System Administrator mit Schwerpunkt Netzwerk (m/w/d)
Core
Responsible for network and communication infrastructure, ensuring high availability and continuous optimization of LAN, WLAN, SD-WAN, and firewall systems.
Role type
Senior Network System Administrator
Builds
Stable and performant network operations, security enhancements (NAC, Zero-Trust), and infrastructure projects.
Domain
IT Services, Network Engineering, Cybersecurity
Required skills
LAN/WLAN configuration, Firewall management, SD-WAN implementation, NAC deployment, Zero-Trust architecture, Azure networking, Windows Server hardening, Incident analysis
Preferred skills
Aruba networking, SonicWall firewalls, EDR/XDR solutions (CrowdStrike, Microsoft Defender), Identity Protection, MFA concepts
Technologies
Aruba, SonicWall, Azure, Windows Server, CrowdStrike, Microsoft Defender
Responsibilities
Plan, configure, and optimize LAN/WLAN and firewall infrastructure; Drive NAC and Zero-Trust initiatives; Support Azure networking and security concepts; Analyze and resolve security incidents; Create and maintain technical documentation.
Seniority
Senior, hands-on IC