At WesTrac, we’re made for more of what matters most. More family time, with paid parental leave, flexible working arrangements and purchased leave programs to give you the work life balance you’ve always wanted. More development opportunities, with WesTrac's own in house RTO - 50737, access to your own guided learning platform and a range of pathways to help you steer your career in the direction of your dreams. More diversity, with over 4,000 team members with a tonne of differences, united by our passion for building a better tomorrow. As an industry leader and employer of choice, we’re Made for More.

Due to continued growth, we’re seeking experienced Plant Mechanics and Heavy Diesel Mechanics to join our Rebuilds Workshop in Tomago.

Our Rebuilds Workshop specialises in the overhaul and repair of surface mining equipment for some of our largest customers across NSW. You will work across a diverse fleet—including M Series Graders, Off‑Highway Trucks (789, 793, 777), Dozers (D10, D11), Drills, and a range of auxiliary equipment - gaining hands‑on experience in full machine rebuilds, diagnostics, and troubleshooting.

This is a fantastic opportunity to work with cutting-edge Caterpillar equipment in a state‑of‑the‑art facility, supported by a team of highly skilled trades professionals. Whether you’re looking to enhance your technical capability or prepare for future Field Service pathways, this role provides a solid foundation for long-term career growth at WesTrac.

Roster Options

Option 1: Monday–Friday (Rotating Days/Nights)

• 50‑hour week, rotating days and nights
• Roster pattern: 5D2O x2, 5N2O x2
• Day shift: 06:00–16:30
• Night shift: 16:00–02:30
• Hourly rates from: $53+
• OT rates: $80+

Option 2: Lifestyle Roster – Work Only Half the Year!

• Complete all night shifts in one swing every three weeks
• Roster pattern: 5D4O, 5N4O (15 working days out of 28)
• Day shift: 06:00–18:30
• Night shift: 18:00–06:30
• Hourly rates from: $53+
• OT rates: $80+
  
  

Skills & Experience

• Australian recognised Certificate III in Mobile Plant Technology or a heavy Mechanical trade qualification with industry experience.
• Familiarity with Caterpillar or similar brand surface mining equipment is essential.
• Experience rebuilding mobile mining equipment is desirable.
• Attention to detail with the ability to perform tasks to meet Caterpillar quality standards.
  
  

Why WesTrac?

• Job security and serious potential for career advancement
• Competitive remuneration
• Fitness Passport for the whole family
• Discounted CAT Hand Tools
• Generous relocation assistance for eligible candidates
• Income protection with 24/7 coverage
• 12 weeks paid parental leave (primary carer)
• Access to free Caterpillar online machine specific training
• Access to hands‑on technical training through the WesTrac Institute (RTO 50737)
• Refer a friend program – work alongside your mates and receive up to $3000!
• Novated leasing options
• Uniforms and PPE provided + laundered on site
• Employee Wellness Program & discounted private health insurance
• Start your career right with us- site specific training provided at our state-of-the-art WesTrac Institute
  
  

Apply Now

If you believe you have the skills and experience to succeed in this role, please submit your cover letter and resume for consideration via the link. For further information regarding this role, please contact our Recruitment Team on 1300 797 028 and quote job number #5040.

Successful applicants will be required to complete a satisfactory National Criminal History Check 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.