PROFESSIONAL SUMMARY:

• Over 9.5 years of professional experience including Systems Administration Systems Analyst role working in Retail, Insurance, Financial, Pharma Telecom domains.
• Over 7 years of experience as a System administrator in the areas of RedHat Linux, OEL, Suse Linux, Sun Solaris, IBM AIX and Windows environment.
• Over 2.5 years as Systems Analyst, as a Mainframe Developer/analyst in very large scale service and product based organizations in Retail Sector
• Expertise in installation, administration, patching, upgradation, configuration, performance tuning and troubleshooting of RedHat Linux 4.x/5.x/6, Sun Solaris 8.x/9.x/10.x ,IBM AIX 4.x/5.x/6.1 and HP-UX 11.x and Microsoft Windows NT 4.0/2000/2003 environments.
• Expert in Jumpstart, JET, Kickstart, NIM, Ignite Installation Methods.
• Experience working with SAN NAS devices like EMC Clarions, DMX, VMAX, 3PAR and NAS Devices like NetApp filers and EMC Celerra.
• Experience in Virtualizing RHEL, Windows and Solaris environments with VMWARE ESX 3.5, 4.0 and vSphere 4.1/5.0 servers on Dell Poweredge and HP Proliant Hardware.
• Experienced working EMC tools like SRDF, Timefinder devices for DR and local replication.
• Experience managing NetApp filers by creating volumes on raid groups and aggregates and sharing to Windows and UNIX servers using CIFS NFS.
• Experience working Snapmirror Snapvaults for backup and replication purposes on NetApp devices.
• Providing 24/7 technical support to Production and development environments
• Expertise in Veritas Cluster Server, Veritas Volume manager and Veritas Net Backup.
• File system tuning using Veritas File System VxFS and Logical Volume Manger LVM
• Planned, documented and supported high availability, data replication, business persistent, fail-over, fall-back Solutions using Sun Cluster 3.1 and Veritas Cluster Server 4.0 and Red Hat cluster in SAN environment.
• Expertise in Installing and Managing LDAP, NIS, NFS, DHCP, SAMBA and DNS.
• Experience with Redhat and Sun Clustering.
• Scheduling various jobs such as Planning, implementing, maintaining and supporting information systems in a wide range of computing environments with Windows 2000/2003 Server, Exchange 2000/2003 Mail Server
• Backup jobs, housekeeping, database, proprietary jobs using CRON, EMC legato Networker and BMC Control-M troubleshooting daily job problems.
• Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.
• In Depth knowledge and experience with LDOMs, Server Domains and Zones/Containers.
• Expertise in Volume management, Disk Management, Software and Hardware RAID solutions using Veritas Volume manager.
• Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat and Sun ONE.
• Monitoring the hosts and networks using NAGIOS, Zenoss, HP OpenView and BMC.
• Strong Experience in Weblogic 5.1, 6.1, 7.0, 8.1 and 9.1, 9.2 Application Server and very good experience in Weblogic 6.1, 7.0, 8.1, 9.1, 9.2 Clusters.
• JBoss including installation, configuration, management and troubleshooting.
• Installed and configured IBM Web Sphere Application Server 3.5, 4.0, 5.0 on AIX
• Experience in Installing, Configuring, and Implementing Virtualization Environment Using VMware ESX and ESXi, SUN Virtual Box, and Microsoft Virtual PC .
• RDBMS installation and support including Oracle, SQL Server, MySQL, and use of SQL in various contexts.
• Configured installed ALOM Advanced Lights Out Manager Load Balancer.
• Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing DMP .
• Worked on Various Storage hardware like EMC Symmetrix, EMC Connectrix and Hitachi data systems.
• Experienced working in Data center and had experience on Cloud Computing Environment.
• A good team player with strong communication skills and an inquisitive mind to learn more

TECHNICAL SKILLSETS:

PROFESSIONAL WORK EXPERIENCE:

Confidential

Unix/Linux Systems Administrator

Responsibilities:

