• Manage and maintain various VMware implementations across entire US and Canada, including large vSphere (ESXi 6.x) clusters and individual ESXi hosts servers deployed in numerous sites. Manage and deploy guest VMs as needed across entire organization. Manage SAN systems deployed as part of VMware infrastructure, including monitoring, provisioning, and deploying as needed.• Administer, monitor, and maintain over 150 Windows 2008 R2, and 2012 physical and virtual servers as well as numerous Linux servers distributed across the US. Monitor corporate network traffic and proactively diagnose and resolve issues before they cause serious impact to operations.• High-level support for over 500 users, ranging from basic questions and troubleshooting to specialized open source Linux solutions used by internal and external customers.• Responsible for managing and maintaining large Active Directory environment using Group Policy Objects (GPOs) and Organizational Units (OUs). Strong experience in planning, installing, and maintaining Microsoft Windows Server Update Services (WSUS).• Strong experience in open source management tools including Zenoss and MRTG. Created and maintained an internal IT website containing near real-time graphs of network traffic as well as resources to help junior support personnel do their jobs more efficiently. • Set up and maintain LAMP (Linux, Apache, MySQL, PHP) servers for internal and external website hosting.• Install, configure, and maintain WAN optimization hardware to maximize WAN bandwidth and user experience across organization.• Help define and implement IT policies.• Defined, implemented, and maintain nationwide enterprise-grade wireless infrastructure utilizing Meraki access points and router/firewalls.• Design, procure, and deployed corporate network infrastructures using cutting edge Brocade and Cisco hardware. Define and deploy VLANs, trunks, and LAGs as necessary to best serve enterprise needs.

• Responsible for maintaining corporate firewall and Internet access.• Set up test servers for software development team.• Handled technical supports calls for various consumer products.