Plant Mechanic - Field Service

Ready to Take the Wheel on Your Career? Join WesTrac as a Field Service Plant Mechanic!

Love working independently? Thrive on solving problems in the great outdoors? If you’re passionate about keeping Caterpillar machines running at their best, we’ve got the perfect role for you!

Reporting to the Field Service Supervisor, you’ll be the go-to expert for our customers across the stunning Southwest region. Based out of our Bunbury branch, this full-time, permanent role is all about diagnosing, repairing, and maintaining Caterpillar equipment, plus providing top-notch warranty support.

Why You’ll Love Bunbury & WesTrac

Our Bunbury team delivers adaptable Cat® solutions from Mandurah to Albany. You’ll work on a variety of machinery—mining, marine, and more all while enjoying the flexibility and freedom of field service life. Every day is different, and every challenge is yours to overcome.

What You’ll Do:

• Hitting the road to customer sites and tackling equipment faults head-on
• Performing repairs, maintenance, and servicing on mining and marine gear
• Managing work orders and warranty support like a pro
• Driving Product Improvement Plans and Support Programs
• Keeping safety front and centre while helping customers hit their reliability goals

Skills and Experience:

• An Australian-recognised Heavy Mobile Plant Trade Certificate
• A valid Aussie driver’s license (LR minimum)
• High Risk Work Licenses (LF, DG, WP, WAH)
• Refrigerant Handling License (bonus points!)
• Diagnostic wizardry with CAT SIS & CAT ET
• A commitment to continuous improvement and thriving under pressure

Your Roster:

• Option 1: 9 days on, 5 days off (10.5-hour days)
• Option 2: 10 days on , 4 days off (10.5hrs days)

Wanting to Relocate to Bunbury?

WesTrac offers a relocation package to make your transition smooth which includes:

• Relocation Allowance
• Flights & Accommodation
• Relocation of Goods

Our Benefits inclusive of but not limited to:

• Financial Benefits – Paid Parental Leave & Secondary Carers Leave, Salary Sacrificing, Novated Leasing, Income Protection Insurance & More than 600 retail discounts such as Coles, Petbarn, Virgin, HOYTS & Crown.
• Health & Wellness – Discounts with BUPA, Fitness Passport to access multiple gyms across Australia & EAP access to support you and your immediate family. 
• Culture & Career – Personal and Team Recognition (Made for More Awards), Internal Career Progression, Training & Upskilling through our award-winning WesTrac Institute.  
• Recommend & Spend – Opportunity to receive a referral bonus up to $5000 for applicable roles.
• Additional Perks – Emergency Services Leave, Defence Force Reserves Leave & Employee Share Purchase Plan opportunity.  

Our Company & Commitment

With over 4,500 employees, WesTrac is one of the world's largest authorised Cat® equipment dealers, offering a wide range of mining and construction equipment and management solutions.

At WesTrac, we reflect diverse communities, celebrate our people's diversity, and create a culture where employees feel safe to be their authentic selves. We encourage applications from First Nations people, LGBTQIA+ individuals, and those from culturally diverse backgrounds. WORK180 endorsed employer for our commitment to diversity, inclusion, and equality.

Ready to apply? Click Apply Now and start your journey with WesTrac today!