Research or Senior Scientist, Computational Fluid Dynamics

Espoo, Finland

2025-08-15 (Europe/Helsinki)

Are you interested in CFD modelling and looking for a new job opportunity in the field? Are you interested in using GPUs for high performance computing? 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? 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 2300 brilliant minds is focused on creating impact through science-based innovation. In recent years, we have been working on ground-breaking innovations such as quantum computers, production of hydrogen and e-fuels, and novel bio-based alternatives for plastics and other components. Get to know us further by exploring VTT’s research infra at VTT World.

We are now looking for a scientist to join our process modelling team to develop and apply Computational Fluid Dynamics (CFD) to challenges in the energy and process industry. Together with your colleagues, you will have a key role in developing new modelling methods and services to support our customers in chemical and process industry and energy production. You will be using and developing CFD tools to support our customers’ operations and R&D activities.

The focus areas of our research team include low-carbon industrial processes and hydrogen utilization. Our main simulation tools are OpenFOAM and ANSYS Fluent. We participate actively in the development of the multiphase solvers of OpenFOAM. You have the opportunity to work with leading companies in the process and energy industry. Our work is based on our profound scientific understanding and validated methods, which are supported by our in-house process and industry experts. We have excellent tools and a recognized team that has pioneered in CFD for more than 30 years.

Your responsibilities as Research Scientist:

• CFD simulations of different processes, particularly related to reactive and multiphase flows using OpenFOAM and ANSYS Fluent.
• Development of modelling components and tools based on OpenFOAM or ANSYS Fluent.
• Communication of software development items (APIs, architecture, requirements) with other internal and external developers.
• Developing customer cases and managing projects in collaboration with colleagues.
• Communicating with key stakeholders in companies and in the academia orally and in writing.

Who we are looking for:

• You have a Master of Science or PhD degree in relevant field, such as energy/process engineering or computer science
• Proficient in using OpenFOAM and developing models for OpenFOAM
• Solid experience in C++ programming
• Knowledge on chemistry and GPUs is an advantage

As a person, we hope that you are:

You are positive, passionate and committed to your work. You deliver according to the targets. You have an analytical mind-set, and you are a problem solver with scientific curiosity and proactive attitude. You love to learn and develop your expertise. You work well in a group and enjoy collaboration but are capable of independent work on assigned targets.

What we offer you:

• Visionary work in technology. 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.
• 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.
• 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.

Apply now and join our community of brilliant minds!

Please send your CV and application with your salary request and Github profile via our recruitment system as soon as possible but at the latest by 15th of August 2025. We will process applications as they come in, and fill in the position as soon as we find the right candidate.

Interested and want to hear more?

For further information, please contact Research Team Leader Timo Pättikangas, tel. +358 40 595 1968, e-mail timo.pattikangas@vtt.fi.

We look forward to hearing from you!

Apply between 18 July 2025 and 15 August 2025 23:59 (Europe/Helsinki)

Employment type: Full-time, Permanent

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 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.