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.
Senior Structural Design Engineer – Underground Mining
* 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 Structural 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 Structural Design 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, ensure that the deliverables are completed in a timely and budgeted manner
* Provide continuous guidance to engineering team members.
* Develop, oversee, review, and deliver structural engineering designs, 3D models, drawings, data sheets, project related specifications and other design documentation as required and in accordance with Mongolian, ISO, ACI, AISC, ASME and OT Site Standards
* Plan and deliver engineering design of structural steelwork, reinforced concrete structures and foundations 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, underground concrete roadways, underground dewatering dams for the near term and future stages of the Oyu Tolgoi underground mine.
* Produce engineering Basis of Design, engineering structural calculations, structural analysis, and preliminary and detailed design drawings and documentation.
* Work with the CSA and Mechanical CAD designers, assisting with development, planning and coordination of engineering designs entailing technical specifications and detailed planning to meet project and client requirements.
About you
To be successfully considered for this role, you will have the following:
* Degree qualified civil structural engineer with at least 5-10 years of experience
* At least 5 years of experience in the design and execution of mining and/or industrial construction projects with delivery of engineering/designs for structural steelwork, reinforced concrete structures and foundations.
* Relevant Professional/Chattered Engineering registration with engineering bodies/councils
* A detailed understanding of engineering design deliverables including structural drawings, reinforced concrete drawings, datasheets, specifications, MTOs, structural analysis and calculations, scope of works for packages and construction.
* Working knowledge of design procurement packaging and related project management tasks
* 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
* Experience working in developing countries with exposure in mentoring and facilitating skills transfer to national engineers
* Experienced in dealing with external engineering design providers and maintaining their man hours, review and approve engineering deliverables to ensure design is within budget and timeframes
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.
Job application closes on Nov 30, 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.