Hydrogeologist

• Use your hydrogeology expertise to influence major iron ore operations and future growth projects

• Flexible working arrangements with a healthy worklife balance

• Perth based role with adhoc site travel to the Pilbara

Were 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

We are seeking a Hydrogeologistto join our Resource Development Hydrogeologyteam based in Perth.

Reporting to the Hydrogeology Superintendent this role supports the delivery of waterrelated investigations that strengthen RTIOs hydrogeological knowledge base enable future expansion projects and sustain ongoing mining operations across a 10year planning horizon.

This is an exciting opportunity for a technically capable and proactive hydrogeologist to work in a collaborative multidisciplinary environment partnering across the business to develop and implement effective groundwater and water management solutions. The role offers flexible working arrangements and adhoc travel to Pilbara operations as required.

You will be responsible for:

• Interpreting complex hydrogeological datasets and contributing expert conceptual understanding to groundwater systems and numerical models

• Supporting the design and implementation of integrated groundwater and water management strategies aligned to operational regulatory and project needs

• Preparing highquality technical reports and hydrogeological assessments to support environmental approvals and business decisions

• Leading and overseeing hydrogeological field programs including drilling testing and monitoring activities

• Developing detailed scopes of work for dewatering reinjection water supply and groundwater monitoring infrastructure

• Building and sustaining strong relationships with operational teams regulators and external partners

About you

• A commitment to the safety of yourself and your team

• A bachelors degree in Hydrogeology Geoscience or a related discipline (postgraduate qualifications advantageous)

• Strong technical capability in hydrogeological analysis and reporting

• The ability to engage collaboratively with a wide range of internal and external stakeholders

• Experience in operational mining environments (highly regarded)

• A practical solutionfocused approach with a positive cando mindset

Whatwe offer

Be recognised for your contribution thinking and 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

• 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 personal & cultural leave)

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

• Possible domestic relocation assistance

Where youll be working

Youll be based at our Central Park office in Perth a modern workspace designed to support collaboration and professional growth. Youll be able to enjoy a range of benefits including access to a modern gym wellness programs and convenient amenities that support a healthy work-life balance. Situated in the heart of Perth we are close to public transport and several parking options.

This role will include adhoc travel to Pilbara operationsas required.

Applications close on Tuesday 21st 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.