SUMMARY

• Around 9 years of experience as UNIX System Administrator with expertise in Linux(RHEL 3/4/5/6 & SLES 9/10/11),Solaris 8, 9 and 10, Confidential - UX (10.x, 11.x), AIX 5.x and Windows (NT/2000/2003) in diverse environments
• Expertise in building Servers using Jumpstart and Flash Archive for Solaris, Ignite for Confidential -UX and Kickstart for Linux. Exposure to NIM for AIX installation
• Experience in configuring and using System Imager and Redhat Satellite Server for Linux servers.
• Expertise in configuring and administering NIS, NIS+, NFS, DNS, LDAP, DHCP, Mail Servers and Web Servers like Apache HTTP & Tomcat in heterogeneous environments
• Having good Experience in installation, configuration and Volume/File system management using VERITAS Volume Manager, Logical Volume Manager (LVM), Solaris Volume Manager (SVM) and VERITAS File System
• Extensive Experience in implementing and monitoring High Availability environment using VERITAS Cluster Server, Redhat Cluster Server, Sun Cluster and Confidential Service Guard
• Good experience on working Oracle Real Application Cluster (RAC)database, which provides highly Available Database Solutions
• Good experience on working IBM Clearcase
• Experience in migrating terabytes of data from Hitachi SAN storage to EMC symmetrix.
• Excellent experience on creating zones and installed applications on individual zones. Responsible for configuring and maintaining global and local zones
• Expertise in configuring local remote KVM devices using remote over IP KVM
• Expertise in configuring logical domains(LDoms),which allow virtual Solaris environment
• Extensive experience in configuring Global File System(GFS) and Zetta byte File System(ZFS)
• Highly experienced in configuring IP multipathing(IPMP) on Solaris and Bonding on LINUX environments
• Good experience in TCP/IP and providing all Levels of systems support.
• Great experience in performing backup and restore operation on multi platforms using VERITAS Net backup
• Good experience in creating physical volume, logical volume, volume groups using LVM’s in Linux and Confidential -UX (ITANIUM and PA-RISC).
• Experience in VMware. Installed and monitored Virtual environments with ESX 3.x servers and VirtualCenter2.X.
• Experience in using shell scripts for Applications, Backups and scheduling.
• Configuring & Troubleshooting NFS Servers and Clients in UNIX Environment.
• Involved in Capacity Planning, Performance Analysts, Uptime and Response time analyst.
• Excellent understanding of server hardware, Peripheral devices and hardware Architecture.
• Worked on Group and User administration, startup & shutdown scripts, Crontab, File system maintenance, Backup scripts and Automation.
• Worked on SAN storage Technologies like rdf and Snaps and Network Storage Systems like DAS, NAS and SAN
• Excellent in patches and packages installation.
• Designed and implemented the Application based Load Balancing, Clustering and Mirroring.
• Experience in working fast-paced, deadline-oriented environments.
• Excellent analytical and problem solving skills as well as Interpersonal skills working in a Team environment.

TECHNICAL SKILLS

Operating systems: RedHat Linux (RHEL 3/4/5/6), SuSE (10/11), Solaris 10/9/8, Confidential -UX (11.00, 11.11, 11.23, 11.31), IBM AIX (5.1, 5.3),, Windows 2008/2003/vista

Server hardware: Excellent Hardware skills on Sun Fire 3800/4800/6800 , V120/V240/V440/ V 0/V1280/V880/V890,Sun Enterprise 250/220R/420R/2900,E10K,E25K, Tseries, MSeries, Confidential Proliant DL 585/360/385/585 G2, rx8640, rp7420, rp8420, N-Class, L-Class, D-Class, K-Class, T-Series M-Series, IBM e-Server Regatta P690, P570, RS6000, IBM/ Confidential /DELL Blade Servers

Storage hardware: Symmetrix DMX 800/1000 / DMX-2 / DMX-3 & EMC CLARiiON FC and CX Series, FC JBOD, Brocade FC Switches, Net App Filers, Qlogic and Emulex FC HBAs, Brocade silk worm 3200, 3800,48k, iSCSI/ FC Storage arrays, RAID Storage arrays, DLT and LTO Tape Libraries, Hitachi enterprise systems

Cluster Solutions: VCS 4.0 & 5.0 with CFS & GCO, Sun Cluster 3.0, 3.1,Redhat Cluster Suite, Service Guard 11.16/17/18

Scripting language: Ksh, Perl, Bourne shell.

