RENAFAN GmbH

Network Engineer

• Administration, operation, and further development of the Sophos XGS firewall infrastructure, including high-availability (HA) operation
• Design, implementation, and maintenance of firewall rule sets, NAT, web filtering, and application control policies
• Operation and expansion of site-to-site and remote-access VPNs (IPsec, SSL VPN/ZTNA)
• Configuration and optimization of IPS, TLS inspection, sandboxing (zero-day protection), and Synchronized Security
• Administration, operation, and further development of the entire network infrastructure (LAN, WLAN, WAN) across multiple locations
• Configuration, administration, and monitoring of HP Aruba switches, access points, and Aruba Central
• Management of VLANs, routing, switching, DHCP, and DNS, as well as operation of existing Huawei and Ubiquiti components until their planned replacement
• Support for consolidating the network landscape into a standardized Aruba environment, including planning and implementing migrations, site connections, and network expansions
• Optimization of network performance, segmentation, and WLAN coverage
• Monitoring, log analysis, and reporting (Sophos Central, Syslog/SIEM integration), as well as firmware/software updates and patch management for all network and firewall systems
• Analysis and resolution of network and security incidents within 2nd- and 3rd-level support, as well as participation in handling security incidents
• Creation and maintenance of network and firewall documentation (topologies, IP addressing concepts, configuration baselines)

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Firewall and Network Administrator – Berlin-Tegel