Lead Systems Administrator and Infrastructure Architect (Open Source & Virtualization) | Lead Systemadministrator:in/-architekt:in Open-Source-Infrastruktur & Virtualisierung (m/w/d)

IBI - Institut für Bildung in der Informationsgesellschaft gGmbH

Berlin, Berlin, Deutschland
Published Mar 27, 2026
Full-time
No information

Job Summary

As a Lead Systems Administrator and Infrastructure Architect at the IBI (Institute for Education in the Information Society), you will play a pivotal role in shaping the digital landscape for educational and rehabilitative projects. Working at this TU Berlin cooperation institute, your day-to-day will involve the independent administration, maintenance, and integration of high-availability server infrastructures and networks. You will take the lead on Proxmox virtualization environments, ensuring resilience, data security, and GDPR compliance. Beyond technical tasks, you will support project management by coordinating infrastructure projects and guiding your team through complex implementations. This role is ideal for a professional passionate about open-source technologies and social impact. You will benefit from a highly flexible work environment with significant home-office options, flat hierarchies, and a culture that values creative problem-solving and knowledge sharing. The position offers the unique opportunity to design custom solutions using cutting-edge container and monitoring tools in a mission-driven nonprofit setting.

Required Skills

Education

Degree or vocational training in Information Technology (IT) or a comparable field with relevant professional experience.

Experience

  • Several years of professional experience with Proxmox VE and open-source virtualization solutions
  • Extensive experience in Linux/Unix server administration, specifically with Debian or Ubuntu
  • Proven expertise in network technology, including firewalls and VPN solutions
  • Experience with containerization and orchestration technologies
  • Professional experience in monitoring and backup strategy implementation
  • Experience in leading or guiding teams during infrastructure projects

Languages

Not specified

Additional

  • The role is based in Berlin with significant home-office options. Working hours are between 32-40 hours per week.