SERVER-ADMINISTRATOR (m/w/d) – Linux, Windows & Virtualisierung
Core
Operate and develop Proxmox clusters, manage Debian Linux and Windows Server infrastructure, and maintain video conferencing and internal AI platforms.
Role type
Senior System Administrator (Linux/Windows/Virtualization)
Builds
High-availability virtualization clusters, secure server environments, and internal AI infrastructure
Domain
IT Infrastructure / System Administration
Deliverable
infrastructure
Required skills
Linux administration (Debian), Windows Server, Exchange Server, Active Directory, Virtualization (Proxmox, Ceph), Backup solutions (Veeam), Monitoring (CheckMK), Shell scripting, Docker
Preferred skills
Jitsi/WebRTC, Hetzner Cloud, LLM tools, Kubernetes
Responsibilities
Manage and develop Proxmox clusters with Ceph storage and HAProxy; Administer Debian systems, LDAP, and web servers; Manage Exchange Server, Active Directory, and certificates; Operate Jitsi video conferencing servers; Responsible for backup, monitoring, and recovery testing; Plan server lifecycle and document systems
Seniority
Senior, hands-on IC