Networking Services: NIS, NFS, AutoFS, DNS, SSH and Sendmail.

Ticketing Tools: Remedy, RedBox, Service Centre and OPAS.

Protocols: TCP/IP, UDP RIP, SOAP, EIGRP, IGRP, SNMP, SMTP, TELNET, HTTP

PROFESSIONAL EXPERIENCE

Confidential, Charlotte, NC

Unix Linux Administrator

Responsibilities:

• Installation, Configuration & Migration of UNIX and LINUX operating systems.
• Installation Packages, patches and kernel setting and tuning on Redhat/Suse and Solaris servers.
• User access management locally on the servers and through specialized softwares like BOKS and VAS.
• Configuring and scanning storage, carving file system and raw devices on storage.
• Work with application team and DBA team to customize system and kernel settings as per application or database.
• Work closely with applications, developers and DBA team to resolve the issues.
• OS rebuild, upgrade and migrations using jumpstart and kickstart installation on Solaris and Linux servers.
• Installation, configuration and remediation of various Security softwares.
• Writing Shell Scripting to automate the job.
• Installation and configuration of VERITAS Cluster servers and configuration of resources and agents.
• Upgradation of VERITAS storage foundation suite, installation of maintenance patches and troubleshooting of issues after upgradation.
• Installation and configuration of Oracle RAC packages, heart beat and ASM devices on Oracle RAC cluster.
• Work on Sybase DBA specifications to configure file system, raw devices and tuning kernel parameter for Sybase Database on Linux and Solaris system.
• Configuring and troubleshooting networking issues on servers.
• Installation and upgradation of packages using RUG and HPSA automation tools.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies.
• Performance Management using tools such and BMC Enterprise Performance Assurance, Storage
• Analyze, review and alter existing network to increase operational efficiency or adapt to new requirement like review board and nagios.
• Support and administer various network infrastructure components to ensure uptime and reliability. Routine administrative tasks, like troubleshooting and correcting problems in the existing network.
• Manages process to ensure product release, applications, and corporate block point cycles are synchronized.
• Supporting various applications/databases during the BCP (Disaster Recovery) test.
• Participating in on call production support also worked as AOD (Admin Of the Day).

Confidential, Trumbull, CT

Unix-Linux System Administrator

Responsibilities:

• Installed and Configured Suse 10, 11 and Red hat Linux 5,6.
• Build servers on virtual and physical environment for various applications.
• Build templates in virtual environment to build Virtual Servers out of the Templates.
• Administered, maintained SLES 10, 11.0, troubleshooting hardware, operating system, applications & network problems and performance issues.
• Created users, manage user permissions, maintain User & File System quota on SUSE and Red Hat Linux.
• Implemented Logical Volume management (LVM) for disk management and allocation of space to physical volumes, Creating Logical volumes.
• Extensively worked on ext2,ext3 and reiserfs file systems.
• Administered and provided health check up on virtual SLES servers on regular basis.
• Used and tested SUSE Manager for successful upgrades and patching of SLES servers.
• Performed memory, CPU and swap area upgrades as required by the applications as part of performance tuning.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (POSTFIX), and file servers on SUSE and Linux servers.
• Migrated the NFS file shares from Linux Servers to cellera.
• Developed shell scripts to automate most of the daily activities.
• Setup network printers and installed client/server applications. Defined/setup network protocols, Network File Services (NFS), and Network Information Services (NIS) in SLES servers.
• Set up and implemented NTP servers on SUSE linux box.
• Provided 24x7 technical support .
• Worked with oracle and sybase DBAs on installation of RDBMS database, restoration and log generation and creating the required file system needed for their applications.
• Deployed latest patches for, Linux and Application servers, performed SUSE Linux Kernel Tuning.
• Migrated IDM servers from Netware to Linux Servers.
• Provided support for LDAP servers.
• Implemented virtualization using VMware in Linux on Confidential -DL585 and IBM-z/VM series.

