Berlin, Berlin, Germany
The best possible outcome is never personal gain, but what the people around you carry on.
Content Delivery, Traffic routing, HTTP/2, Azure Networking, Terraform automation, HTTP/S termination, On-Call, Incident response. Direct work on GLB (GitHub Loadbalancer), HAProxy, CDN layers. Key role in DNS automation. Work in close collaboration with many teams to provide the best possible services to customers.
* Designed and built infrastructure to support signature scanners of malware for forensics and science purposes * Designed security concepts and solutions to maintain mission-critical infrastructures * Participated in a CERT rotation * Planned, rolled out and maintained highly complex firewall scenarios based on Linux systems for multiple DSL lines, internet connections and networks * Maintained infrastructure network based on HP Procurve and Linux equipment * Built and maintained custom built hardware infrastructure * Worked closely together with Debian Linux Security Officers to maintain secure systems throughout the company * Patch-management of Debian GNU Linux systems, built apt-based infrastructure to support the OS * Contributed to the rackmonkey open source asset management system written in Perl
* Designed and implemented Network & Security guidelines and concepts * Programmed and scripted using Perl/Bash/C/C++ * Participated in the asset management system and automation efforts of the server team * Provisioned, maintained and configured firewalls (Nokia Checkpoint and Cisco ASA/FWIP) * Automated the configuration of load balancers based on F5 BigIP and Cisco products * Wrote scripts to automate the configurations of reverse proxy environments using the Apache2 web server * Designed, maintained and provisioned routing and switching equipment as well as networks based on Cisco (mainly), HP, Foundry, F5, Nokia and Nortel to up to 20.000 ports