Senior System Specialist (LUMI-AI Lead Admin)

Tiivistelmä työpaikkailmoituksesta: You will lead development and administration of the upcoming LUMI‑AI supercomputer, joining the team that manages the current LUMI with about 5,000 servers and over 90 PB of storage, and the position can be based in Espoo or Kajaani. Your responsibilities include coordinating with the supplier (Bull), ensuring high availability, confidentiality and integrity of systems, participating in system and service development and lifecycle activities, and supporting end users during incidents. The role requires advanced Linux system administration, a strong focus on information security, experience adapting kernel patches and working with large‑scale systems, plus technical leadership, mentoring ability and fluency in English. CSC offers flexible working hours, remote work options and comprehensive benefits, and applications are due by October 18, 2026, with interviews, a work personality assessment, drug screening and basic security clearance in the recruitment process. Tämä tiivistelmä on luotu tekoälyn avulla. Työpaikan kuvaus Do you want to work in a diverse and international company where we build future ICT solutions together? We are now looking for a Senior System Specialist to lead the development and administration of the upcoming LUMI-AI supercomputer . The team you will be working with are already responsible for the administration of the current EuroHPC pre-exascale LUMI system, which has about 5000 HPC servers and over 90PB of storage. Building new competences and selecting the right tools and technologies will be an important part of your work. A strong background in Linux security and experience of system patching (kernel and other components) is a must. Technical leadership experience is a big plus. We offer a unique opportunity to work on the cutting edge of technology with some of the largest computing systems in the world – providing you with meaningful challenges and an opportunity to advance your career. Join us in supporting research and science! This position can be located in either Espoo or Kajaani. Your key responsibilities will be: Coordinating with our supplier (Bull) about the LUMI-AI admin stack and some other architectural details Ensuring the high availability, confidentiality and integrity of our supercomputing systems Participating in system and service development, in collaboration with other groups at CSC Participating in the overall computing system life cycle, from planning to decommissioning Supporting end users during incidents and with some problems relevant to the team To be successful in this role, you need: Advanced Linux systems administration skills A strong focus on information security Experience with adapting kernel patches Experience with large-scale systems Technical leadership ability A willingness to mentor and guide others Fluency in English, both written and spoken We appreciate either experience or a willingness to learn about these: Maintenance and development of complex system software stacks High-speed, low-latency networking Parallel storage systems Kubernetes orchestration and running containerised workloads GPU computing An understanding of modern datacentre hardware Linux kernel development experience 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 October 18, 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. The selected candidate will be subject to drug screening and basic security clearance. The requirement for the employment relationship is that the security clearance does not reveal any noteworthy factors. 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 Balázs Szakmáry, balazs.szakmary(at) csc.fi . Who are we? We work together for the future of research and learning through advanced technology. Our competence is the platform on w