Environment: Solaris 8/9/10, Linux RHEL 4/5, SLES 9,10,11, SUN High End series E25K, E15K and E10K, T-Series, M- Series, Sun X4540, SUN Fire 3800/4800/6800 , Confidential DL- 360G6, Confidential DL -380G6, EMC NS-960, CX4-480, Centera, recover Point, Tivoli Manager, Nagios Monitoring, BMC Remedy for ticket tracking

Confidential, Raritan, NJ

Unix-Linux System Administrator

Responsibilities:

• Extensively worked on solaris10 container technology, created local and global zones, and Created environments on non global zones as per Application requirement.
• Provided support for VERITAS Netbackup clients including tapes replacement.
• Created resource groups using ZFS and applied compression rules and quotas.
• Installations of Linux and Solaris clients using PXEBOOT/Kickstart and Jumpstart respectively.
• Installed and configured Suse 9, 10.
• Maintained 2000+ servers including all hardware and software issues.
• Worked with vendors like Oracle, Confidential, NetApp, Symantec and SGI for all hardware and firmware related issues.
• Extensively worked on adding/removing DNS entries in production environment.
• Configured IP network multipathing(IPMP) on Solaris to provide load spreading for Network Interface Cards(NIC) and bonding on Linux Servers.
• Worked on LDAP server for providing user authentication and fixed various issues includeing setting replication agreements and VLV indexing etc..
• Monitoring System performance and did kernel tuning to enhance the system performance.
• Worked on Veritas Cluster Server (VCS) and Veritas Foundation Suite to provide high availability and storage management.
• Immediate acknowledgement of issues & solving them while constantly updating status for all levels and provide RCA report
• Adding/expanding new storage to existing/new systems using LVM, VERITAS Volume management VxVM and VxFS on Linux/SUN servers.
• Configured yum repository server for installing various rpm’s. and pointed zen server to it.
• Reviewing system log files for errors. Setting up CRON jobs for backups and monitoring process.
• Creating new file systems, managing and checking data Consistency of file systems, Administration and auditing the SUN servers and installation of the patches on production and development systems.
• Creating User accounts, Mail account, groups, printer etc.
• Monitoring Virtual memory, Swap management, disk and CPU utilization by using various monitoring tools such as Nagios and Tivoli
• Creating, Increasing, Shrinking, Restarting, Replacing, and Removing the Volumes and Volume objects.
• Performed User & Security administration, Multiple backup & Recovery technologies (Snapshots, Disaster recovery plan)

Environment: Solaris 8/9/10, SLES 9,10, Linux RHEL 4/5, SUN High End series E25K, E15K and E10K, T-Series, M- Series, Sun X4540, SUN Fire 3800/4800/6800 , Confidential DL- 360G6, Confidential DL -380G6, Tivoli Manager, Nagios Monitoring, VERITAS Netbackup, Trace Ticketing System.

Confidential, Orlando, Florida.

UNIX/ Linux Administrator

Responsibilities:

• Installed and Configured of Sun Solaris and Red Hat Linux.
• Created and Managed Zettabyte file system (ZFS) in Solaris 10, Exported ZFS from local zones tolocal zones.
• Disk and file system management through logical volume manager(LVM) on Confidential -UX,LINUX andSolaris Volume manager(SVM) on Solaris.
• Creating and maintaining Users, Disk space and Process Monitoring in Solaris, Linux, .
• Worked with Package management using RPM and Yellow dog Updater Modified (YUM) in Linux.
• Configuring and monitoring System performance and resolving performance bottlenecks and finetune the system using OVPA (Open View Performance Agent) and Confidential OVO.
• Configured and maintained several VMware based virtual machine for linux.
• Configured $universe, scheduling jobs of clients through $universe.Responsible for day to day System Administration for SUN Solaris, and Linux. Configuring NISDNS, SENDMAIL, DHCP on Solaris 10.
• Worked on various applications like Apache Web Server, and JBoss servers.
• Used monitoring tool Nagios for checking system performance and working out on problemsreported by Nagios on Red Hat Linux, Solaris.
• Worked with tools like HPSA ( Confidential Server Automation), RT (Request Tracker) and Confidential Insightmanager.
• Interaction with vendors for hardware and software supports.

Environment: Solaris 8/9/10, Linux RHEL 4/5, Sun Fire V 480/490/4720/ x4150/280R SeversSun Enterprise 420R/T2000, Confidential integrity rx3600/rx6600, Confidential rp 5405, Confidential 9000 L class, N class, Confidential Prolient DL380 G4, G5, G6, G7, Veritas Net Backup 6.x, Veritas Volume Manager 4.1.

