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# Linux Administrator

- **Company:** streit
- **Location:** Bensheim, Germany
- **Contract:** Permanent contract
- **Skills:** Proxmox, Apache HTTP Server, Bash Shell, Ubuntu (Operating System), Configuration Management, Data Centers, Debian Linux, Linux, Distributed Data Store, Domain Name System (DNS), Email Filtering, Message Transfer Agent, Fault Tolerance, Web Servers, Icinga, Identity and Access Management, Python (Programming Language), Linux Servers, Nginx, OpenLDAP, Red Hat Enterprise Linux, Remote File Sharing, Ansible, Prometheus, Reverse Proxy, Samba (Software), Zabbix, Ceph (Software), SSL Certificate Management, System Availability, Grafana, Firewalls (Computer Science)
- **Published:** August 8, 2026
- **Apply:** https://www.adzuna.de/details/5833184234

## About the Role

* Extensive experience in administering Linux servers (e.g., Debian, Ubuntu, RHEL/Rocky/AlmaLinux)
 * Practical expertise in Proxmox VE and, ideally, Ceph or comparable distributed storage solutions
 * Experience with several of our core services (Zimbra, Nextcloud, web servers, monitoring, directory services)
 * Proficiency with networks, firewalls, DNS, certificates, and backup strategies
 * Experience with automation and configuration management (Ansible or similar)
 * An analytical, self-directed work style and the motivation to further develop a fully self-managed infrastructure
 * Good command of German; English for technical documentation

## Description

* Operating and further developing our virtualized infrastructure on Proxmox VE-from resource planning to high availability
 * Designing, operating, and scaling our distributed storage system with Ceph for high-performance and fault-tolerant storage
 * Responsibility for the reliable operation of our data center (physical systems, network, backup)
 * Administration of our Zimbra mail server, including mailboxes, filters, anti-spam, and backup
 * Maintenance and further development of our Nextcloud platform for file sharing and collaboration
 * Configuration and security of our web servers (Apache, Nginx), including reverse proxy and TLS certificate management
 * Setup of a comprehensive monitoring and alerting system (e.g., Prometheus/Grafana, Icinga, Zabbix) for proactive operations
 * Administration of our directory services for centralized identity and access management (OpenLDAP, FreeIPA, or Samba AD)
 * Management and hardening of our Linux client systems-from automated rollout to support
 * Automation of recurring processes using Ansible, Bash, and Python-"Infrastructure as Code" is more than just a buzzword to you


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