WHAT YOU’LL BRING:

• Cert III in Heavy Vehicle Diesel Fitting (or equivalent)
• Strong mechanical skills and initiative
• Safety-first mindset and good communication
• Self-motivated with a team-oriented attitude

ABOUT US

OneSteel Manufacturing operates a mining and steel manufacturing business. As Australia’s only manufacturer of special grade billet and steel long products we provide solutions for nation-building infrastructure including rail. With State and Federal Government investment, the Whyalla Mining and Steel Manufacturing assets form part of the sovereign security of Australia’s manufacturing sector.

ABOUT THE ROLE

We’re looking for experienced Heavy-Duty Diesel Fitters to join our Whyalla maintenance team. You’ll carry out diagnostics, repairs, and preventative maintenance on mobile plant and heavy equipment—ensuring reliable operations that support critical mining and industrial processes.
Hands-on and safety-focused, this role involves working closely with the Maintenance Manager and team to boost equipment availability and drive operational efficiency.

KEY DUTIES:

• Maintain and repair mobile plant and heavy vehicles
• Diagnose faults in diesel, hydraulic, and mechanical systems
• Complete accurate work orders and records
• Support preventative maintenance programs
• Source and replace parts
• Uphold workshop cleanliness and safety
• Follow set maintenance schedules
• Respond to alarms and incidents safely

Below are some of our key central benefits that are available to all employees. Other benefits may be available depending on your role or site.

• Generous parental leave: 20 weeks paid Primary Carer Leave and 3 weeks paid Partner Leave for those who have worked at the business for at least 12 months. The company also provides superannuation contributions for the Primary Carer during the period of unpaid parental leave for eligible employees (limitations apply).
• Access to long service leave after 5 years: Employees who are not covered by an Enterprise Agreement can access accrued Long Service Leave (LSL) at the rate of 1.3 weeks per year of service after 5 years continuous service.
• Employee Benefits Program: Employee Added Extras (EAE), our Employee Benefits Program, provides discounts for you and your friends and family on gift cards, shopping, groceries, home products, car rentals, holidays, recreation and more
• Corporate rates for private health insurance: Nib Health Insurance offers discounted cover for employees