Make your mark with Thiess  

Every day, all around the world, Thiess supports and celebrates our people. We recognise talent, reward transparency, champion diversity and embrace change.

Join us and hone your skills and develop new ones. Take on big challenges and grow through mentorship, collaboration, and empowerment.

The Opportunity

Reporting to the Senior Geologist, you will play a key role in providing geological and technical support across the operation, ensuring coal quality, recovery and geological data integrity are maintained to support mine performance and client expectations.

As Geologist, you will work closely with Technical Services, Mining, CHPP and operational teams to deliver accurate geological interpretation and support mine planning activities. You will be responsible for monitoring coal quality, mapping geological structures, maintaining geological models and providing practical advice to optimise coal extraction.

Key Responsibilities

• Monitoring and controlling coal quality and recovery outcomes across mining operations.
• Mapping geological structures including faults, intrusions and oxidised coal exposures.
• Interpreting blast-hole geophysical logging data and providing accurate coal roof surfaces to Drill & Blast teams.
• Maintaining and updating short-term geological structural models.
• Tracking coal movements from pit to CHPP and supporting coal scheduling and blending activities.
• Preparing reconciliation reports, gain and loss claims and geological reporting for internal and client stakeholders.
• Providing geological advice to Mining, Planning and Production teams to support efficient extraction of coal resources.
• Assisting with geological input into mine planning, survey activities and drill and blast design.
• Supporting end-of-month reporting processes and maintaining accurate geological records.
• Promoting a strong safety culture through compliance with site safety, health and environmental standards. 

About You

To be successful in this role, you will bring:

• Tertiary qualifications in Geology.
• Minimum two years' experience as a Geologist, preferably in an open-cut coal mining environment.
• Sound understanding of geological structures, data interpretation and coal mining processes.
• Exposure to mine planning and scheduling principles.
• Strong communication and stakeholder engagement skills.
• Experience using geological and mining software such as Vulcan, GIS applications and Microsoft Office.
• A commitment to safety and compliance with Queensland mining legislation and standards.
• Current driver's licence and ability to obtain site light vehicle authorisation.

Desirable:

• Diploma in Front Line Management.
• Understanding of surveying techniques and geotechnical processes within a mining operation.

What we offer

At Thiess, our people are the heart of everything we do. We're committed to creating a workplace where everyone can thrive - safely, confidently and with opportunities to grow.

• Competitive salary package.
• Ongoing training & development opportunities.
• A strong safety-first culture across all operations, built on care, respect and accountability.
• Range of corporate discounts including health insurance (Medibank), travel & retail products.

About us 

Thiess works with clients in Australia, Asia, and the Americas in the dynamic field of open-cut and underground mining. The pioneering spirit of our founders - the legendary Thiess brothers - is our legacy and has inspired our vision to harness the power of people and technology to drive sustainable change for more than 90 years.

Learn more about Our Vision, Purpose & Values.

At Thiess, we're creating a culture of curiosity, knowledge-sharing and continuous learning - supporting our people to contribute to Thiess' success and continued growth in sustainable mining.

We recognise the value of an inclusive and diverse workplace through our vision: everyone matters always. We're focused on creating an inclusive environment to enable our people to bring their best self to work because they feel safe, included, and empowered.

Learn more about working at Thiess.

How to Apply

This role is an opportunity to take the next step in your career. With our culture of recognition, development, and a stimulating and satisfying work environment, there is no better time to join Thiess.

Please click the "apply" button below to apply for this role.

Thiess follows a Pre-Employment Process for all successful applicants, which includes two employment references, a National Police Check, and a medical assessment. These checks are essential to your application, and your recruiter will support you through the process.

Should you require assistance applying for this opportunity, please contact us at hiring@thiess.com. 

Applications close: Wednesday 29 September 2026