Confidential, Newark, NJ

Sr Unix Administrator

Responsibilities:

• Installation, configuration and upgrade of Solaris, Linux, and Windows NT/2000 Operating Systems
• Configured System imager for Linux Servers and used it for Cloning, software distribution and OS updates.
• Implemented Logical Volume management (LVM) for disk management and allocation of space to physical volumes, Creating Logical volumes and clearing the unused devices.
• Installed and configured VERITAS Netbackup and configured it as a backup Server and Media Server
• Configured additional service groups and resources management with VERITAS Cluster
• Adding/expanding new storage to existing/new systems using LVM, VERITAS Volume management VxVM and VxFS on Linux/SUN servers.
• Created Guest server on VMware ESX 3.0 and installed Linux OS on VMware Guest.
• Configured IP network multipathing(IPMP) on Solaris to provide load spreading for Network Interface Cards(NIC) and binding on Linux Servers
• Created logical domains(LDoms) for consolidation and resource management that includes Dynamic System Domains and containers
• Reviewing system log files for errors. Setting up CRON jobs for backups and monitoring process.
• Creating User accounts, Mail account, groups, printer etc.
• Creating volumes, LUNs and implementing different RAID levels
• Configured and created snapshots of clones of LUNs using EMC Snap View
• Performed User & Security administration, Multiple backup & Recovery technologies (Snapshots, Disaster recovery plan)

Environment: Solaris 8/9/10, Confidential -UX 11/11i, AIX 5.3L, Linux RHEL 4/5, Confidential & DELL Blade Servers, SUN High End series E25K, E15K and E10K, T-Series, Series, SUN Fire 3800/4800/6800 , V480, V440, V240, Confidential rp Series, IBM p5 Series and Blade Servers and Superdome, Tivoli SAN manager, Solstice disk suite (SDS), Confidential data Protector, VERITAS Netbackup, Remedy Ticketing System.

Confidential, Blytheville, AR

Sr Unix Administrator

Responsibilities:

• Installation, configuration and upgrade of Solaris, Confidential -UX, Linux, and Windows operating systems.
• Design and Implementation of enterprise servers with high availability.
• Disk and file system management through logical volume manager(LVM) on Confidential -UX,LINUX and Solaris Volume manager(SVM) on Solaris
• Actively participated and supported in the migration of servers from old data center to New Data Center
• Installation, Configuration and support for Redhat Satellite Server
• Configured ZFS pools, file systems, snapshots and clones
• Trouble shooting web applications Weblogic/Websphere, Apache/Tomcat and helping applications team to find a root cause for any issues.
• Responsible for day to day System Administration for SUN Solaris, and Windows NT servers. Configuring NIS, DNS, SENDMAIL, DHCP on Solaris 10.
• Configuring the volume manager and bringing the drives into VM control
• Creating User accounts, Mail account, groups, and printer.
• Performed Solaris upgrade using live upgrade method.

Environment: Sun Solaris 8/9/10, Redhat Linux 4/5, Confidential -UX 11/11i,AIX 5.3L,Windows, Sun Fire 3800/4800/6800 , V890, V880, V490,V480 and V210, VCS, Veritas Volume Manager, Veritas Net backup, Ksh/Perl programming, DNS, NIS, NFS, Apache, Tomcat, DB2, Sendmail.

Confidential

Unix administrator

Responsibilities:

• Installing, upgrading and configuring Solaris, Linux, Confidential -UX, AIX and Windows-NT
• Customizing OS installation using Jumpstart method
• Regular disk management like adding/ replacing hard drives on existing servers / workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Ensuring all file system status with raid levels, Increasing and creating file systems based on request
• Extensive user and group management
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system/user requirements.
• Installing, managing of DNS, NFS, NIS administration
• Troubleshooting and resolving of problems related to hardware, operating systems, third party applications and scripts
• Backup/Recovery using tar, Ufsdump, and Ufsrestore & Snapshot Utilities.
• Creating user profiles, Administration and setting passwords

Environment: Sun Solaris 7/8,Redhat Linux 3/4, Confidential -UX 11, AIX 4.3, Windows NT, Sun E450, E250, Sparc stations, Solistice disksuite, Perl programming, Apache