Virtualization: vSphere ESXI 5.0-6.5, VSAN, VMWare vCloud, VMWare vRealize Automation, VMWare vRealize Operation Manager, vSphere Data Protection.
Storage administration: IBM DS3000/4000, Netapp FAS 2200 Series, FAS 8800 Series, Hitachi VSP, Fujitsu DX Series, Dell, Synology.
Computing administration: Blades and Servers from Cisco, HP, IBM, Fujitsu, Hitachi, Huawei, Dell.
Network: Cisco, MikroTik, D-Link, TP-Link, Planet, WatchGuard, FortiNet (FW, NAT, Routing (OSPF, BGP))
Linux: Centos, Ubuntu (DNS, DHCP, CWP, ISPConfig)
Windows: Server 2008 - 2019 (Active Directory, DNS, DHCP, DFS, Hyper-V, Deduplication)
E-Mail: Zimbra, Barracuda Email Security Gateway, FortiMail.