Senior Geologist Structural

• Be part of one of the biggest underground projects in the world – Oyu Tolgoi – within our Copper Geoscience (Studies) Team

• Work across multidisciplinary teams with exposure to various facets of study and underground mining design

• Based in Brisbane, Australia – Relocation Provided

We’re Finding Better Ways™ to provide materials the world needs, now and in the future. Our values – care, courage and curiosity – guide how we work and how we treat each other.

About the role

Due to an internal movement, we are seeking a highly motivated and technically strong Senior Geologist – Structural to support orebody knowledge, geological and structural modelling, for the study-phase project work at Oyu Tolgoi.

In this role, you will integrate drilling, mapping, structural geology, geotechnical concepts, and resource knowledge to develop high‑quality geological and structural models that support mine planning, design execution, and study deliverables. You’ll work closely with multidisciplinary teams – including principal geologists, exploration, mine geology, engineering, geotechnical, hydrology, and study groups – to ensure geological understanding is accurate, current, and effectively applied across the asset lifecycle.

This position is ideal for someone who thrives on solving complex geological problems, enjoys mentoring others, and is passionate about delivering insights that influence both operational and long-term value.

Based in Brisbane, you’ll report to the Principal Advisor – Geology and work across the following key responsibilities:

• Interpret, develop, and maintain three dimensional major and minor structural models using geological modelling software, stereonet analysis and structural datasets.

• Integrate structural interpretations into geotechnical, hydrogeological, and geometallurgical models to support operational and study-phase understanding.

• Develop drilling plans for orebody knowledge, working closely with underground geology teams and principal geologists to prioritise activities.

• Validate and perform quality checks on geological data.

• Work with geologists, mine engineers, planners, geotechnical engineers, and hydrologists to ensure geological models are well communicated, aligned, and integrated into planning and design.

• Support scoping, prefeasibility, and feasibility studies with risk assessments, geological interpretations, and technical input.

• Prepare technical reports, concise summaries, and presentations for internal and external stakeholders.

About you

• Bachelor’s degree in Geology.

• 5 years’ experience in a related field, mining or exploration.

• Knowledge of 3D Geological modelling software.

• Motivated, with strong communication skills, including ability to prepare technical reports and present to multidisciplinary teams and management.

We recognise that many talented people bring transferable skills and diverse experience. If you are excited about this opportunity but don’t meet every requirement, we still encourage you to apply.

What we offer

Be recognised for your contribution, your thinking and your hard work, and go home knowing you’ve helped the world progress.

• A work environment where safety is always the number one priority

• A permanent position working directly for Rio Tinto

• Relocation assistance

• A competitive base salary reflective of your skills and experience with annual incentive program

• Comprehensive medical benefits including subsidised private health insurance for employees and immediate family

• Attractive share ownership plan

• Company provided insurance cover

• Extensive salary sacrifice & salary packaging options

• Career development & education assistance to further your technical or leadership ambitions

• Ongoing access to family-friendly health and medical wellbeing support

• Leave for all of life’s reasons (vacation/annual, paid parental, sick & cultural leave)

• Exclusive employee discounts (banking, accommodation, cars, retail and more)

Where you’ll be working

Based in Brisbane, you will join our Geoscience Team who partner with our Oyu Tolgoi project. Located in the South Gobi, Oyu Tolgoi commenced shipment of product to customers in July 2013. Oyu Tolgoi is managed by Rio Tinto, which is investing global expertise and cutting-edge technology to help develop Mongolia’s mining industry and ensure Oyu Tolgoi is one of the world’s most advanced mines. For Oyu Tolgoi, nothing matters more than safety. The business operates under the principle that if a job cannot be done safely, it will not be done at all.

Applications close on 2 April 2026 (Rio Tinto reserves the right to remove advertised roles prior to this date).

#gts

About Rio Tinto

Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminium, critical minerals, and other materials needed for the global energy transition and for people, communities, and nations to thrive.

We have been mining for 150 years and operate with knowledge built up across generations and continents. Our purpose is finding better ways to provide the materials the world needs – striving for innovation and continuous improvement to produce materials with low emissions and to the right environmental, social and governance standards. But we can’t do it on our own, so we’re focused on creating partnerships to solve problems, create win-win situations and meet opportunities.

Respect and Inclusion

At Rio Tinto, we particularly welcome and encourage applications from Aboriginal and Torres Strait Islander people, women, the LGBTI+ community, mature workers, people with disabilities and people from different cultural backgrounds.

We are committed to an inclusive environment where people feel comfortable to be themselves. We want our people to feel that all voices are heard, all cultures respected and that a variety of perspectives are not only welcome – they are essential to our success. We treat each other fairly and with dignity regardless of race, gender, nationality, ethnic origin, religion, age, sexual orientation or anything else that makes us different.

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