Senior Engineer Project – E&I Design

Senior Engineer Project E&I Design – Underground Projects Management

• 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 in Mongolia

About your role

We are looking for a Senior E&I Project Design Engineer to join our project team delivering the world-class Oyu Tolgoi underground mine in Mongolia. This is a key role within the Owner’s team with the responsibility for the safe and timely delivery of the cave Production Infrastructure.

The Senior Engineer is accountable for providing technical expertise to the Underground engineering project team through the development of engineering detailed design.

Working within the OT Underground Project Management team, mining and construction disciplines you will:

• Ensure compliance to the OT HSE and Quality Management Plans
• Show outstanding leadership and commitment to HSE and Quality
• Liaise with the project controls personnel to provide accurate updates of progress
• Review and manage performance of external engineering providers

• Provide continuous guidance to engineering team members.
• Develop, oversee, review, and deliver electrical, control and instrumentation engineering designs, drawings, data sheets, project related specifications and other design documentation as required and in accordance with Mongolian, ISO and OT Site Standards

• Plan and deliver engineering designs for extraction level and haulage level infrastructure including; cave draw points, ore handling tipples, ore grizzlies, ROM ore bins, truck loading stations, mobile drill workshops, overhead crane runways, workshops, underground dewatering dams for the near term and future stages of the Oyu Tolgoi underground mine
• Manage activities and review engineering designs provided by external engineering providers. Review the engineering related documentation for compliance and completeness and initiate appropriate corrective actions.
• Liaise with Package engineers on providing technical support and review construction material specification for procurement packages and participate bid evaluation review process to attain successful material procurement.

• Produce engineering Basis of Design, and preliminary design drawings and documentation needed to inform the requirements for detailed design.
• Coordinate and lead studies on engineering projects as assigned

About you

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

• Degree qualified electrical engineer with minimum 10 years of experience.
• At least 5 years of experience in the design and execution of mining and industrial construction projects with delivery of electrical, instrumentation and controls for mining and industrial applications to the project’s quality and performance requirements.
• Relevant Professional/Chattered Engineering registration with engineering bodies/councils
• A detailed understanding of engineering design deliverables including electrical drawings, datasheets, specifications, MTOs, scope of works for packages and construction.
• Experience in relevant design packages and software.
• Outstanding commitment to HSE and Quality.
• A demonstrated ability to work as part of an integrated delivery team.
• An ability to work autonomously within a highly complex project delivery environment.
• Excellent communication skills. English competency in both written and oral is essential.
• Experience working in developing countries with exposure in coaching and facilitating skills transfer to nationals.
• Excellent computer skills including proficiency in the use of Microsoft Office suite, AutoDesk AEC, Deswik, 3D design software.

It will also be beneficial if you have:

• Underground mine construction experience

It will also be beneficial if you have:

• Underground mine ore handling and infrastructure design experience
• Experience in dealing with packages related to the supply of structural steelwork
• Experience managing International engineering service providers/design houses as part of the Owner’s team.

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 to top tier family-friendly health and medical programs
• Employee Assistance Program
• Ongoing individual wellbeing support for you and your family for personal and professional matters.
• 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 can 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 Jan 31, 2026.

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About Rio Tinto
 

Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminium, 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 situations and meet opportunities.

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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