Linux Systemadministrator (m/w/d)
Core
Administration, maintenance, and optimization of an on-premises Linux-based server infrastructure with a focus on Open-Source technologies.
Role type
Senior Linux System Administrator
Builds
On-premises infrastructure including containerized environments (Docker/Kubernetes), central platforms (Nextcloud, Open-Xchange), and security/backup systems.
Domain
IT Infrastructure / Open Source / Linux
Required skills
Linux server administration (Ubuntu/Kubuntu), networking, firewalls, security, backup concepts, containerization (Docker, Kubernetes, Proxmox, VMware vSphere), automation (Python, Ansible), Open-Source platforms (Nextcloud, Open-Xchange, Nginx, pfSense, OpenVPN)
Preferred skills
Experience with AI system integration
Responsibilities
Administration of network, firewall, and VPN infrastructures; automation of deployments and recurring operational processes; monitoring, error analysis, and performance optimization of systems and services; creation and maintenance of technical documentation.
Seniority
Senior, hands-on IC