Summary

• Over 7years experience in UNIX Solaris 8,9,10,11, RedHat LINUX 4,5,6, SuSE 10.x/11.x, CentOS 5, Fedora, Ubuntu and AIX 5.1/5.2/5.3/6.x Systems Administration.
• Experienced in installing, configuring,migrating and upgrading Solaris, Linux using manual and automated installation.
• Experience supporting applications like Apache, Tomcat, Weblogic and Oracle RAC DB running on RHEL.
• Experience in supporting and implementing security on RHEL.
• Resolution of technical issues on system integration and support.
• Engineering, architecting requirements for new environments , designing and implementing end-to-end Disaster Recover
• Experienced in Migration of Data-centers
• Shell and Perl scripting for job automation
• Worked on Incident Management, Problem Management Change Management.
• Installation Configuration and Administration of VeritasVolume Manager, Veritas Cluster Server 5.0, VxFS, Redhat Cluster Server using EXT3 , EXT4 and GFS.
• Disk space and File system management using Veritas Volume Manager 4.x, 5, Logical Volume Manager, Solaris Volume Manager and LVM
• Experience in upgrading and degrading KERNEL Versions and SAN MULTIPATHING in LINUX.
• Experience in migrating servers between Datacenters.
• Experience of working in Data centers with 24X7 Production and On-Call Environment.
• Experience in using various network protocols like HTTP, UDP, POP, FTP, TCP/IP, and SMTP.
• VMware Infrastructure Installation Configuration. Planning and Designing VMware VI3 ESX3.x/ ESXi 4.x/ Thin ESX,ESXi 5.x VMware Virtual Center and VMware VSphere .
• Migrate Physical Servers to Virtual Server using VMware Converter P2V Converter .
• Experience in supporting Red Hat Satellite Server, RHN
• Troubleshooting issues on Application Servers on Linux, Solaris Servers.
• Hands-on experience in configuring SSH and FTP server/client systems to transfer files.
• Expertise in Installing and Managing LDAP, NIS, NFS, DHCP and DNS.
• Experience in UNIX with Korn, Bourne shell scripts, Ability to work in team oriented and problem solving environment.
• Good Communication skills, ability to lead a work team, working in Team Environment.
• Solution implementation and troubleshooting all network related issues

TECHNICAL SKILLS

• Operating Systems: Solaris 8/9/10/11, RHEL 3.0, 4.x/ 5.x/6.x, SuSE Linux Enterprise Server 9, 10 and 10 Windows 2003, 2008, AIX 5L
• Programming Languages: C, Perl, Shell, SQL, xml, html.
• Unix Services Tools: DNS, DHCP, NTP, HTTP, LDAP, SSH, SSL, SFTP, GREP, SCP, AWK.
• Storage Technologies: NetApp NAS, EMC Clariion, VNX, HDS, EMC Powerpath, Snap Mirror, Veritas NetBackup, Volume Manager, oracle zfs 7400.
• Virtualization Technologies: Solaris Zones, VMWare ESX Server and Vsphere, VMotion.

