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

Were Finding Better Waysto 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 highquality geological and structural models that support mine planning design execution and study deliverables. Youll 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 youll 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

• Bachelors 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 dont 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 youve 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 lifes reasons (vacation/annual paid parental sick & cultural leave)

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

Where youll 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 Mongolias mining industry and ensure Oyu Tolgoi is one of the worlds 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 on2 April 2026(Rio Tinto reserves the right to remove advertised roles prior to this date).

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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 cant do it on our own so were 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.