Heavy Diesel Mechanic - Field Service (Multiple Roles)
WesTrac
Job Description
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.
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