Position Title: Mobile Heavy-Duty Mechanic
Location: Perth Metropolitan Area, WA
Employment Type: Casual
Reports To: Service Manager
 
About the Role:
An established and fast-growing mobile service provider is seeking a skilled and motivated Heavy-Duty Mechanic to join its Perth-based team. Specialising in OEM field support, this role is ideal for a technician with strong experience in Liebherr machinery who thrives in a dynamic, customer-facing environment. You’ll provide responsive, high-quality mechanical support to OEMs, dealerships, and operators across the metro area.
This is a mobile field-based role, offering flexible roster options (7/7, 10/4, or 5/2) to support your work-life balance.
 
Key Responsibilities:

• Diagnose, service, and repair Liebherr heavy mobile equipment in the field.
• Deliver OEM-level support across a wide range of equipment types, including excavators, dozers, and loaders.
• Use OEM diagnostic software and technical schematics to troubleshoot and resolve faults.
• Provide reliable breakdown support and perform scheduled preventative maintenance.
• Maintain clear and professional communication with OEM partners, dealership teams, and site personnel.
• Accurately complete all service documentation, parts orders, and digital job cards.
• Maintain service vehicle condition, inventory, and tooling to a high standard.
• Apply and adhere to all site safety standards, SWMS, and internal company policies.

What You’ll Bring:

• Cert III in Heavy Commercial Vehicle Mechanical Technology or Mobile Plant Technology.
• Proven experience with Liebherr machines is highly regarded and essential.
• Sound understanding of diesel engines, hydraulics, electrical systems, and drivetrains.
• Confident using diagnostic tools and interpreting OEM service information.
• Ability to work autonomously in the field while maintaining high attention to detail and safety.
• HR Driver’s Licence preferred (C Class minimum with willingness to upgrade).
• Construction White Card; additional plant or High-Risk licences desirable.
• Strong customer service skills and a proactive attitude.

 
Roster Options:
Choose from:

• 7 days on / 7 days off
• 10 days on / 4 days off
• 5 days on / 2 days off

All rosters are Perth metro-based — home every night.
 
What’s on Offer:

• Competitive hourly rate + super on all hours.
• Work with OEM partners and dealership networks on industry-leading machinery.
• Career development in a supportive, safety-first environment.
• Stable, long-term role with a reputable mobile service provider.

This role suits an experienced and driven mechanic who enjoys variety, independence, and working on cutting-edge equipment in a mobile capacity. If you’re ready to take the next step in your career with a growing and professional team, we’d love to hear from you.

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Jenn

vacancy@crestpersonnel.com.au

Apply Now