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The Faculty of Science and the Leiden Institute of Advanced Computer Science (LIACS) are looking for a:

Junior / Medior System Administrator

In this position, you will be developing, improving and maintaining the LIACS Research and Education Laboratory (REL) infrastructure. This is an internal computer network at LIACS explicitly purposed for computer science research. It hosts research equipment such as small cluster computers, high-end GPU nodes and specially configured workstations on which experiments are conducted. You will be working in a team of junior and senior system administrators. Naturally, you will also be supporting researchers and students that use the research systems, for example with data stewardship.

Key responsibilities

Co-manage the LIACS research infrastructure, comprising tasks such as:

• managing and maintaining:

1. complex network infrastructure (e.g., configuring firewalls, VLANs, LACP, etc.)
2. advanced compute infrastructure (e.g., supercomputers, GPU machines, Slurm)
3. Linux systems, including automated deployment of software installations (e.g., Ansible, EasyBuild)
4. Web infrastructure (e.g., Apache, nginx, MySQL and applications deployed in containers)
5. large-scale storage systems (NFS, Ceph)
6. student computer workstations

• help with selecting and purchasing complex hardware infrastructure;
• assisting with installing server systems in the data center;
• data stewardship for the computer science department;
• assisting researchers and students that use our infrastructure with various questions;

Selection Criteria

• Recently completed (or soon to be completed) bachelor degree or HBO bachelor in Computer Science / ICT or a related field;
• you are passionate about working with researchers, other system administrators and students;
• you can communicate fluently in written and spoken Dutch and English;
• at least three years of experience in Linux and basic Linux system administration, preferably with RHEL, Rocky or Ubuntu;
• good understanding of computer networking: TCP/IP, VLANs and routing;
• affinity configuring OSI layer 1-3 network equipment through command line interfaces is a plus.
• experience with virtualization, containers, and large-scale deployment (e.g., Ansible) is a plus;
• experience with data management and storage systems is a plus;
• experience with data management and stewardship;

Research at our faculty

The Faculty of Science is a world-class faculty where staff and students work together in a dynamic international environment. It is a faculty where personal and academic development are top priorities. Our people are committed to expand fundamental knowledge by curiosity and to look beyond the borders of their own discipline; their aim is to benefit science, and to make a contribution to addressing the major societal challenges of the future. The research carried out at the Faculty of Science is very diverse, ranging from mathematics, information science, astronomy, physics, chemistry and bio-pharmaceutical sciences to biology and environmental sciences. The research activities are organised in eight institutes. These institutes offer eight bachelor’s and twelve master’s programmes. The faculty has grown strongly in recent years and now has more than 2.300 staff and almost 5,000 students. We are located at the heart of Leiden’s Bio Science Park, one of Europe’s biggest science parks, where university and business life come together. For more information, see www.universiteitleiden.nl/en/science and https://www.universiteitleiden.nl/en/working-at.

The Leiden Institute of Advanced Computer Science (LIACS) is the Artificial Intelligence and Computer Science Institute in the Faculty of Science of Leiden University. We offer courses at the Bachelor and Master of Science level in Artificial Intelligence, Computer Science, ICT in Business, Media Technology, and Bioinformatics. According to an independent research visitation, we are one of the foremost computer science departments of the Netherlands. We strive for excellence in a caring institute, where excellence, fun, and diversity go hand in hand. We offer a clear and inviting career path to young and talented scientists with the ambition to grow. For more information about LIACS, see https://www.universiteitleiden.nl/en/science/computer-science.

Terms and conditions

We offer a full-time position for initially one year for the position of system administrator. After a positive evaluation of your performance and capabilities as system administrator, your contract will be renewed for an indefinite period of time.
You will be graded in scale 10 which means € 3.378,= to € 5.331,= gross per month (pay scale 10 in accordance with the Collective Labour Agreement for Dutch Universities). Leiden University offers an attractive benefits package with additional holiday (8%) and end-of-year bonuses (8.3%), training and career development and sabbatical leave. Our individual choices model gives you some freedom to assemble your own set of terms and conditions. Candidates from outside the Netherlands may be eligible for a substantial tax break.

D&I statement
Diversity and inclusion are core values of Leiden University. Leiden University is committed to becoming an inclusive community which enables all students and staff to feel valued and respected and to develop their full potential. Diversity in experiences and perspectives enriches our teaching and strengthens our research. High quality teaching and research is inclusive.

Information
Enquiries can be made to Juriaan Bakx, email: J.Bakx@liacs.leidenuniv.nl. If you have any questions about the procedure, you can send an email to: jobs@liacs.leidenuniv.nl.

Applications

Please submit online your application via the blue button in the vacancy. Please ensure that you upload the following additional documents quoting the vacancy number:

• A cover letter including motivation to apply for and your applicability for your position;
• A curriculum vitae, including any certifications, if any (e.g., CCNA, RHCP, etc.)
• A short description of a system that you have installed, designed or administered, that you are most proud of and shows your prior experience in system administration (max. 1 page A4);
• A Certificate of Good Conduct (VOG) is required to fulfill the position (to be submitted later in the process).

Only applications received before April 15, 2025 can be considered.

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