Major areas of expertise:
AWS - Amazon Cloud Services
Office 365 / Microsoft 365
Microsoft Azure
Google Cloud Platform
Google Suite / Google Workspace
VMware and Microsoft virtualization technologies. :
VMware vSphere 5.x, 6.x, 7.x: ESXi, vCenter Server, Clusters, HA, DRS, FT, SRM, Replication
Designing and implementing fault-tolerant virtualization clusters
Microsoft Windows Server 2012 R2/2016/2019, Hyper-V, Azure
SAN and NAS systems (iSCSI, FC)
Active Directory, Group policies, DNS, DHCP, Troubleshooting AD, Print servers, File servers
Centralized anitivirus systems : Kaspersky, Trend, AVG
WSUS , Patching
TCP/IP, Switching and Routing;
Cisco, Sonicwall routers, switches and firewalls
IBM System X, HP ProLiant, Dell Poweredge Servers ; LAN hardware/software administration, design, installation and configuration
Veeam Backup & Replication