Field Service Plant Mechanic - Hunter Valley

Posted Date:  23 Apr 2026
Location: 

Mt Thorley, NSW, AU, 2330

About the Opportunity

WesTrac | Mt Thorley Field Service

Are you an experienced Plant Mechanic who thrives on problem‑solving, tackling breakdowns, and getting customers back up and running? 

WesTrac is looking for skilled and motivated Field Service Plant Mechanics to join our high‑performing team supporting customers across the Hunter Valley. As part of our Field Service crew, every day is different!

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.

Roster & Remuneration

  • Lifestyle Roster – 14/28 day and night shifts
  • Day Shift: 6:30am – 7:00pm
  • Night Shift: 6:30pm – 7:00am
  • Potential earnings up to $220,000 + tool‑of‑trade vehicle + phone + laptop

*Rates above are a guide only and each candidate will be assessed based on competencies and experience*

 

What you’ll bring

  • Certificate III in Mobile Plant + Certificate of Proficiency essential
  • Strong Caterpillar product knowledge and mobile plant maintenance experience
  • Excellent diagnostic and repair skills, with a commitment to delivering outstanding service
  • A positive, proactive attitude and unwavering commitment to safe work practices
  • Current driver’s licence

Please note: Applicants with site bans are not eligible for the Field Service position


Why Join WesTrac?

  • 12 weeks paid parental leave + income protection
  • Strong job security with longterm 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 #5223.

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.

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.