 Supporting 1000+ UNIX servers such as Red hat Linux, Oracle Enterprises, Suse Enterprises Linux, CentOS, IBM AIX and Solaris in 3 Data Centers in all 3 zones. Working on implementation such as Server build, Decommission servers, Migration and Disaster recovery.  Experience in Installing and configuring Puppet Master Enterprise. Experience in managing puppet module, group and classes. Experience in adding multiple agent node with puppet master and managing various roles. Experience in managing modules, auditing and customizing puppet manifests files. Experienced on various cluster software. Such as HA Redhat cluster in rhel5 and rhel6 and pacemaker cluster. Experience in creating and managing redhat cluster shared CLVM and GFS2 file system. Experience on Oracle RAC cluster running on Redhat. Experience on Virtualization, OS Installation, OS upgrade, P2V Migration (Physical to Virtual), crating VM's and memory re-size V2V migration (Virtual to Virtual). Working and having knowledge on various tools to support server remotely. Such as, HP ILO, Vmware Vsphere client and HP Blade center. Hands on experience on server delivery Includes order LUN, Backup, Monitoring Tool etc. Experience on Oracle RAC cluster running on OEL (Oracle enterprise Linux). Experienced in LVM mirroring in LVM level using NETapp and Hitachi SAN and Netapp NAS filer. Experience on identifying switch port failures and replacement of fiber cables. Configuring hardware level raid in bios level. Such as 1+0 and 5. Experience in configure and troubleshooting Emulex HBA Fiber channel card and multipathing. Experience in configuring and troubleshooting bonding on both 1 and 10 gig FSP Ethernet port. Experience in configuring and analyzing KDUMP report. Installing/Configuring backup for Server and Doing backup/restore for customer project with Commvault Backup.

 Part of Oracle Next Generation Infrastructure Cloud Computing project. Supporting clients and providing 24/7 production support in OEL and Linux environment. Part of Production Planning team, Prepare RFC and perform changes. Experience on Creating/Deploying Virtual Machines using VMAC Tool. Experience on Migrating the VMs from one server/server pool to another using VMAC. Experience on virtualization techniques like P2V, V2V and V2P migrations. Experience OS and Kernel Upgrade and application of Ksplice patch. Performing OS installation using kickstart and askmethod. Hardware upgrade and swap for data center servers as per client’s requirement. Experience on configuring and troubleshooting on IP Bonding. Experience in configure and troubleshooting Emulex HBA Fibre channel card and multipathing. Responsible for Cold migration (V2V) from one Dom0 to another Dom0 (Hardware). Experience on BIOS and Firmware upgrade on Hardware DELL/SUN Fire 4170/M2/M3. Infrastructure maintenance Co-ordination with Data Center team. Configuring and managing Logical volumes, RAID, DISK Quotas and ACL. Configuring and managing additional swap space. Experience and managing SAMBA, NFS. Doing backup/restore for customer project with Oracle Secure Backup and Symantec NetBackup. Provisioning custom setups of Linux servers for customers as per the requirement.

Working in IMC project having around 400 Linux servers with 500 Unix servers. Such as Solaris 9 and 10, IBM AIX 5.3 and 6.1 environment. Having Experience on Applying OS Updates, Patches through satellite server. Having experience in san migration from EMC clarion storage to IBM XIV.Configuring multipath and in IBM XIV storage and configure SAN LUN.Experience in replacing faulty drive in Linux installed RaidMan controller.Having Experience on Disaster Recovery and Business Continuity Plan.Talking Remote Administration through VNC (Virtual Network Computing), SSH (Secure Shell), TELNET.Having Experience on Server Monitoring through Snapimon tools.Installation and administration of Linux OS like Redhat4, Redhat5, Suse Linux, Oracle Enterprise Linux (OEL) and Cent OS from kickstart, and Askmethod.Partitioning & Disk management, Package management, User & Group Admin.Having Experience on Linux Server Build on IBM x series and IBM HS22 blades.Configuring and Managing Disk Usage with Quotas.Troubleshooting: SELinux, Networking, Boot Process, Filesystem Problem during Boot.Experience on creating Linux Software RAID0, RAID1 and RAID5 .Experience on Expanding, shrinking and mirroring linux Partitions with LVM (Logical Volume Manager).Configuring Linux Firewalls Using iptables.Scheduling and adding various jobs through CROND.

Working in Projects Nortel Anite, Nokiya Taxas Instrument, LG, Samsung with Managing more than 160+ VM Server and 70+ Linux Desktop.Experience on Linux Redhat3,4,5, Fedora7,8,9,10, Suse9,10 & Ubuntu8.04,9.04, Debain3.1, Centos5.1 solaris9,10. Implemented DNS/DHCP Server for Multiple IP Segment with DHCP Relay and for multiple Domains. Managing SAMBA Servers with appending and revoking user and group permission.Configured Kickstart Server with NFS.Configured Apache Web Server and Squid Proxy Server. Installing and upgrading packages and patches Administration.Experience in Swap File system Management. Installing and updating OCS tool in Server/Desktop by Cron job and Monitoring and checking up-to- date in OCS server.Installing and Configuring Software remotely by VNC, X-query and Putty.Experience in Network Management.Managing XDM and VNC services and solving VNC and X-query Login issue in Linux Build Server.

 Managing XDM and VNC services and solving VNC and X-query Login issue in Linux Build Server. Installing of Operating System like Linux Redhat3,4, 5, Fedora7, 8,9,10, & Ubuntu8.04,9.04, Centos5.1.  Managing, creating, Deleting and moving NIS Accounts and Home Directory in NIS Servers. Resetting password and Extending password expiry date for Unix User in NIS servers. Assigning and Revoking Permissions to the Required Files and Folders . Mapping and Remapping SAMBA Share in Windows for Windows Users. Installing and upgrading Desktop/Severs OS like Linux Redhat, Ubuntu, and Configuring NIS Client and Binding with NIS server. Maintaining & Troubleshooting Laptops manageable Switches, Hubs LAN and Wireless Devices Tplinks, Dlinks, Wireless Routers, etc.