HPC Users & Application Support Engineer

GRNET S.A. provides Internet connectivity, high-quality e-Infrastructures and advanced services to the Greek Educational, Academic and Research community, aiming at minimizing the digital divide and at ensuring equal participation of its members in the global Society of Knowledge. GRNET provides advanced services to the following sectors: Education, Research, Health, Culture. In early 2026, GRNET is expected to host the DAEDALUS supercomputer, which will be ranked among the top 30 fastest supercomputers worldwide.

We are currently looking for a passionate HPC Users & Application support Engineer to expand existing team capability on implementing and providing advanced operational support for users and applications.

As a HPC Users & Application support Engineer you’ll have to build complex software using the appropriate libraries optimized for system hardware, support end users and create / update system documentation. You will be part of a talented team that demonstrates superb technical competency, delivering mission critical services and ensuring the highest levels of availability, performance and security. The team members are professionals, with a mindset to innovate, automate, streamline, and provide value to GRNET and to the users of the offered services.

Your tasks

● Build applications optimized for system hardware.

● Create the appropriate workflow for new applications with no existing recipes.

● Troubleshoot typical user problems, including but not limited to scripts correctness, debug, profile.

● Update Web sites with system documentation etc.

Your Profile

● Experience in supporting and optimizing parallel applications.

● Knowledge and experience in at least one scientific area of interest: engineering, chemistry, climate, AI, etc.

● Experience in using at least few popular scientific applications & libraries in parallel environments.

● Experience in using software development suites like oneAPI, GNU compilers, CUDA Development Kit and possibly other suites (aocc, nvhpc).

● Experience in the use of ticketing / issue tracking and project management systems (e.g. Atlassian JIRA, Redmine, etc.)

● Good knowledge of English language.

Will be considered a plus:

● MSc or PhD in Computer Engineering or Computational Formal Sciences (e.g. engineering, chemistry, climate, AI, etc ).

● 2-year experience in a relevant field (HPC environment).

Personal Characteristics:

● Creativity, innovation spirit and team player.

● Dynamic personality, ability to accept challenges and undertake responsibilities.

● Enthusiasm, persistence and willingness to deliver results on time.

Benefits

GRNET provides a creative, dynamic and challenging working environment, that encourages team spirit, cooperation and continuous learning of state-of-the-art technology.

● Opportunities for International collaborations

● Competitive remuneration package

● Opportunities for professional development

● Modern, friendly and innovative working environment

GRNET is an equal opportunity employer that is committed to diversity and inclusion in the workplace. People with a diverse range of backgrounds are encouraged to apply. We do not discriminate against any person based upon their race, age, color, gender identity and expression, disability, national origin, medical conditions, religion, parental status, or any other characteristics protected by law.

All applications will be treated with strict confidentiality.