Field Service Plant Mechanic – Hunter Valley Region

Join our Mt Thorley Rebuilds Workshop as a Field Follow Plant Mechanic and play a pivotal role in delivering an exceptional customer experience.

Reporting to the Workshop Supervisor, you will take ownership of commissioning, delivering, and overseeing the handover of rebuilt CAT equipment. As the key link between the workshop and our customers, you will ensure every machine leaves our facility performing at its absolute best.

In this role, you will work closely with our skilled Plant Mechanics to support the full rebuild process - assembling machinery, diagnosing faults, carrying out routine maintenance, and conducting detailed inspections. Your attention to detail and mechanical expertise will ensure each machine is ready for site conditions and meets WesTrac’s high standards.

With strong diagnostic capability and a safety‑first mindset, this role is ideal for someone who thrives on problem‑solving and enjoys following a build from workshop floor to customer site. As a Rebuilds Specialist, you will be hands‑on throughout the entire lifecycle - supporting customers during those critical early stages of operation and ensuring a seamless transition back into service.

You will be backed by a tool‑of‑trade vehicle and a collaborative, high‑performing team, giving you everything you need to deliver outstanding results.

To be successful, you'll need:

• Cert III in Mobile Plant Technology (essential)
• Certificate of Proficiency (essential)
• Proven experience with new builds or machine rebuilds
• Familiarity with Caterpillar or similar brand surface mining equipment is essential.
• A proactive, customer-focused mindset and strong diagnostic skills
• Unrestricted Drivers License
• Applicants with site bans are ineligible

Responsibilities

• Serve as the primary onsite point of contact, addressing customer requirements and providing excellent customer service.
• Coordinate onsite assembly and customisation of CAT machinery based on customer specifications.
• Perform repairs, maintenance, and inspections on CAT machinery to ensure optimal working condition before handover.
• Provide travel support, visiting various locations throughout Newcastle and the Hunter Region to offer field service assistance and address customer needs.
• Liaise and coordinate with internal stakeholders, such as Mining Support Representatives and Project Coordinators, to manage customer requests and machine requirements, ensuring a smooth and efficient delivery process.

Why Join WesTrac?

• Fitness Passport for the whole family
• Annual Remuneration and performance review
• Discounted CAT Hand Tools
• Income protection with 24/7 coverage
• 12 weeks paid parental leave (primary carer)
• Online Learning Library to support your continued development - pathways to leadership roles
• Further education assistance programs - upgrade your skills and gain further post-trade knowledge!
• Refer a friend program - work alongside your mates and receive up to $3,000
• Novated leasing options
• Employee Wellness Program - EAP services available
• Discounted private health insurance
• Discounted tooling insurance options
• Made for More Rewards - discounts with major travel and retail brands!

Apply Now

If you believe you have the skills and experience to succeed in this role, please submit your resume for consideration via the link. For further information regarding this role, please contact our Recruitment Team on 1300 797 028. Successful applicants will be required to complete a satisfactory National Criminal History Check & Order 43 as part of the recruitment process.

Please note: The Talent Acquisition Team will be on annual leave from Friday 19th December 2025, returning Monday 12th January 2026. During this time, recruitment activities will be paused, and applications will not be reviewed. Any applications submitted during this period will be assessed once the team returns in January.