curriculum vitae

05/2018 - current : 1und1 Internet SE

as Advanced Linux System Administrator in Karlsruhe
IT Operations Hosting Products / IT Operations Shared Hosting Linux
focus on configuration management with Puppet 4/5, redis and RabbitMQ

01/2017 - 04/2018: 1und1 Internet SE

as Advanced Linux System Administrator in Karlsruhe
IT Operations Hosting Products / Application Hosting
focused on elastic stack (former ELK) and configuration management with Puppet 4

06/2015 - 12/2016: 1und1 Internet SE

as Advanced Linux System Administrator in Karlsruhe
Global IT Operations / Application Hosting
focused on host based firewall concept and migration from Puppet 2.7 to Puppet 4

03/2015 - 06/2015: 1und1 Internet AG

as Advanced Linux System Administrator in Karlsruhe
IT Operations Hosting / eBusiness & MyWebsite
focused on eBusiness, built the new infrastructure for social business hub (php frontend systems / tomcat java middleware systems) and operating the shop platform with puppet
concept for update and lifecycle management

10/2012 - 03/2015: 1und1 Internet AG

as Junior Linux System Administrator in Karlsruhe
IT Operations / Hosting Middleware
built the new geo redundant domain SSL infrastructure (php frontend systems / tomcat java middleware systems) and operating the shop platform
all managed with puppet

07/2012 - 09/2012: Verbandsgemeindeverwaltung Wallhalben

as System Administrator at the public administration Wallhalben
operating and managing the local computer pool (~40 workstations in house), <10 servers AD as well as maintaining the office pc's and the computer labs of the associated kindergartens and schools

08/2009 - 07/2012: Verbandsgemeindeverwaltung Wallhalben / Schwarz IT-Dienstleistungen

vocational training as information technology specialist at the public administration Wallhalben in cooperation with Schwarz IT-Dienstleistungen in Weselberg
operating and managing the local computer pool (~40 workstations in house), <10 servers AD as well as maintaining the office pc's and the computer labs of the associated kindergartens and schools, as well as supporting small to mid-sized companies as customers of the consulting and IT services company Schwarz IT in Weselberg.