Oyu Tolgoi’s workforce today is more than 97 per cent Mongolian, and a major strategic focus for the company is to develop a skilled workforce that is continuously learning. We aim to attract the best talent, so that we can together deliver a safe and globally competitive copper business that contributes to the prosperity of Mongolia.
Oyu Tolgoi LLC is operating a copper-gold mine in southern territory of Mongolia. The company aspires a vision ‘Natural wealth to enduring value, knowledge, and skill’, and pursues a mission, 'Together deliver a safe and globally competitive copper business that contributes to the prosperity of Mongolia' to build one of the largest copper-gold mines worldwide.
Principal Advisor UG Mobile Maintenance
- Make an impact and contribute to the development of a world-class project within a pioneering organisation
- Great opportunity to work for a global company at the forefront of mining
- Dynamic work culture and great exposure to multicultural teams
Join one of the world’s most exciting copper-gold mining projects
Oyu Tolgoi is one of the most exciting projects in copper and gold mining for several decades. It contains reserves and resources that make it one of the world’s largest known copper and gold deposits. The project, managed by Rio Tinto, is expanding underground. With a high demand of skills required to complete the project safely and successfully, Oyu Tolgoi is expected to be a significant contributor to Mongolia’s development and the prosperity of the Mongolian people.
The Opportunity
We are looking for Principal Advisor UG Mobile Maintenance to support the UG Mobile Maintenance Team by coaching and mentoring the national leaders in all aspects of UG mobile equipment asset management. This is a senior role that requires suitable background experience in large complex UG mobile fleet management. The Principal Advisor UG Mobile Maintenance is responsible for providing expert guidance on asset management best practices, ensuring effective structures, processes, and systems for underground mining operations. This role involves strategic leadership, stakeholder engagement, and collaboration to enhance asset performance, compliance, and operational efficiency.
What the role entails
This role is a great opportunity to take the next step in your career on a truly global project with FIFO to site 4 weeks on and 2 weeks off reporting to the Manager Maintenance Reporting to the Manager UG Mobile Maintenance, you will be:
- Influencing the safety culture for the UG Mobile Maintenance team,
- Accountable for providing expert guidance on underground mobile equipment maintenance management,
- Provide management support to the national leaders,
- Provide rotational coverage for the Manager Mobile Maintenance, coach and mentor the national leaders within the mobile maintenance team,
- Driving performance and providing leadership to the team,
- Overseeing and monitor the performance of large OEM service contractor(s), to ensure compliance with work management metrics and equipment performance metrics,
- Engaging stakeholders and contractors to ensure maintenance activities are performed safely and in accordance with Rio Tinto standards and procedures,
- Providing technical support and direction on UGHME maintenance execution, safety, strategy planning and equipment performance,
- Maintaining relationships with key stakeholders to drive a culture of collaboration, participation and improvement, and
- Liaising with and coordinating the interface between Mining operations team and the Mobile Maintenance teams.
What you will need for this role
To succeed in this role, you will have:
- An Engineering degree qualification or suitable experience with trade and asset management background
- Be highly respected as a Asset Management / UG mobile maintenance leader and subject matter expert.
- Have extensive experience leading maintenance teams, preferably in a variety of mine sites across commodities.
- Have a deep commitment and passion for developing people at the front line.
- Be a skilled coach, trainer and adviser.
- Have good understanding of, and proven skills in, work management process analysis and improvement.
- Have strong communication skills and proven ability to engage and build relationships across multiple layers of the organization from management to front line leaders and technicians and operators.
- Have strong organizational skills with the ability to effectively prioritise tasks and work both independently and as part of a team.
- You will be part of a high performance team dedicated to continuous improvement, your diversity of thought and practical experience will be highly valued.
- You will be empowered to enable higher performance through people and make a real difference to the performance of our business.
- Experience in the facilitation and implementation of improvement programs
What we offer:
Be recognized for your contribution, your thinking, and your hard work, and go home knowing you’ve helped the world progress.
