Knowledge

Platforms and Systems:

Windows Server: 2016, 2012r2, 2008r2, 2003, 2000
Windows Clients: 10, 7 (Enterprise), XP Pro, NT4, 2000, 98, 95, ME, 3.1/ DOS
Watchguard Firebox II [Firewall appliance].
Linux: KaliLinux, ArchLinux, Ubuntu.
Basic knowledge: MacOS, Solaris, Cygwin.

Server and Groupware:

MS Terminal Server, MS Internet Information Server, Citrix XenApp, Citrix MetaFrame, RIS/ WDS, WSUS, HyperV, VmWare, SharePoint, Jira.
Basic knowledge: Apache-Webserver, Lotus Notes.

Programming:

Powershell, HTML/ CSS. WMI, ADSI.
Basic knowledge: C++, Vbscript, SQL.

Database:

MS SQL-Server, MS Access.
Basic knowledge: ODBC.

Frameworks:

ITIL/ ITSM, CIS, GDPR, PCI-DSS, SIEM, CN Internet Security Law, PPS, Scrum.

Software:

Rapid 7 Nexpose, Windows Defender ATP, Cylance Protect, Splunk Enterprise, BMC Remedy, BMC Truesight / Patrol (Central/ Agent CLI), HP ServiceDesk, HyperV, Vmware, MS Visual Studio, Veritas BackupExec/ BEMcmd, McAfee Total Virus Defense Suite, Symantec System Center Console/ AntiVirus Enterprise Edition, Windbg, Sysinternals Suite, Nmap (Zenmap), Wireshark, Orca, Dependency Walker, Windows Resource Kit and Support Tools, MS Remote Server Administration Tools (RSAT), HP Proliant Support Pack, Dell OpenManage, The Sleuth KIT/ Autopsy, Adobe Photoshop, Gimp, MS Office u.a...