Specialist Mine Infrastructure

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.

SpecialistMine Infrastructure

• Excellent opportunity to be part of a world-class underground mining project
• Great exposure and development opportunities within the Owner's team
• Collaborative and high performing environment at an exciting location
• International FIFO 4/2 Roster

About your role

We are looking for a Specialist Mine Infrastructure to join our Underground Operations Team delivering the world-class mine in Mongolia. This is a key role within the owner's team with the responsibility for the safe and timely completion of engineering deliverables and management of major fabrication packages to support the construction of the Block Cave production infrastructure.

The scope includes all aspects of underground sustaining capital infrastructure engineering design and fabrication, notably truck loading chutes, steel lined ore bins, extraction level and haulage level concrete roadways, services reticulation (service water, compressed air, dewatering, dust suppression and power), Drawpoint steel sets, workshop facilities, dewatering pump stations and associated infrastructure.

The is role will lead the coordination of the scope development, project schedule, engineering design, tender packages and evaluation, major component procurement and package management, contractor management for the cave production infrastructure for the underground block cave Panels #1 and #2.

The role shall ensure that the designs and fabrication are compliant with the Oyu Tolgoi health and safety systems and procedures, ensuring designs and fabricated components are completed to the required standard, quality and international best practices.

Working within the Extraction Level/Haulage Level Construction integrated delivery team (mining and construction disciplines) and reporting to the Manager Underground Construction for mine plant improvements you will lead the following;

• Collaborate with operations teams to identify issues and process bottlenecks.
• Analyze reports from fixed plant and infrastructure teams, provide recommendations, and track implementation.
• Lead the implementation of reliability and production improvement projects in coordination with all stakeholders.
• Prepare and present weekly and monthly reports for management, highlighting key insights and progress.
• Scope and MTO development for new packages
• Package procurement and implementation strategy development to support the long-term objectives of the business
• Development of Project Budgets, cost estimation and approvals
• Review spare strategies, maintenance, and operation reports to analyze issues and bottlenecks.
• Utilize experience in plant operations to drive continuous improvements.
• Assess and refine operations and maintenance strategies for enhanced efficiency.
• Actively participate in Root Cause Analyses (RCAs), maintenance meetings, and operations discussions
• Coordination of Tendering Process and Technical Evaluations
• Coordinate the weekly / monthly reporting
• Focus on safety in design aspects of new scope to minimize the risks associated with execution
• Support the interface between engineering, technical, operations and construction teams providing constructability reviews, HAZOPS, incorporation of lessons learned into future scope.
• Providing technical and constructability support and direction on engineering matters, building on and sharing of the lessons learned
• Participating in constructability reviews to identify opportunities to improve execution and/or operations of the facilities
• Maintaining relationships with key stakeholders to drive a culture of collaboration, participation and improvement

About you

To be successfully considered for this role, you will have the following:

• Experience in leading complex Construction projects and multidisciplinary teams for plant improvements.

• Outstanding commitment to HSE and Quality

• University qualification in Engineering discipline.

• Hands-on construction experience in greenfield and brownfield Construction projects.
• Extensive experience in piping systems and underground mining construction, operations, and maintenance.
• Strong analytical and problem-solving skills with a focus on operational efficiency and reliability.
• At least 15 years of experience in maintenance, Construction and design Construction experience in Civil, structural, Mechanical and Piping projects.
• Have experience in the coordination of multiple Contractors, operation teams
• Excellent communication and interpersonal skills
• Demonstrated ability to work as part of an integrated delivery team
• An ability to work autonomously within a highly complex project delivery environment
• A can-do attitude that seeks to provide solutions and a desire for continuous improvement

A desire to pass on your wealth of industry experience and knowledge in order to accelerate development of capability and knowledge amongst the company and contractor national workforce.

It will also be beneficial if you have:

• Underground construction experience
• Experience in Ore Handling systems, chutes, ore bin.
• Experience in national capability development and working overseas

About us

Joining the Rio Tinto Oyu Tolgoi Underground Project team 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 Rio Tinto Oyu Tolgoi Underground Project 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 kilometres from the Chinese border, the Oyu Tolgoi open pit 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 OT site, please check out this video.

Where you'll be working

Oyu Tolgoi is an operating Copper / Gold open pit mine with a brownfields underground mining project. 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 27, 2025

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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.