- A work environment where safety is always the number one priority
- Excellent career opportunity one of the world's leading mining organizations
- A competitive base salary reflective of your skills and experience with an annual incentive program
- Private health insurance for employees
- Attractive share ownership plan
- Career development & education assistance to further your technical or leadership ambitions
- Leave for all of life’s reasons (vacation/annual, paid parental, sick leave)
About us
Joining the Rio Tinto majority owned Oyu Tolgoi operations is a great opportunity to be part of one of the most exciting developments in copper and gold mining for several decades. The mine contains reserves and resources that make it one of the world’s largest copper-gold deposits.
This mega project is expected to be a major contributor to Mongolia’s development. As part of the Oyu Tolgoi Operations team, you have the ability to contribute to something significant and learn and develop both personally and professionally. We offer a collaborative, high-performing environment where success is achieved by working together.
Discover more about Mongolia and Oyu Tolgoi
Mongolia is increasingly becoming a destination for tourism and expatriate residents. As a rapidly developing city, Mongolia's capital Ulaanbaatar is seen as a comfortable, yet exciting place to live. With an array of cultural and social activities available and a growing network of international schools, housing options, and leisure facilities, its home to a growing community of international expatriates.
Located in the South Gobi Desert, just 80 kilometers from the Chinese border, the Oyu Tolgoi mine and camp is a large, well-run, and comfortable site with multiple amenities including recreational and sports facilities, a cinema, shops, restaurants, and bars catered to a growing community. For more information about the OT site, please check out this video.
Where you’ll be working
Oyu Tolgoi is an operating Copper / Gold open pit and underground mine. The site is located in the Gobi Desert region of Mongolia. The reserves case for the underground project is in the order of 0.5 billion tonnes of ore to be mined from the 95,000 tonnes per day Hugo North Lift 1 (HNL1) panel cave mine with a 20-year operations life. There is also the potential for 3 further block cave districts to increase mine life beyond 100 years.
Every Voice Matters
At Rio Tinto, we particularly welcome and encourage applications from Indigenous Peoples, women, the LGBTQIA+ 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.
Job application closes on Nov 10, 2025
#GTS
Respect and Inclusion
At Rio Tinto, we particularly welcome and encourage applications from Indigenous Peoples, women, the LGBTQIA+ 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.
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Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminum, 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 can’t do it on our own, so we’re focused on creating partnerships to solve problems, create win-win and meet opportunities.
At Rio Tinto, we particularly welcome and encourage applications from Indigenous Peoples, women, the LGBTQIA+ community, mature workers, people with disabilities, and people from different cultural backgrounds.
We are committed to an inclusive environment where people feel comfortable being 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 who we are.
Start your application
Take your leadership career to the next level.
Where can Rio Tinto take you?
You’re passionate and ambitious with tremendous career aspirations. The breadth and growth of our organisation empowers you to define your ideal career path.
Take a look at Katie’s career journey
Take a look at Shona’s career journey
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Working at Rio Tinto
Help us deliver the materials that make human progress possible.
The plane you’re flying in just landed. You fire up your phone and get your laptop out of the overhead bin. Immediately, you’re in work mode – thousands of miles from your office. Do you ever stop to think about all the materials that make life in the 21st century possible? At Rio Tinto, we discover, develop and deliver the materials that drive human progress. When you work with us, you’ll experience advantages you won’t find anywhere else.
Our application process
01
Apply
The first thing you’ll need to do is apply to the role. You can do this with your LinkedIn profile or you can upload your resume. We’ll also ask you to complete a few questions before you submit your application.
02
Undergo assessments
Our assessments are designed to help us work out whether you are suitable for the role. We will let you know which ones you’ll need to complete.
03
Interview(s)
Our interviews could be in person or online. It’s a great opportunity for us to get to know you a bit better, answer any of your questions and talk about the exciting career opportunity you have applied for.
04
Offers and checks
At this stage, we will let you know if you have been successful. If you have been, we’ll need to conduct a couple of checks, such as a background or security check. You may also need to do a medical assessment depending on the role you have applied for.
05
Join the Rio Tinto team
Once the checks have been completed, we’ll be in touch to talk with you about your start date and answer any questions you may have before you start with us.