Was ich in der IT schon alles gemacht habe:

Microsoft Windows: Client, Server Systeme von Dos, Windows 3.11 Server 2008-R2 bis2016

Virtualisierung:  VMware Infrastructure, ESX 3,4,5,6 VMware Server

Citrix: Metaframe XP  Presentation Server 4, CSG, Thinprint

Mailserver/Groupware: Domino, Exchange, Horde, Tine20, Sendmail, Postfix, Exim, MailScanner, Spamassassin, Ispconfig

Backup: Veeam, Acronis Arcserve, Symantec Backup, Bacula, Legato, Veeam, Mondoarchive, Shadowprotect

Client Software:  Microsoft Office, Outlook, Lotus Notes, Richtlinien, Wsus

Pda / Smartphone: Syncronisation Easysync, Hotsync, Blackberry, Android, Iphone

Netzwerk Dienste: Firewall, Dhcp, Dns, Wins, Proxy, Vlan, Vpn, Apache2, IIS

Linux: Rhel, CentOs, Debian, Ubuntu, Suse

Monitoring: Nagios, CheckMK

Programmierung: Batch, Delphi, Pascal, C++

Datenbanken: Microsoft SQLServer 2005-2008, DB2, MySql