Technical skills

  • PHP, mainly Symfony 2 and Contao 2 & 3
    • CMS websites
    • custom web applications
    • API development
    • deployment with satis & composer
    • version control with git
    • software and database architecture
  • Linux System Administration (Ubuntu)
    • server setups with apache2, postfix, dovecot, MySQL, postgres, DNS, DHCP, iSCSI, and so on
    • VoIP, ISDN and analog lines with asterisk PBX
  • network / IP
    • planning, deploying and maintaining networks
    • dynamic routing
    • (linux) firewall conception and maintenance (L2 and L3)
    • security concepts
  • MikroTik in general, and RouterOS in particular
    • basic setup (DNS, DHCP, static routing, ...)
    • multi WAN
    • WiFi (including WiFi long shots)
    • RIP (It's not "rest in peace" ;-))
    • OSPF
    • MPLS/VPLS, Traffic Engineering
    • VPN
  • basic ESXi setups and performance tuning

Language skills

  • German (mother tongue)
  • French - learned it for eight years in secondary school, by now it is a little rusty ;-)
  • English - B2 level - I'm lacking pronunciation practice, so sometimes it is a little unclear
  • Spanish - just joking, the only word I know is "el funcionario de correos" which means "post office clerk"

Work experience

  • 10 years in IT in general (2007 to now)
  • 8 years in web application development and linux system administration (2009 to now)
  • 7 years in network engineering (2010 to now)
  • 4 years as managing director of the wiseape GmbH
  • 1 year civilian service in a workshop for disabled persons

Interests (in no specific order)

  • eletrical and electronical engineering
  • psychology / social engineering
  • art
  • military engineering
  • communications engineering
  • automotive and aerospace engineering
  • railroad engineering (I'm a big fan of the E10/BR110)
  • railroad safety systems
  • economics
  • athletic sports
  • science fiction
  • chemistry - loved it in school
  • electronic music (Tangerine Dream, Kraftwerk, and many more)
  • books - yes, these things made of paper

In fact I'm _very_ curious about almost everything which has anything to do with technical stuff.