Betriebs- & Serversysteme
- Microsoft Windows Server (NT – 2012 R2)
- Microsoft Windows Small Business Server (2003 – 2011)
- Microsoft Exchange (2003 – 2016)
- Microsoft Terminalserver (2000 – 2012 R2)
- Windows Server Updates Services (WSUS)
- Windows Sharepoint Services (WSS)
- Microsoft Windows (NT – 10)
Virtualisierung
- Hyper-V
- VMware ESX(i)
- VMware Server
Router und Firewalls
- Linogate Defendo
- IPCop
- M0n0wall
- LANCOM Systems
- Securepoint Security Solutions
- Sonicwall
- ZyXel UTM
- Netgear
- AVM Fritz!Box
Kommunikationssysteme
- Microsoft Exchange
- IceWarp Mail-Server
- Kerio Connect
- Tobit.Software David.fx
Telefonanlagen
Netzwerk
- DHCP
- DNS
- Routing und RAS
- Router und Firewalls
- VPN-Lösungen
- IPSec
- L2TP
- PPTP
- OpenVPN/SSL
Datensicherung
- Acronis
- TrueImage
- DiscDirektor
- Drive Snapshot
- Symantec Ghost
- Backup Exec
- ArcServe
- NovaBackup
- WD SmartWare
- NTBackup
Sonstige Programme
Script-Sprachen & Co.
- Batch
- Powershell
- HTML
- PHP
- VB & VBA
- C & C++
Fachliche Schwerpunkte
- IT-Infrastruktur
- Virtualisierung
- Managed Services
- Sicherheitskonzepte
- Windows Server
- Schulungen