Senior System Administrator - Linux & Networks | Senior System Administrator Linux & Netzwerke (m/w/d)

Job Summary

This role is for a Senior System Administrator with expertise in Linux and complex network infrastructures, focusing on stability, security, and future-proofing systems. The day-to-day involves operating complex network infrastructures in a high-security environment, configuring and monitoring active network components, analyzing and resolving network issues, and implementing IT security measures. You will also be responsible for system and process documentation and collaborating with internal departments, external service providers, and client representatives. Key requirements include at least 5 years of experience in network technology/system administration, strong knowledge of network environments (routing, switching, VLANs, VPNs), current Cisco and/or HPE Aruba certifications, proficiency with Windows Server and Linux (Debian, RedHat), experience with firewalls (Fortinet, CheckPoint), and familiarity with infrastructure services like Active Directory, DNS, and DHCP. Experience with virtualization (VMware, Proxmox) and storage technologies (SAN, NAS) is also needed. The position offers a collaborative team environment, opportunities for professional growth, and a commitment to diversity and inclusion.