Heavy Diesel Mechanic - Field Service (Multiple Roles)

Build Your Future with WesTrac 

At WesTrac, we don’t just service equipment - we power some of Australia’s largest mining, construction, and infrastructure operations. As one of the world’s leading authorised Cat® dealers, we invest in our people, technology, and future to keep critical industries moving. 

We are committed to delivering exceptional customer service and setting the benchmark for quality and reliability. We consistently exceed expectations, and every interaction reflects our values, high standards, and our pride in supporting our customers’ success.   

Due to continued growth, we are hiring multiple Heavy Diesel Mechanics – Field Service across regional Western Australia. If you are looking for variety, autonomy, strong earning potential, and long-term career progression, this is your opportunity. 

About The Role 

Working across mine sites, ports, and regional operations, you will: 
Perform field-based diagnostics, repairs, and maintenance on Caterpillar equipment 
Troubleshoot mechanical, hydraulic, and electrical faults 
Work independently in the field while supported by a high-performing team 
Service fleet including haul trucks, loaders, graders, dozers & ancillary equipment 
Deliver safe, high-quality outcomes and exceptional customer service 

What We Are Looking for

Trade qualification: Plant Mechanic / Heavy Diesel / Auto Electrical 
Proven field service experience (Cat® highly regarded) 
Strong fault-finding and diagnostic capability 
Valid driver’s licence (minimum LR, higher classes advantageous) 
Commitment to safety, accountability, and teamwork 
HRWL tickets (Forklift, Dogging, Rigging) – desirable 

What We Offer 

We offer a variety of FIFO and residential rosters depending on location:  
Please note: Hours do not include an unpaid 30-minute break 
14/7 | 14/14 | 12/9 
8/6 | 10/4 | 5/2 (residential) 
10–12-hour shifts  

Why Join WesTrac? 

Financial Rewards 
Competitive remuneration + overtime opportunities 
Paid parental leave & secondary carers leave 
Salary sacrificing & novated leasing 
Income protection insurance 
Discounts with 600+ retailers (Coles, Virgin, HOYTS, Crown & more) 

Health & Wellbeing 
BUPA health insurance discounts 
Fitness Passport (access gyms nationwide) 
Employee Assistance Program for you & your family 

Career Growth 

Industry-leading training via WesTrac Institute 
Clear career pathways across WA & national network 
Recognition programs for performance & milestones  

Extra Benefits 

Referral bonus up to $5,000 
Defence Reservist & Emergency Services leave 
Employee Share Purchase Plan 
 

Our Commitment 

With over 4,500 employees, WesTrac is proud to reflect the diverse communities we serve. We are committed to creating a workplace where people feel safe, included and empowered to be their authentic selves. We encourage applications from First Nations peoples, LGBTQIA+ individuals, and candidates from culturally diverse backgrounds. WesTrac is a proud WORK180 endorsed employer. 

Ready to Apply? 

Join a business where your skills are valued, your safety matters, and your career can go the distance. 

Apply now and power your future with WesTrac.