Since 2010 I am an administrator for the deployable VoIP network of the Bundeswehr. Since February 2013 I am Operative Professional, Certified IT Project Manager (IHK). Since February 2013 I'm trainer of trainers (IHK). Since December 2015 I am a MCSA: Windows Server 2012. Since April 2016 I am a certified ITIL v3 Foundation. Since November 2016 I'm certified to the CCNA program from Cisco, CCNA RS. Since December 2016 I'm certified to the CCNA program from Cisco, CCNA Security.