IT specialist (m/f/d)

Leibniz-Institut für Sonnenphysik (KIS), Freiburg

The Leibniz-Institut für Sonnenphysik (KIS) is currently looking for an

IT specialist (m/f/d)

(B.Sc. or “Fachinformatik”)

to start work immediately or later, full-time or part-time, at the KIS Science Data Center (SDC).

The SDC stores and manages inhomogeneous solar observation data subject to temporary embargo guidelines, providing a web-based search engine and different programming interfaces to the data (Python, etc.).

Main tasks: Design and support of distributed file systems for data volumes in the PB range and of the Linux-based servers required for this purpose, including the monitoring, safeguarding, and scaling of relevant architectures and the design and support of the authentication and authorization systems required for this purpose (mainly X509 but also Kerberos, LDAP, VOMs, OAuth). This task will be performed using the scientific data management system RUCIO and applying the file systems dCache, XRootD. Further tasks: Design and support of parallel computer architectures in a high-performance computing environment (Linux Cluster, GPU Computing, Message-Passing, Open-MPI).

The SDC team takes care of all IT issues at KIS and is currently staffed by 14 employees, including scientists, managers, engineers, and IT specialists with different areas of activity and different time allocations within the project. After the induction phase, the successful candidate is expected to also contribute, to a limited extent, to areas not directly connected with the main tasks described above, such as Linux in general, and any services and servers necessary in the context of network operation.


  • Set up and support Linux clients and servers, virtualize servers (VMware, Docker) within the overall KIS/SDC concept
  • Support and contribute to the conceptual design of the scientific data management system based on RUCIOand distributed file systems such as dCache, XRootD, etc., including:
    • Monitor, safeguard, and scale relevant architectures
    • Design and support the required authentication and authorization systems (mainly X509, but also Kerberos, LDAP, VOMs, OAuth)
  • Set up and support parallel computer architectures in high-performance computing environments (Linux Cluster, GPU Computing, Message Passing, Open-MPI)
  • Work with the programming language Python and perform script programming tasks under Linux
  • Contribute to the design and security of IT and networks
  • Assist junior staff in their training as IT specialists in system integration


  • University degree or completed vocational training in computer science (B.Sc. or „Fachinformatik“), professional experience, or equivalent qualification
  • Knowledge in the support of parallel computer architectures, distributed file systems in the PB range, and related data management (preferably dCache and Rucio)
  • Experience as a team player and communicator, willingness to assume responsibility, and ability to work under pressure
  • Good oral and written command of English (the team communicates in English)
  • Willingness to take on assignments at the observatory in Tenerife, Spain

Knowledge and experience in any of the following areas will be an extra advantage:

  • Relevant work experience
  • Programming experience in the area of web applications, databases, and object file systems
  • Knowledge of Eclipse, Apache Tomcat, HTML, JavaScript, CSS, Python, Java, C, C++, Fortran, IDL, Shell Scripting
  • Experience in server virtualization (VMware, Docker)
  • Experience in encapsulating processes in container environments (Docker, Kubernetes) and in orchestrating pipelines (Prefect, Airflow, etc.)
  • Good general technical understanding and interest in natural sciences
  • Instructor’s licence (“Ausbildereignungsprüfung - AEVO”)
  • Good oral and written command of German, knowledge of Spanish

Your workplace will be in an attractive, demanding, and varied field of activity, within a prestigious research institute with operations worldwide. The institute offers flexible working hours suited to family needs. It contributes to childcare expenses and also supports a wide range of training programs. 

Ideally, successful candidates should be willing to work on-site at the Leibniz-Institut für Sonnenphysik (KIS) headquarters in Freiburg, Germany. However, we would like to expressly encourage qualified applications also from candidates who are not able to move to the Freiburg area and who would mainly work remotely.

Recruitment and remuneration will be subject to TV-L.

At first, the position will be limited to 2 years.

The HR policy of Leibniz-Instituts für Sonnenphysik (KIS) is modelled on the principles of equal opportunities and diversity.

We would like to especially encourage women to apply for this position.

KIS strives to promote the reconciliation of work and family life. It is in this endeavor that, since 2014, the institute has been certified as family-friendly (berufundfamilie audit) and has been a member of the Freiburg network of family-friendly companies.

Please send your complete application in writing to the following address: 

Leibniz-Institut für Sonnenphysik (KIS)

Stichwort: IT-Systemtechniker/in (m/w/d) im Bereich Datenmanagement und High-Performance Computing unter Linux

Schöneckstr. 6

79104 Freiburg

or be email to hr(at)leibniz-kis.de.

General and legal information:

Priority will be given to candidates with severe disabilities who are equally qualified and suitable for the position.

As a general rule, full-time positions may be divided if this does not conflict with the interests of the institute or legal issues.

Applications will be screened continuously until a suitable candidate has been found.

Electronic applications will be considered only if the complete documentation is provided as one WORD or PDF file.