Fortinet (Forti /Gate/Web/Analyzer)
Managing & Deploying of Vmware Clusters
Managing & Deploying of HA Systems (Firewalls|Switches|Storage)
Advanced Networking (Routing|Switching|Firewalling|VPN|WIFI)
Administration of Linux/Windows Servers
OpenSource - Homeautomation Skills
Ansible System Managment (in education)