• Hands-on Expertise includes – Linux and Windows server infrastructure management, implementation, administration, troubleshooting and end-user support.• Committed team player with strong analytical and problem solving skills and have ability to adapt quickly to new environments and technologies.• Ability to quickly master new concepts and capable of working in team as well as independently with excellent communication skills.• Managing a Data center of 500+ Physical and Virtual servers.• Hands-on experience with Redhat and CentOS environment.• Installing and configuring IBM X Series 346, X Series 3650 M3, HP ProLiant and Dell PowerEdge servers.• Configure and manage HP, H3C and Brocade L2/L3 switches.• Configure and manage Kick start / PXE server for installing remote and unattended client and server installations.• Server monitoring with SNMP and NMAP tools.• Writing automation scripts using scripting and programming languages like Shell and Python.• Configure and manage SAMBA integrating with Windows, NFS, NIS, NTP and FTP.• Configure and manage Active Directory (AD), DNS, DHCP, NIS and Print server (CUPS) services.• Managing apache and Proxy servers.• Maintaining and providing L2/L3 support for HP Z series, DELL T Series and IBM client workstations.• Install and configure Casper server and manage Mac clients.• Implementation of squid (Transparent proxy) with access lists (restricting URLs).• Create and implement of digital certificates using open SSL for website security• Applying routine patches to environment for the involved OS versions.