HPC Application Specialist

Do you want to help advance Europe's climate and weather research by enabling scientists to efficiently use some of the world's most powerful supercomputers? At CSC, we offer unparalleled growth opportunities, a supportive and inclusive work environment, and the chance to work on the future of research and learning. Join us today! We are now looking for an HPC Application Specialist to join CSC’s Digital Twin Technologies Group in Espoo for a fixed-term contract until December 2029. Our team develops digital twin technologies that leverage cutting-edge computing platforms, such as EuroHPC LUMI (https://lumi-supercomputer.eu/). In this position, you will play a key role in an EU funded research project that aims to ensure that Europe’s flagship weather and climate applications can efficiently exploit current and future EuroHPC infrastructures. You will focus on streamlining the deployment, configuration and execution of these applications across different EuroHPC systems, by leveraging the EuroHPC federation platform (https://www.eurohpc-ju.europa.eu/supercomputers/eurohpc-federation-platform_e). You will work as part of an international team of scientists, HPC experts, and software engineers. The working language is English. Your key responsibilities will be to:

• Develop portable software build recipes for climate and weather applications on EuroHPC systems
• Enable portable deployment of the applications across multiple HPC architectures using common software stacks and tools
• Develop workflow solutions to enable efficient and portable execution of climate and weather modelling workloads across federated HPC infrastructures
• Collaborate with scientists, software engineers, and HPC experts across Europe to improve the portability and performance of flagship weather and climate applications
• Contribute to software documentation and project reporting

What we expect To be successful in the role, you need:

• Proven experience in working with HPC environments, including batch scheduling (Slurm) and large-scale scientific applications
• Good programming skills (e.g. Python)
• Strong skills in working with Linux environments, good knowledge in Bash-scripting and command line tools
• Experience in working with build systems, deployment frameworks, and dependency management for scientific software
• Experience with workflow management for scientific computing workloads
• Experience in enabling software portability and reproducibility across different computing platforms and environments
• Experience with container technologies (e.g. Docker, Singularity/Apptainer)
• Ability to work effectively in an international and multidisciplinary team
• Fluent communication skills in English, both written and spoken
• Approximately 3 years of relevant work experience

We also value

• Experience with weather, climate, or Earth system modelling applications
• Experience with software deployment frameworks such as EasyBuild, Spack, EESSI, or similar tools
• Experience with AI assisted coding practices
• A degree in a relevant field (e.g. computer science, physics, meteorology)

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 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 22.11.2026. 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 contact Development Manager Jenni Kontkanen, jenni.kontkanen(at)csc.fi, +358504146406, available on 12.11. at 9:00 – 10:00. 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. CSC – Jobs for Brilliant Minds