With everything moving to the cloud, the need for virtualization architects/engineers has increased. And when it comes to virtualization, VMware takes the cake. "VMware is the gold standard. And, then under that you have Citrix and Microsoft Hyper-V making a push," Billiar said.
"Where we see more [demand for] the Citrix [certification] is in the remote desktop or application delivery vs. the data center/server virtualization," Billiar said.