14 years: SQL Server: 2016, 2012 R2, 2008 R2, 2005, 2000, 7, Performance tuning T-SQL, SQL Server Replication, Mirroring, High Availability
5 years: VMWare ESX / NSX / VSAN
IBM Storewize Storage
Cisco Switch Fabric and Network
SharePoint 2013, 2010, 2007
Team Foundation Server 2014, 2012, Continuous integration, build automation
Microsoft Systems Center Operations Manager and Configuration Manager
Monitoring tools: Spotlight SQL, SQL Sentry, SCCM, Splunk
Windows Server 2016, 2012R2, 2008R2, 2003, 2000 with Windows Clustering
Windows Desktop OS: 10, 7, XP, 2000, 98, 95(testing with Win 8)
Advanced Security Concepts and application