Research Scientist, Nuclear Power Plant Analysis

Are you interested in development of simulation tools and methods, and looking for a new job opportunity in the field? Would you like to develop innovative technology with superb colleagues who are top experts in their field? Do you want to build an excellent science career and work at the interface of academy and industry? Are you enthusiastic about working with fascinating projects in the state-of-the-art research facilities? VTT might be just the place for you.

VTT is one of the leading applied research organisations in Europe. What unites us are curiosity, a passion for learning and a purpose: to solve the biggest challenges of our time and turn them into sustainable growth and well-being. Our cross-disciplinary community of over 2400 brilliant minds from 60 different nationalities focuses on creating impact through science-based innovation.Get to know us further by exploring VTT's tech & infra.

We are now looking for a Research Scientist to join our Nuclear power plant analysis team.

As a Research Scientist, your key goals are in research and development related to numerical simulation and modelling of nuclear power plants and other industrial processes. In this position, you will have an essential role in development of the Apros process simulation software — an efficient platform for modelling and simulation of industrial process systems.

Our team, Nuclear power plant analysis works on R&D related to analysing the behaviour of nuclear power plants by means of numerical simulation, to ensure their safety and efficient operation. At the centre of our operations is the Apros software, that is used for safety assessment, optimization and design of nuclear installations as well as other industrial systems. We are currently working with major renewal and enhancements to the software.

Read more about our research:

• www.apros.fi
• www.sane-euratom.eu

Your responsibilities as Research Scientist:

• You’ll use your deep understanding of numerical simulation of physical systems and skills in software development, to participate in development the upcoming, modern version of the Apros software
• You’ll participate in maintenance and support of the existing Apros software platform, implementing bug fixes, enhancements and new features, and writing documentation and tutorials
• You’ll participate in nuclear safety related research and customer projects, with duties including modelling and simulation, verification and validation of tools and methods, and writing scientific reports.

Who we are looking for:

• You have a Master’s degree in Engineering or Science, with extensive coverage of topics such as physics, mathematics and numerical methods, to enable successful participation in simulation code development
• You have a keen interest in programming, with strong grasp in at least one of the following languages: C++, Julia, Fortran. You also work efficiently both in Linux and Windows environments and know the basics of version control with git
• You have at least two years of experience in modelling and simulation and/or development of numerical simulation tools

As a person, we hope that you are:

• A fast learner who is capable of working in a flexible and independent manner, and collaborating with colleagues across different fields of science and technology. We appreciate curiosity, passion as well as the ability to take the long-term perspective and find beyond-the-obvious solutions

With VTT, you’ll enjoy: / What we offer you:

• Visionary work in technology. We offer positions at the cutting-edge of technology and engineering from next generation microelectronics and quantum technology to automation and robotics, energy systems and more. Our research agenda is dedicated to creating sustainable growth by solving systemic and technological challenges, so your work will go towards creating real, positive impact. Read more about our strategy – the path of exponential hope.
• Fascinating projects, excellent research environment. Our researchers get to work on a combination of cutting-edge academic research and applied customer projects, both locally and internationally. At VTT, you’ll have state-of-the-art research facilities such as VTT Centre for Nuclear safety.
• Great career opportunities, superb colleagues. At VTT, excellence in research is a strategic priority. We offer long-term positions and stable career paths in top-level research. People tend to stay with us over 10 years since there are always new roles and responsibilities to grow into. Collaborating in a cross-disciplinary community with superb colleagues is a source of learning, inspiration, and fun. Read more about our organisational culture as the builder of the world's most meaningful place to work.
• Support for your well-being. Our people are our main asset, so we take good care of them. We aim to nurture great team spirit and leadership and offer versatile well-being services to enable a good work–life balance. On top of annual 6 weeks of paid holidays (after one year), we offer exercise and culture benefits, hobby clubs, and other versatile services aiming to support your occupational wellbeing.

Apply now and join our community of brilliant minds!

Please send your CV with your salary request at the latest by the 1st of March 2026. A security clearance procedure is conducted during the recruitment process.

Interested and want to hear more?

For further information, please contact Research Team Leader Joona Kurki, joona.kurki@vtt.fi, 020 722 5041 on February 13, 9:00-10:00 or February 20, 9:00-10:00

We look forward to hearing from you!

Employment type: Full-time, Permanent

Location: Kivimiehentie 3, Espoo, Finland

VTT

VTT is a visionary research, development and innovation partner. We drive sustainable growth and tackle the biggest global challenges of our time and turn them into growth opportunities. We go beyond the obvious to help the society and companies to grow through technological innovations. We have over 80 years of experience of top-level research and science-based results.VTT is at the sweet spot where innovation and business come together.

VTT – beyond the obvious.