An enthusiastic system administrator with the necessary drive and determination needed to resolve system related issues in healthcare IT domain. Possessing effective organizational skills and Excellent working knowledge of system administration technologies of healthcare division with more than 12 years of experience and having a commitment to keep up to date with the latest developments. Experienced in installing windows and Linux servers 2012,2016 servers, DNS server, DHCP server, management of exchange servers 2013, user’s management through active directory Managing client with GPO and OU, anti-virus servers. etc. Excellent knowledge in Virtual Machines management on VMware ESXI 5. Manage and Maintain the physical hardware and virtual environment infrastructure of the Hospital group using Virtual Center Server v5.0 with a mixture of ESXi 5 & ESX 6.5 hosts, consisting of 25 physical hosts with 70 virtual machines and Cisco UCS C220 M4 blades servers with 8 physical nodes with 50 hyper V clients. Built the v5.0 vCenter Server and moved migrated VMs over hosts. Managed the host resources virtual machine resource allocation (CPU, memory, hard disk, etc.) and perform routine maintenance on this environment (schedule downtime for patches, updates & upgrades). Systems troubleshooting and error rectification (hardware and software), Troubleshooting problem related to Wi-Fi. Maintenance of more than 150 Servers Under single network.