PROFESSIONAL EXPERIENCE

Confidential

Unix System Administrator

• Installation, Configuration and Upgrade RHEL 5.x, 6.x , OEL 6.x and Solaris 10, 11 operating systems.
• Migrating servers Solaris, and Red Hat Enterprise Linux from one datacenter to another
• Job automation with scripting, shell and perl
• Veritas, Sun Cluster installs and management
• LDOM and Zones on Solaris OS, installation, troubleshooting, patch management.
• Worked with UNIX flavors Solaris/ LINUX administering systems. Patching software/firmware.
• Installing hardware on X86. 24hr on call support experience. Worked on backup solutions from Netbackup to recover or save data other than the OS.
• Installation and Configuration of Veritas Volume Manager, Logical Volume Manager and Redhat Cluster.
• Implementation of RAID techniques and the creation of Disk groups using Veritas Volume manager.
• Backups and recovery of Solaris/Linux operating systems.
• LVM experience with LINUX and SVM,ZFS with Solaris
• Troubleshooting problems with hardware and operating systems on multiple platforms working with multiple vendors to repair.
• Account and file system administration.
• Supporting Oracle RAC , troubleshooting, and installation for new servers and projects
• Implementing SAS70, PCI security for security remediations
• Worked on true DR on HP Proliant Blade servers.
• Extensive use of Logical Volume Manager LVM , creating Volume Groups, Logical volumes and disk mirroring in Linux, Solaris and AIX.
• Day to day trouble shooting for end users on UNIX/LINUX
• Configured NFS and LDAP services in Red Hat Linux and Solaris systems.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart and Jumpstart servers.
• Installed and configured Redhat Linux using kickstart Server.
• Involved in OS upgrade and Server migration from Solaris and HP-UX to Redhat Linux.
• Managing Redhat Satellite Server. Also created RPM packages using RPMBUILD, verifying the new build packages and distributing the package.
• Worked on SAN/EMC storages with HBA card configuration and different level of RAID configuration.
• Helped to establish standards, policies and procedures for all aspects of Unix server environment like administration, documentation and configuration.
• Supported Oracle DBA , Weblogic, Apache and middleware team for environment issues related to Unix infrastructure
• Configured Resource Pool, Motion, Alerts, Alarms in Tivoli
• Server, KVM, Network Appliance installation, configuration, and troubleshooting
• UCS and VMware installation/configuration/troubleshoot
• Troubleshooting and resolving failures in the network and Maintaining the security posture of the network
• Good understanding of Lab build and Network topology, DNS, NAT, etc
• Worked under ITIL premises for Change Control Board
• Participated in on-call rotations for data-center support
• Team player with excellent communication and inter-personal skills

Confidential

System Administrator

• Unix Engineer for the Solaris to Linux migration effort, which involves a great deal of coordination work between the different Applications team, Firewall team, SAN team, Testing and user groups for the successful migration of the servers.
• Helped the Application owners, Server Type Owners to understand what the different services that are currently used by their Application in Unix environment.
• Scripting in shell korn and bash for server automation
• Worked with Veritas Volume Manager, Veritas Cluster server, ZFS, SVM and ZFS
• Built and configured virtual servers on VMware, Zones and LDOMs
• Installation, Configuration, patched Upgrade of the newly built Redhat Linux 5.x 6.x, and the existing Solaris, HPUX, operating systems
• Worked with outside vendors to find the best hardware and software solution.
• Preventative and proactive system monitoring functions and real-time responses encompassing: Systems Administration, OS Level SAN Administration, Backup and Restore and Security Remediation.
• Cron tab script maintenance in shell scripts
• Configured and maintained servers using VMware ESXi. Experience in working with adding new Disks to the VM from the Hostgroup
• Extensive use of Logical Volume Manager LVM , creating Volume Groups, Logical volumes and disk mirroring in Red Hat Enterprise Linux.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process performed Kickstartto install OS on Several workstations.
• Created users, manage user permissions, maintain User File System quota on Redhat Linux
• Installation, Upgrade and Management of packages through RPM and also take care of dependencies.
• Performance monitoring and tuning of Linux, Solaris servers.
• Maintaining the CPU Memory utilization of Unix/Linux/Solaris Servers reports on the WEB.
• Extensively worked in data and Oracle, Sybase database migration from older machine to latest configurations.
• Installation, setup, configuration, security administration and maintenance for flavors of servers.
• Implemented Security Hardening per company, SAS70 and PCI policies using Solaris 10,11 and RHEL 4,5 features.
• Supported 24/7 high availability production servers in data-center environment consisting of 5000 servers
• Complete periodic checks of production and development systems CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.
• Provided top level technical support for HP ProLiant Server , T-series, M-series and Sun-Fire hardware and software issues and coordinated all Server related change activity within the Data Center.
• Responsible for server decommission/reassignment
• Assisted in troubleshooting user problems relating to Network Connectivity, and TCP/IP configuration.
• Participated in on-call duties
• Responsible for maintaining current software and hardware patch updates for all servers.
• Responsible for documenting and maintaining complete and accurate information for all active and decommissioned servers.
• Demonstrated ability to gather relevant information and diagnose issues effectively and efficiently