Senior IT-Administrator Linux (m/w/d)
Core
Senior Linux Administrator responsible for stable and secure operation of complex IT environments, including internal infrastructure and dedicated customer systems.
Role type
Senior IC Linux System Administrator
Builds
High-availability Linux infrastructure, virtualization clusters, and automated deployment pipelines
Domain
Data Center Operations / Linux Systems / Network Infrastructure
Required skills
Linux (Debian, Proxmox), Storage (ZFS, Ceph), Automation (Ansible, GitOps), High Availability (HAProxy, Keepalived), Monitoring (CheckMK, Prometheus, Grafana), Package Management, systemd
Preferred skills
Network technologies (BGP, EVPN/VXLAN, FRR, nftables), Linux Internals (Kernel modules, eBPF, Performance tuning)
Technologies
Proxmox, Debian, Ceph, HAProxy, Keepalived, Ansible, Terraform, NetBox, vYOS, OPNsense, CheckMK, Prometheus, Grafana, FRR, nftables
Responsibilities
Analyze and resolve complex technical issues and tickets, design and implement end-to-end technical solutions for customers, build and maintain automation playbooks and CI/CD pipelines, evaluate and implement new storage architectures, manage high-availability services and virtualization clusters.
Seniority
Senior, hands-on IC