Specialist Hydrogeologist

Specialist Hydrogeologist Perth Based

• Unique opportunity to utilise your technical expertise whilst working within a dedicated team of talented Hydrogeologists.

• A dynamic and varied role allowing you to positively engage and partner across the business.

• Enjoy flexible working arrangement to achieve your desired work-life balance where you can choose to work a mix of office / home days flexible hours and opportunities to undertake ad-hoc site visits to the Pilbara.

Finding better ways to provide the materials the world needs.

We are seeking aSpecialist Hydrogeologistto join ourResource Development Hydrogeologyteam within theGreater Brockman (GBO)Hub.

Reporting directly to the Hydrogeology Superintendent of GBO the Specialist Hydrogeologist will be responsible for delivery of water related investigations to improve RTIOs hydrogeological knowledge base and facilitate future expansion projects while sustaining ongoing mining operations within the 10-year time horizon.

The role will also require the development of innovative groundwater management strategies to effectively mitigate dewatering / water supply related risks to key environmental receptors within the deposit area. The Specialist position will manage a diverse array of activities spanning technical hydrogeology analyses reporting drilling design studies and approval support and contract / financial management.

The role demands a practical approach to technical problems an understanding of risk-based assessments and an ability to work proactively within multi-discipline teams. A positive can do attitude to achieve results is highly regarded.

Key tasks of theSpecialist Hydrogeologistrole will include:

• Interpret complex hydrogeological datasetsand contribute expert conceptual understanding to numerical models groundwater systems and related environmental processes.

• Build and sustain strong relationshipswith internal teams operational stakeholders regulators and external partners to support effective water management outcomes.

• Design and implement integrated water management strategiesthat align with operational needs regulatory approvals project studies and longterm resource development objectives.

• Prepare highquality technical documentation including hydrogeological assessments and reports that underpin water management decisions and environmental approval submissions.

• Support the development of emerging Hydrogeologists providing technical guidance coaching and mentorship to build team capability.

• Lead and oversee hydrogeological field programs ensuring technical accuracy safety compliance and effective project execution across drilling testing and monitoring campaigns.

• Develop detailed scopesof work for the planning and design of dewatering reinjection water supply and groundwater monitoring infrastructure.

What you will bring

• A minimum bachelors degree in a relevant Hydrogeology or Geosciences field (post-grad qualifications in hydrogeology advantageous).

• The ability to engage effectively and collaboratively with a diverse range of internal and external partners.

• Previous experience in Operational Mining environments will be considered favourably.

• Commitment to health and safety and promoting a positive team behaviour / supportive culture.

What we offer

Be recognised for your contribution your thinking and your hard work and go home knowing youve helped the world progress.

• An opportunity to be part of the worlds largest integrated portfolio of iron ore assets.

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

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

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

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

• Leave for all of lifes reasons (vacation/annual paid parental personal leave).

• Attractive share ownership plan and an array of salary sacrifice and packaging options.

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

Where youll be working

In the Pilbara region of Western AustraliaRio Tinto operates the worlds largest integrated portfolio of iron ore assets with industry-leading performance and technology. Our iron ore business continues to be the worlds largest autonomous truckoperator and a proud leader in automated mining technologies.

This role is based in Perth at our Central Park building with ad-hoc travel to operating sites as required.

Applications close on 8 February 2026 (Rio Tinto reserves the right to remove advertised roles prior to this date)

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.