IT Server Expert (m/f/d) Computer Science, Software Engineering, Data Science (26-64-9C)

Metrology expertise “Made in Germany” – that’s what the approximately 2,100 employees of the Physikalisch-Technische Bundesanstalt (PTB) stand for. As the national metrology institute and a leading research institution, we develop world-leading standards for measurement in an international working environment. In this way, we ensure that people and organizations can trust measurements.

In Berlin-Charlottenburg, we are looking for you for department 9.55 “High-performance computing” as:

IT Server Expert (m/f/d)
Computer Science, Software Engineering, Data Science
Pay grade 10 TVöD Bund (Federal Public Service Collective Agreement) Permanent Full-time

Your tasks:

The PTB's IT department is organized into five sections and divided between the Braunschweig and Berlin locations, which work closely together. Section 9.55, "High-Performance Computing," at the PTB's Berlin location, operates compute servers and a high-performance computing cluster running Linux for demanding scientific calculations as a service for the PTB's specialist departments, as well as other virtualized server infrastructure. You will support our team with the following tasks:

• Administrative tasks in the area of ​​Linux, OSS and Windows servers
• Responsibility for IT user administration and access rights management at the Berlin location, as well as further automation of processes in server operations.
• Participation in the administration of the PTB's High Performance Compute (HPC) cluster
• Support and guidance for scientific users; introducing new PTB users to the use of HPC capacities for PTB research
• Provision and installation of specialist physics applications in the field of computational physics (e.g. FEM software, OpenFOAM, Geant4)
• Contributing to the strategic development of the server infrastructure, with a focus on container technology, scalability, robustness, energy efficiency, and AI applications.
• Maintenance and documentation of the software installation and cluster configuration

Your profile:

• Completed studies (Bachelor / FH diploma) in the field of computer science, software engineering, data science, computational engineering, scientific computing, simulation science or comparable proven qualification.
• Experience in Linux system administration; sound knowledge of Linux automation (shell scripting, Python, Ansible, etc.)
• Practical knowledge in the administration of servers, services and user accounts, also under Windows
• Willingness to familiarize oneself with new tools in the area of ​​user management and access rights.
• Experience in providing scientific software to users in the field of numerical methods and computational physics.
• Knowledge of distributed file systems, parallel programming models, processor architectures in the field of high-performance computing, modern storage technologies, and research data (management) is advantageous.
• Ideally, experience in server virtualization (e.g., Proxmox)
• Sensitivity to data protection and IT security issues; advanced knowledge of the BSI requirements
• Strong service orientation and enjoyment of IT support for researchers
• Independent and structured work style as well as didactic talent
• Strong teamwork and communication skills
• German (C1 level) and English (B2 level) skills
• Willingness to travel on business

This position may require a security clearance in accordance with the Security Clearance Act (SÜG). By submitting an application, you indicate your willingness to participate in such a security clearance process.

We offer:

Work at the interface of IT infrastructure and cutting-edge research and actively shape the operation and further development of modern HPC clusters and scalable server landscapes for demanding applications in computational physics.

An overview of our benefits can be found on our careers page.
This is important to us:

The PTB promotes gender equality and is particularly interested in applications from women. At the same time, we strive to reflect societal diversity. Therefore, all applications are welcome, regardless of gender, cultural or social background, religion, beliefs, or sexual orientation. Applicants with disabilities or those considered equivalent under the law will be given preference if equally qualified.
Your application:

For technical questions regarding this position, please contact
Dr. Daniel Lübbert in department 9.55, Tel.: 030 3481-8450, E-Mail: daniel.luebbert@ptb.de.

We look forward to receiving your application by June 2, 2026, quoting reference number 26-64-9C. Please use the "APPLY ONLINE" button at the bottom of this page – this will take you directly to our application portal where you can upload your documents (resume, certificates, cover letter). We cannot consider applications submitted via email. By submitting your application, you agree to the data protection regulations.