, thinking on your feet, and taking pride in delivering fast, reliable solutions, this role is for you.
Key Responsibilities
Diagnose, troubleshoot and repair Caterpillar mobile plant equipment
Respond to breakdowns and deliver effective field-based maintenance solutions
Conduct planned maintenance and component replacements
Provide expert technical support and advice to customers
Complete service documentation accurately and efficiently
Maintain the highest standards of safety, quality and customer service
Build strong working relationships across customer operations and maintenance teams
Skills & Experience
Essential
Certificate III in Mobile Plant Technology + Certificate of Proficiency (Trade Qualification)
Strong Caterpillar equipment knowledge
Proven experience maintaining and repairing heavy mining equipment
Advanced diagnostic and fault-finding capability
Current Australian Driver's Licence
Strong communication and customer-facing skills
A proactive approach to safety and problem-solving
Highly Regarded
Extensive field service experience
Experience supporting open-cut mining operations
Strong troubleshooting skills under pressure
Ability to work independently while delivering exceptional customer outcomes
Please note: Applicants with active site bans will not be eligible for these Field Service opportunities.
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?
with your resume or contact our Recruitment Team on 1300 797 028. Please reference vacancy number #6039
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.
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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 recognises the value of and strongly support the principles of equal employment opportunities in the workplace, and we are committed to achieving a diverse and engaged workforce. We are an equal opportunity employer and encourage applications from female, Aboriginal and Torres Strait Island candidates.
WesTrac is an endorsed employer for women via WORK180 - who have reviewed our policies, processes, and initiatives to certify that we are an organisation that supports diversity, inclusion and equality.
