About this role
SENIOR IT-ADMINISTRATOR / SENIOR SYSTEM ENGINEER (W/M/D) | KÖLN at Intelligent Research in Sponsoring GmbH. Location: Cologne or Karlsruhe. Role: maintaining infrastructure, operating virtualization, configuring firewalls Requirements: Multiple years as IT administrator/system engineer with strong Linux, Proxmox, networking (routing, VLANs, VPN, firewall) and hybrid on-prem/cloud experience; monitoring and scripting skills; autonomous, solution-oriented work style. Category: Information Technology Seniority: Senior Level Tools: Linux, Proxmox, pfSense, Prometheus, Grafana, Zabbix, Checkmk, Icinga, Bash, Python, Ansible, LXC, Docker, AWS, Azure, Hetzner Commitment: Full Time Workplace: Hybrid Languages: German