Digital Twin Specialist, High-Performance Computing Infrastructure

Do you want to develop cutting-edge solutions for sustainable and green AI factories and supercomputers?

At CSC, we offer unparalleled growth opportunities, a supportive and inclusive environment, and the chance to work on the future of research and learning. Join us today!

We are looking for a Digital Twin Specialist to develop a digital twin model for supercomputers and their operating environment. You will work in our RDI project in Kajaani, Finland, in close cooperation with CSC’s HPC and data center experts, and our project partners University of Oulu and Kajaani University of Applied Sciences.

The position is fixed-term until 31.12.2027 and based in Kajaani. Remote work options are negotiated separately.

CSC is a well-recognized actor in international HPC domain. CSC hosts a pre-exascale supercomputer EuroHPC LUMI in Kajaani and is currently in a planning phase for a LUMI AI supercomputer, which will be operational in 2027 in Kajaani. As one the most sustainable HPC operators and active member of local Kajaani Data Center Ecosystem (https://kdce.fi), CSC is continuously supporting and implementing new solutions for energy-efficient and low carbon HPC infrastructure and data centre operations. Digital twins are seen as an important technology to model, plan and optimise, not only the core supercomputer operations with cooling, load and power factors, but also the external layers with available energy sources and their costs, and how all previous affect to the production of excess heat.

As a Digital Twin Specialist you will get familiar with ExaDigiT (https://exadigit.github.io/), an open digital twin framework for supercomputers, and test LUMI infrastructure and operations modelling with the framework. You will then expand the framework and digital twin with needed modules to support the modelling of energy and excess heat related part of the data centre. In your role, you will get familiar and follow HPC and data centre research and technologies.

CSC cooperates internationally with many partners, and as ExaDigiT is also developed through international collaboration, so we expect you to be ready for occasional travel and active participation in technical meetings, virtual calls, and collaborative documentation processes.

Key Responsibilities in the role are:

• Modelling and testing ExaDigiT with EuroHPC LUMI supercomputer data

• Planning and implementing extensions and modifications to ExaDigit, especially for energy usage, cooling, and excess heat simulation and optimization.

• Actively participating in the joint RDI project and the daily cooperation with project members and partner

What we expect

To be successful on the role, you need:

• M.Sc. degree in relevant field (e.g. Engineering or Computer Science)

• Strong interest towards HPC and data centre technologies, research and industry

• Demonstrated practical skills in software development with Python and other tools and technologies in Linux environment

• Have experience in at least one of the following topics:

• Digital twin technologies

• Systems or process simulations and modelling

• Data centres

• To be a team player, but also able to operate independently

• Drive to develop your personal competencies and ability to learn quickly new things

• An open minded, cooperation-oriented mindset with strong verbal and written communication skills in English

We also value:

• Expertise in AI technologies

• Basic skills in Finnish

What we offer

At CSC, our employees enjoy a wide range of benefits designed to support both their professional and personal lives. We offer flexible working hours and the option for remote work, making it easier to balance work and daily life. Our comfortable workspaces in Keilaniemi, Espoo, and Renforsin Ranta, Kajaani, are designed to facilitate both teamwork and tasks that require quiet concentration. We provide comprehensive occupational healthcare services, comprehensive health insurance, and remote work insurance. Employees can take advantage of a lunch benefit during the workday, and we support recreational activities with sports and cultural benefits.

Please send your application by March 8, 2026.

The recruitment process will include interviews and a work personality assessment. Interviews may begin already during the application period, so we encourage you to apply as soon as possible.

Diversity is part of who we are, and we continuously work to ensure the diversity and equality of our workplace. We encourage all skilled applicants regardless of background to apply for the position.

We only process applications submitted through our official recruitment system. Applications sent by email will not be considered for data protection reasons.

If you have any questions regarding the position, please get in touch with Development Manager Sebastian Von Alfthan, sebastian.von.alfthan(@)csc.fi, tel. +358 40 588 8688, or Senior Project Manager Mikko Kerttula, mikko.kerttula(@)csc.fi, tel. +358 50 381 2766.

Who are we?

We work together for the future of research and learning through advanced technology. Our competence is the platform on which our society researches, learns and remembers. With us, you get to do meaningful work for the digitalisation of Finnish society, not forgetting significant international cooperation projects.

CSC is a non-profit special assignment company owned by the Finnish government and Finnish higher education institutions. We build digital solutions for data management, scientific computing, and education that enable researchers, learners, and companies to understand the world.

Our company’s key resource is our curious personnel with a willingness to learn, and their well-being at work is very important to us. As a community, we work to ensure that well-being, diversity and inclusiveness are embedded in our culture and practices.

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