Underground Structural Technician

29Metals Limited; City Of Mandurah; On-site; AUD 90,000 - 130,000; Full time

Job summary

29Metals is looking for an Underground Structural Technician to join the Golden Grove operation in Western Australia. The role operates on a rotating roster (8:6 days, 7:7 nights) and focuses on collecting and processing geospatial data with advanced laser technology to support mine design and geological modelling.

Key duties include data access collaboration, heading data capture, LiDAR surveys, monitoring ground support, and core logging support.

Qualifications

• Exposure to underground mining environments preferred.
• Experience as a mine, geotechnical, or geological technician is desirable.
• Physical fitness and autonomous work capability required.

Responsibilities

• Coordinate with mining operations to access headings for data capture.
• Wash headings and safely set up geotechnical equipment.
• Perform survey resections, LiDAR, and other scans for geotechnical assessments.
• Monitor ground support quality and record deterioration over time.
• Assist with core logging for structural and rock mass analysis.

Skills

Geotechnical data capture

LiDAR scanning

Survey resections

Microsoft 365

Geotechnical equipment handling

Education

Underground mining exposure

Tools

LiDAR

Geotechnical equipment

Job description

What this Role Offers

• The opportunity to rotate across multiple mine technician disciplines.
• A large Technical Services team – collaborate with and learn from senior members.
• The ability to hone your skills in two technically complex, deep mines: Gossan Hill and Scuddles.
• The chance to upskill and receive financial assistance for further education.

About the Opportunity

An opportunity has arisen for an Underground Structural Technician to join our Golden Grove operation in Western Australia. This site-based role reports to the Senior Structural Geologist and operates on an 8:6 (days) and 7:7 (nights) roster.

Your focus will be on collecting and processing geospatial data using advanced laser technology to support mine design, planning, and geological modelling.

Your primary responsibilities will include:

• Coordinating with mining operations to ensure access to headings for data capture.
• Washing down headings and setting up geotechnical equipment safely.
• Performing survey resections, LiDAR, and other scans for geotechnical assessments.
• Monitoring and recording ground support quality, including time-based deterioration.
• Assisting with core logging for structural and rock mass analysis.

About You

Our ideal candidate will have exposure to underground mining environments, preferably as a mine, geotechnical, or geological technician.

Other key skills, experience, and qualifications:

• A high level of physical fitness.
• Comfortable working autonomously for extended periods.
• Basic proficiency in Microsoft 365 applications.
• Current C-class manual driver’s licence.

About 29Metals and Golden Grove

29Metals is an ASX-listed mining company producing copper and other base and precious metals critical to the global energy transition. Headquartered in Melbourne, we operate two long-life assets: Golden Grove in Western Australia and Capricorn Copper in Queensland, with support offices in Perth and Brisbane.

Golden Grove is a high-grade underground mining operation producing copper, zinc, and precious metals. With a mine life exceeding 10 years, it has strong potential for further extension. The site is currently undergoing an expansion, including the development of a new mine, the extension of existing operations, and major infrastructure upgrades.

Next Steps

Candidates may be required to undergo pre-employment testing, including medical, respiratory mask fit testing, drug and alcohol screening, national police clearance, reference checks, and qualifications / licences checks.