PROJECT : TIAA—CREF (Financial services company)TIAA—CREF (Teachers Insurance and Annuity Association—College Retirement Equities Fund), is a Fortune 100 financial services organization that is the leading retirement provider of financial services for the academic, research, medical, cultural and governmental industries. Responsibility :=============  Installation & configuration, Kickstart, Puppet on Redhat Linux 5x, 6x, 7x, CentOS , Fedora , Ubuntu operating system updates, Physical, Chassis, ILOM and Virtual, vSphers/vCentre Env. Protocols/Services : TCP/IP, DHCP, DNS, IMAP, POP3, telnet, ftp, NAS Protocol etc.  Storage migration, Networker, iscsi-target, iscsi-initiator, udev, Device mapper multipathing, EMC Powerpath, HDLM Powerpath, New disk setup RAID1, mdadm on live production box (Hot-plugin), Storage, NAS, HBA cards/ports and WWIN, FC (Fiber Channel), LUN, ASM, H/W (Hot Plug-in)  Virtualization and cloud technologies such as VMWare, vSphere, vCenter,  Veritas Cluster (VCS), Redhat Cluster,  Yum configuration, DNS (Bind/named), SQIUD, Iptables, NFS, Samba, DHCP, NTP, LVM, FTP, tar, sync, Send mail/Post fix, Apache, putty, password less login. LUN configuration, Disk creation, fdisk, mount, Autofs, inodes, cifs, Selinux, NIC, Bonding/Teaming and Running applications on live environment,  Managing Application & troubleshooting on Remote Servers. Patching, Erratas, Packages upgradation, RHN Satellite, RHN Registration, add/delete Kernel Java tuning with apps, Heap Dump, Thread Dump, Kdump,  Excellent troubleshooting skills including RUNLEVEL 1 Booting Process, ulimit, Disk space, Load average, lsof, Swap, CPU, Memory Utilization etc. Configuration App on Production/Stagging/Development/Test/DR as requirement, RCA (Root Cause Analysis), Task, Incident, CN (Change Management), Server uptime (99.5% or Above), SLA, documentation, Client Meeting Etc.

PROJECTS :PHILIPS, REDHAT, ITT e-LEARNING, K12, SIRII, SANGARI, TRPCA , WILEY, ALICO, AEONHEWET,Role: Senior Hosting EngineerTeam Size: 15 ResourcesServer counts approx. : 180 Server Type : Production, Staging, Test, Croner Server,Jump Server, FTP Server, JBUILDProject Location: NIIT Head Office A-24, Sec-34, Infocity,Gurgaon (H.R.) - 122001 Responsibilities:============== Managing Kernel Module add module, delete module, module dependencies, Patching & compiling kernel.) Managing Load balancing via LVS (pulse, ipvsadm, nanny) active router & Backup router, Managing High Availability Cluster via Heartbeat service, DRBD (Distributed redundant block device) mirroring bit by bit replication for database, Manage Apache (HTTPD) & Tomcat for accessing the data for requestor, Maintenance, monitoring and troubleshooting of Linux Boxes via top. Uptime, free  Box performance Management, process, CPU utilization, MUM utilization, disk space, etc.  User management & permissions and disk quota, Backup via tar & gzip to manage disk space, Auto job via Crontab, at, batch, Manage incoming & outgoing traffic via load balancing (LVS) Linux Virtual Server, Excellent troubleshooting skills. Creating & Managing Documentation in easy way, ----------------------------

Project Title: VTL – Datacom: Videocon is providing Topup/Recharge service in telecommunication (Videocon All over INDIA). It holds a large market share in telecommunication environment in the country. It has a large infrastructure setup and very large subscriber base across the country. E-Topup is providing Electronic Re-charge/ Topup facility to Videocon Pre-paid wireless subscribers (GSM or CDMA subscribers).Client: Videocon MobileRole: Linux System Administrator Team Size: 50 ResourcesEmployment Type: Full-Time Duration: Apr 2011 - JAN 2013Project Location: Plot No. 296 UdhyogVihar Site: IBM Onsite, Gurgaon (H. R.)Responsibilities :============== Installation Kickstart (PXE) & configuration of Redhat, CentOs, Fedora on Dell & IBM Blade. Installing & managing of servers Apache (HTTPD), DNS (Bind), FTP, NIC Bonding, NFS, SAMBA, NTP, LVS (Linux Virtual Server), DRBD, Heartbeat etc, Creating USERS and GROUPS policy, Implementing Quotas & LVM (storage) Configure DNS for resolving domain name &DHCPD for obtain dynamically IP Manage the NFS & Samba server for file sharing. Managing Iptables & storage disk via LVM ver. 2.0, & backup via tar, gzip etc, Manage Server performance via CPU utilization, MUM utilization, stop unwanted Services, and manage processes priority.  Creating & Managing storage device using LVM. Manage httpd (Apache) server on Network, Provide file access via NFS & FTP server, Managing the Samba, server for all clients (windows & linux), Make cronjob for watching for Network connectivity, Managing the LAN/WAN connection in linux environment, run the DHCPD Daemon for obtain dynamic IP.  Creating & Managing Documentation in easy way,

1- Manage Apache server on Redhat Linux & CentOS machine & making the virtual host (Any virtual website under http.conf ) in hosting environment.2- Installation and configuration of Redhat linux, CentOs, Fedora on Dell & IBM Blade.3- Manage web applications on tomcat servlet engine in hosting environment.4- Server Apache v. 2.0 (Httpd Server), DNS, DHCPD Monitoring, troubleshooting & reporting for an error.5- Manage DNS for resolving name domain & DHCPD Daemon for obtain dynamically IP. 6-Configuring & managing Lease line, Local lane & VPN, 7-Manage the ftp, NFS & Samba server for file sharing. 8-Run simple script for backup & watching Network connectivity. 9- Managing the disk storage using LVM var 2.0. 10-Set Cron job for managing Network & backup.