Betriebssysteme

- AIX / UNIX / BSD
- Android
- iOS
- Linux
- Novell Netware alle Versionen (2.x - 6.x)
- Novell Open Enterprise Server OES
- OS/390
- OS/400
- VMware ESX
- Windows Clients (3.x/95/98/ME/NT/2000/XP/Vista/7/8)
- Windows Server (NT/2000/2003/2008/2008R2/8)

Sprachen

- ABAP
- Basic
- C++
- Java
- JavaScript
- Pascal
- Perl
- PHP
- TeX, LaTeX
- Diverse Shell-Skriptsprachen

Datenbanken & Verzeichnisdienste

- Active Directory
- mySQL
- MS SQL
- LDAP
- Novell NDS / DS
- Novell eDirectory

Netzwerke

- Bridging
- DNS
- DHCP
- DSL
- Firewalls
- FTP
- Gateways
- HBCI
- IPX
- ISDN
- ISO/OSI
- Routing
- Samba
- SMTP
- SNMP
- SSL
- TCP/IP / IPv6
- VPN
- Voice over IP

Tools

- Adobe Acrobat
- Backup-Software (CA Arcserve, Veritas Backup Exec, HP OmniBack)
- CRM
- ERP
- HP Open View Operations (OVO)
- HP Systems Insight Manager (SIM)
- ISO9000
- IT Grundschutzhandbuch des BSI
- ITIL
- ISO9000
- MS Office (95/97/2000/XP/2007/2010)
- MS Outlook
- Norton Ghost / Diverse Imaging-Tools
- Novell Groupwise 7 / 8
- Novell ZEN Works 1.x - 7.x / ZCM 10 & 11
- ODBC
- SAP R/3 Basis
- IT Service Management-Software (ARS Remedy, HP Open View, OVSC, OVSD, HPSM)
- Tomcat/LAMP
- VMWare vCenter Server

Hardware
- Apple
- Dell Server
- Drucker (nahezu alle Hersteller, vor allem aber HP)
- Fujitsu Siemens Server
- HP-Server / HP-Blades
- RAID
- Scanner
- Streamer

Zertifizierungen
- Netzwerk-Manager (DAA/bonn:data)
- Microsoft Certified Professional (MCP + CoA)
- Novell Certified Netware Engineer (CNE + CNA)
- ITIL v3