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 solid 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? Apply now 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.

📌 Mobile Plant Mechanic (Singleton)
🏢 WesTrac Cat
📍 Singleton