IT-Administrator Linux (m/w/d)
Core
Linux system administration, infrastructure automation, and network support for colocation, cloud services, and managed IT infrastructures.
Role type
Linux System Administrator (Infrastructure)
Builds
Stable Linux environments, automated infrastructure playbooks, and high-availability services.
Domain
IT Infrastructure / Cloud Services / Managed Services
Required skills
Linux administration, Ansible, GitOps, CI/CD, network troubleshooting, firewall management, storage systems, monitoring tools, high-availability services
Preferred skills
Debian, Proxmox, ZFS, Ceph, FRR, nftables, Policy-Routing, VyOS, HAProxy, PostgreSQL, MySQL replication, Linux internals, kernel modules, eBPF
Technologies
Linux, Debian, Proxmox, Ansible, GitOps, CI/CD, OPNsense, FRR, nftables, Policy-Routing, VyOS, ZFS, Ceph, HAProxy, PostgreSQL, MySQL, CheckMK, Prometheus, Grafana, tcpdump, iostat, strace, systemd
Responsibilities
Analyze and resolve technical issues beyond first-level support, implement solutions for infrastructure and network topics, automate recurring tasks using playbooks and pipelines, support customers with technical requirements and solution implementation, manage firewalls, VPNs, routing, and updates, evaluate new solutions and improve existing workflows.
Seniority
Mid-level, hands-on IC