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

Thiess is seeking experienced and motivated Process Engineer CHPP (Maintenance) to join our high-performing team at Mongolia Project

As Process Engineer CHPP, you will:

• Be responsible for improving the reliability, efficiency, and performance of the gold handling and preparation plant through effective process optimization, maintenance strategy development, asset performance analysis, and continuous improvement initiatives.
• Work closely with Operations, Maintenance, Planning, Reliability, and Projects teams to maximize plant availability, product quality, and cost performance while ensuring compliance with safety and environmental standards.
• Support the Maintenance team in improving equipment reliability and availability.
• Monitor and optimize water recovery systems and tailings management processes.
• Analyse production, maintenance, and quality data to identify trends and opportunities.

About you

• Bachelor's degree in chemical engineering, Mineral Processing, Metallurgical Engineering, Mechanical Engineering, or related discipline.
• Minimum 5 years' experience in a gold processing, or mineral processing environment.
• Strong understanding of gold preparation and processing systems.
• Experience with process troubleshooting and plant optimization.
• Sound analytical and problem-solving skills.
• Proficiency in Microsoft Office and data analysis tools.
• Experience in reliability engineering or maintenance improvement programs.
• Experience with SCADA, PLC, historians, and process monitoring systems.
• Lean Six Sigma certification.
• Project management experience.
• Knowledge of condition monitoring and predictive maintenance techniques.

What's on 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.

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.