Specialist UG Electrical Maintenance

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.
 

Specialist UG Electrical Maintenance (FIFO)

• 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

About the role

We are looking for a Specialist – UG Electrical Maintenance to join our diverse team. This is a key role within the Owner’s team, responsible for technical mentoring and engineering assurance across underground electrical and instrumentation systems, and for growing a diverse and capable team to support the lateral and mass excavation development ramp-up activities.

The Opportunity

The Specialist – Electrical & Instrumentation (E&I) contributes by providing technical leadership, mentoring, and assurance for underground electrical infrastructure and control systems. The role is critical to support national leaders (Superintendents, Specialists, Senior Roles), ensuring compliance with standards, and supporting cost-effective delivery projects and maintenance programs while building sustainable national capability in E&I engineering and maintenance.  Provide technical support, structured mentoring, and leadership development for national E&I Leadership roles. Ensure safe, compliant, and reliable operation of underground electrical and instrumentation systems, with a strong focus on high-voltage compliance, cost control, and capital project execution. The role contributes to SPS maturity, CRI compliance, and long-term asset reliability by embedding best practices in diagnostics, maintenance, and system optimization while building sustainable national capability.

What the role entails

This role is a great opportunity to take the next step in your career whilst working on a truly global project. Working 4 weeks on, 2 weeks off international (FIFO) roster, and reporting to Principal Advisor – Electrical, Instrumentation & Communication (Expat position), you will:

• Provide hands-on technical support and structured mentoring to national tradespeople, engineers, and emerging leaders.
• Support implementation and assurance of high-voltage switching standards and compliance protocols.
• Guide national Superintendents and Specialists in technical leadership, planning, and execution.
• Ensure compliance with site electrical standards and contribute to change management processes.
• Develop and deliver Safe Work Procedures (SWPs), Single Point Lessons, and competency verification tools.
• Assist with troubleshooting and defect elimination of control systems and HV reticulation issues.
• Participate in shutdown planning and execution, ensuring readiness and reliability of underground assets.
• Support cost control and capital project delivery through technical oversight and risk mitigation.
• Lead commissioning and upgrade initiatives for site-critical systems (e.g., MCCs, hoist redundancy, ventilation braking).
• Promote a strong safety culture and support Critical Risk Management activities.
• Coordinate with OEMs and vendors for troubleshooting, upgrades, and technical support.
• Collaborate with planners, engineers, and vendors to ensure reliable system performance.
• Support both underground and surface E&I systems as required.
• Lead skills development initiatives and contribute to structured succession planning for national E&I leadership roles.
• Identify competency gaps and implement targeted training and coaching to uplift team capability

What you will need for this role

• Minimum 10 years’ experience in E&I maintenance, including technical mentoring or supervisory responsibilities, preferably in underground mining or heavy industry.
• Electrical Engineering degree or trade certification
• Specialized training in underground E&I systems, HV Systems, diagnostics, and functional safety
• Functional Safety Technician or Engineer (preferred)
• HV Switching and Protection Systems Certification
• SAP or CMMS system training (preferred)
• Experience in mentoring and developing technical teams and leaders
• Understanding of SAP, work management and Shutdown management systems
• Experience in change management, continuous improvement, and capital project delivery.

Proven experience with:

• Material handling systems (crushing & conveying)
• Shaft hoisting plant maintenance
• Electrical infrastructure maintenance
• Automation and control systems
• Engineering process and design
• Project execution and delivery

What we offer

• A work environment where safety is always the number one priority
• International relocation and visa assistance if required
• Competitive package
• Career development to further your ambitions
• Access top tier family-friendly health and medical programs
• Employee Assistance Program
• Ongoing individual wellbeing support for you and your family for personal and professional matter
• Leave for all of life’s reasons (vacation/ annual, paid parental, sick leave)

About us

Joining the Rio Tinto Oyu Tolgoi Underground Operations 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 mining operation is expected to be a major contributor to Mongolia’s development. As part of the Rio Tinto Oyu Tolgoi Underground 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 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 13, 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.

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