Job Description
Responsibilities
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As a Heavy Diesel Mechanic, you will be responsible for the servicing, repair, and maintenance of a fleet of underground mobile plant equipment, including:
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Ancillary equipment such as IT loaders, underground agitators, concrete spraying equipment, telehandlers, and light vehicles
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Job Description
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As a Heavy Diesel Mechanic, you will be responsible for the servicing, repair, and maintenance of a fleet of underground mobile plant equipment, including:
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Loaders (e.g., CAT R****, Sandvik LH517i & LH621i)
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Trucks (e.g., CAT AD30, Sandvik TH663i)
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Drills (e.g., Sandvik DD421 & DS421, Epiroc Simba E70S)
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Ancillary equipment such as IT loaders, underground agitators, concrete spraying equipment, telehandlers, and light vehicles
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About the Role
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Responsibilities
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As a Heavy Diesel Mechanic, you will be responsible for the servicing, repair, and maintenance of a fleet of underground mobile plant equipment, including:
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Ancillary equipment such as IT loaders, underground agitators, concrete spraying equipment, telehandlers, and light vehicles
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Conditions
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This is a 7/7 roster (days and nights), and commute options include residential, DIDO or FIFO from Brisbane or Sydney.
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Candidates interested in DIDO or FIFO will be provided with commute single accommodation and meals at the mine camp.
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CSA also provides Pool & Gym Reimbursements to our employees and their dependants.
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Location
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Located an eight-hour drive to Sydney, nine-hour drive to Melbourne, and a quick three-hour drive to Dubbo, Cobar is a fascinating town rich in mining heritage and natural attractions.



Entertainment options include restaurants, pubs, and clubs for dining out. You will be kept busy with a bowling and golf club, rugby and rugby league teams, race club, pony club, Olympic size swimming pool, gym – and more! The town boasts beautiful parks, two reservoirs, picnic areas and playgrounds. The youth club 'Youthie' is a vibrant children's hub with a games room, gym and weights room, squash courts, sauna, indoor stadium, outdoor basketball court and a skate park.
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Responsibilities
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Key Responsibilities
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Diagnose and troubleshoot mechanical & hydraulic issues on heavy diesel equipment
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Perform scheduled maintenance and breakdown repairs
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Conduct regular inspections to ensure equipment safety and compliance
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Work collaboratively within the maintenance department to improve fleet reliability
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Maintain accurate service records and follow site safety procedures
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Qualifications
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Trade qualification as a Heavy Diesel Mechanic (or equivalent)
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Experience in underground hard rock maintenance (preferred but not essential)
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Strong diagnostic and troubleshooting skills
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Basic auto electrical knowledge & troubleshooting skills
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Commitment to workplace safety and compliance
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Ability to work autonomously and as part of a team
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What We're Looking For




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What's on Offer?
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Competitive remuneration package
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Flights and accommodation provided
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Permanent, full-time position with job security
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Career progression and training opportunities
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Supportive team setting with a strong safety culture
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Please note: All candidates must have the right to live and work in Australia and will be required to undertake a comprehensive pre-employment medical screen, including drug and alcohol testing.
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To learn more about Harmony and CSA Mine, please visit:

-copper-mine/
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About The Team
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Harmony is the largest gold producer by volume in South Africa and is a significant operator of gold tailings retreatment facilities. In Papua New Guinea, Harmony owns and operates the Hidden Valley mine and owns 50% of the Tier 1 Wafi-Golpu copper-gold project. In Australia, Harmony owns the high-grade CSA copper mine in Cobar, NSW and is constructing the Eva Copper Mine in Cloncurry, QLD with first production targeted for the second half of the **** calendar year. These assets are supported by the Harmony Australasia regional corporate office located in Milton, Brisbane.
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CSA, one of Australia's longest operating copper mines, has a history dating back almost 150 years. The mine is 1.9km deep and has a reserve grade of 3.4% Cu. Located near the vibrant regional town of Cobar, CSA Mine is a long‐standing underground copper operation with a strong connection to its local community. Our people enjoy a supportive team environment, meaningful careers and the lifestyle benefits that come with regional NSW
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📌 Heavy Diesel Mechanic (New South Wales)
🏢 Harmony Australasia
📍 New South Wales