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. 

Top Pay • Multiple Rosters • Massive Career Growth • Industry‑Leading Training

We’re expanding our Tomago-based GCON and Rebuilds workshops and are seeking trade-qualified Plant Mechanics and Heavy Diesel Mechanics to join our high-energy teams working on world-class Caterpillar machinery across construction and large-scale mining.

Why Join WesTrac?

• Hourly Rates FROM $55.26 P/HR
• Overtime FROM $82.89 P/HR
• Strong job security + long-term career pathways
• Flexitime + purchased leave options (up to 6 weeks leave per year depending on roster)
• Fitness Passport (family included)
• CAT tool discounts
• 12 weeks paid parental leave (primary carer)
• 24/7 Income protection
• Relocation assistance for eligible candidates
• Refer a Mate bonus – earn up to $3,000 per referral!
• Retail, wellbeing & travel discounts across your lifestyle

Where You’ll Work

Rebuilds Workshop (Major Component & Machine Rebuilds)

Overhaul, repair, and diagnose large-scale CAT mining machinery including trucks (789, 793, 777), dozers (D10, D11), graders, drills, and auxiliary equipment.

GCON Workshop (General Construction)

Work on a wide range of CAT gear used across construction and mining — from routine service to breakdowns, diagnostics, and heavy maintenance.

Both workshops offer strong teamwork, safety-first culture, and access to the latest Caterpillar technology and systems.

Rosters to Suit Your Life & Career

1. Monday to Friday – Rotating Days/Nights (Both Workshops)

• 50-hour week
• 5D2O x2, 5N2O x2
• GCON Hours: Day 05:30–16:00 / Night 15:00–01:30
• Rebuilds Hours: Day 06:00–16:30 / Night 18:00–02:30

2. Lifestyle Roster – Work Half the Year (Rebuilds Only)

• 5D4O, 5N4O
• Day: 06:00–18:30
• Night: 18:00–06:30

What We’re Looking For

• Trade qualified Plant Mechanic or Heavy Diesel / Heavy Vehicle Mechanic
• Experience with CAT machinery or heavy equipment (advantageous but not essential)
• Strong troubleshooting ability and diagnostic skills
• Commitment to safe work practices
• Ability to work autonomously and within high-performing teams
• Exposure to rebuild, mining or field maintenance environments is highly regarded
• Familiarity with CAT Service Information System (SIS) is a bonus

Ready to Make Your Move?

If you bring strong mechanical know-how—especially with Caterpillar gear—you’ll make an immediate impact and thrive in an environment built on skill, teamwork, and industry-leading equipment.

Apply now with your resume and cover letter or contact our Recruitment Team on 1300 797 028.
Please reference vacancy numbers #4954 (GCON) or #5040 (Rebuilds).

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 recognises the value of and strongly supports the principles of equal employment opportunities in the workplace, and is committed to continuing to build our workplace culture.