The CSA Mine is located 11 kilometres north-west of Cobar, central western New South Wales. At 1.9 kilometres deep, it is one of Australia’s deepest underground mines and is Australia’s highest-grade copper mine.

Harmony is the largest gold producer by volume in South Africa and is a significant operator of gold tailings retreatment facilities. CSA Mine has recently joined Harmony Australasia, marking the beginning of an exciting new chapter. The acquisition underpins Harmony’s strategy to expand its Australasian footprint and establish a strong, diversified copper portfolio, complemented by the Eva Copper Mine Project in Queensland, currently under construction, and set to become the state’s largest open‑pit copper mine upon commissioning. In Papua New Guinea, Harmony owns and operates the Hidden Valley mine and owns 50% of the Tier 1 Wafi-Golpu copper‑gold project. These assets are supported by the Harmony Australasia regional corporate office located in Milton, Brisbane.

Reporting to theGeotechnical, Survey & Backfill Superintendent, the Senior Geotechnical Engineer will be responsible for identifying potential geotechnical hazards and mitigating risks by providing sound and practical geotechnical strategies.

Roster:

This role will be based onsite in Cobar, NSW working an 8/6 days FIFO roster from Brisbane or Sydney with local candidates highly regarded.

Key Responsibilities:

- Identify opportunities for improvements in the geotechnical / backfill space such as optimise ground support, monitoring systems, work processes, and tasks to create a safe, effective, and efficient mine operation.
- Ensure all geotechnical / backfill aspects meet with the company standards and government regulations
- Ensure all critical controls are in place
- Periodically review and update relevant PHMPs, TARPS and SWIs.
- Identify potential long term geotechnical hazards and provide strategies to minimise risk to personnel & production
- Provide geotechnical input into the long-term mine design,



3MRS, LOM, and LOA
- Develop and maintain geotechnical records and databases with accuracy.
- Develop, review and maintain geotechnical monitoring and seismic systems
- Perform numerical modelling to improve geotechnical analysis and assessment
- Ensure effective application of critical controls in all backfill work plans
- Maintain positive communication and collaborate with all underground stakeholders to support objectives and achieve targets
- Provide cost and budget input to the Geotech, Survey, and Backfill Superintendent
- Mentoring and assisting career development of the team.

About You:

- Degree in Mining, Geology, Civil, or related Engineering field
- Manual Driver License
- 5-10 years of experience in underground mining, with at least 5 years in Geotechnical role
- Familiarisation with backfill (paste / rock) design process, and experience with inrush controls.
- Experience in using Microsoft Office
- Proficient with CAD software, Deswik is preferred
- Proficient with numerical modelling & geotechnical software (Rocscience)
- Experience with using seismic monitoring software (IMS software)
- Experience with ground instrumentation monitoring
- Competitive salary including eligibility to participate in quarterly bonus.
- Opportunity to grow your career within a agile international organisation.
- Health and wellbeing initiatives, including access to gym and pool facilities to our employees and their dependants in Cobar.
- Join a business that is growing in Australia and exposed to the high growth commodities of copper and gold.

We thank all applicants for your interest and the time taken to submit your application. While we consider all suitable applicants, only those short-listed for interview will be contacted.

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.

To learn more about Harmony and CSA Mine, please visit:

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📌 Senior Geotechnical Engineer (Brisbane City)
🏢 Harmony Australasia
📍 Brisbane City