• Experience in Installed, Configuring and Maintaining Solaris/RedHat Linux Solaris 8,9 10, OEL 5/6, RedHat Enterprise Linux 4.x,5.x 6.0 on SPARC, x86 and Itanium server's and Blade Centers.
• Experience supporting Redhat servers in Production and Development environments.
• Experience in virtualizing Redhat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and also worked with ESX Cluster and vMotion.
• Experience working with Solaris Zones/Containers on Solaris 10 for Virtualization.
• Created and Maintained Wholeroot and Sparse root Zones/Containers.
• Installed and Configured RedHat Linux Kickstart and booting from SAN.
• Implemented EC cloud technology in setting the new Linux and Solaris environment.
• Worked with IBM X series, HP DL and Dell Power Edge Model rack and blade centers like HP C6000 C7000.
• Installed and configured openLDAP to create user accounts and to assign access permissions to the users.
• Worked with Centrify, on top of openLDAP which enables to consolidate all workstations, user, and group accounts in Active Directory and use Active Directory for all authentication, authorization, and directory services.
• Experience working with HP Openview client and server configuration.
• Experience in writing scripts to automate jobs and debugging scripts.
• Experience in using protocols like NIS, NFS, SSH, SFTP DNS.
• Migrated different applications like SAP Databases like Oracle from HPUX to Linux.
• Administered Volume groups and volumes using HPUX and Linux volume manager
• Installed/Configured Websphere 5.x/6.x and other Application Servers.
• Administration of Websphere Application Server 6.x with Network Deployment, and Extension Deployment, on RedHat Linux.
• Mirroring of root disks using hw Raid Controller on HP Dell HW.
• Managed 100 UNIX servers running RHEL, HPUX Solaris on Oracle HP and Dell server including blade centers.
• Experience working HP and IBM Blade centers to consolidate data centers.
• Experience configuring Emulex Converged Network Adaptors by Installing One Command on RHEL servers.
• Involved in Designing and Implementing host level migrations and replacing virtualization using P2P and P2V.
• Creating volumes using storage for VMAX Array on Redhat Solaris servers.
• Data migration at Host level using Red Hat LVM, AIX LVM, Veritas Volume Manager and Solaris LVM

Environment: Red Hat Linux RHEL 3/4/5 , Solaris 9/10, Logical Volume Manager, Sun Veritas Cluster Server, Global File System, Redhat Cluster Servers.

Confidential

Sr. Unix/Linux Administrator

Responsibilities:

• Involved in Design, Configuration Implementation of Unix/Linux migration activities from 3PAR to EMC SAN devices like VMAX.
• Involved in 24X7 Production support,Build and Migration Assignments.
• Worked Primarily on RHEL 4/5,HPUX and Solaris 8,9 10 Operating Systems.
• Involved in migration activities using Redhat LVM, Solaris LVM, Veritas and EMC Open Migrator.
• Experience running EMC GRABS, Heat and Sun Explorer reports and working with EMC and SUN/Oracle support teams.
• Migrated ORACLE RAC servers using system EMC Openmigrator and effectively worked with the database team to bring up/down the databases.
• Writing Shell and Perl Scripting for automation of job.
• Implemented Puppet for Automation in the Non-production environment.
• Tuning the kernel parameters based on the application/database requirement
• Used Veritas File system VxFS and Veritas Volume Manager VxVM to configure RAID 1 and RAID 5 Storage Systems on Sun Solaris.
• File system tuning, growing, and shrinking with Veritas File system 3.5/4.x.
• Installed and configured GFS cluster for holding databases.
• Managed users accounts for the team access for Redhat Satellite Server.
• Build channels and pull the packages from master Redhat Satellite Server.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies.
• Configured openLDAP Red Hat Linux systems.
• Expertise in troubleshooting the systems and managing LDAP, DNS, DHCP and NIS.
• Worked with different Active directory databases like Microsoft AD, Tivoli Directory server with LDAP.
• Worked on making DSN entries to establish connection from server to DB2 database.
• Experienced Cloud Computing technology.
• Experienced working on different remote consoles like HP-ILO, IDRAC, RackableRoamer.

Environment: Red Hat Linux 5.x/6.0 , Solaris 9/10, Logical Volume Manager, Sun Veritas Cluster Server, Global File System, Redhat Cluster Servers, AIX, Websphere

Confidential

Sr. Unix/Linux Administrator

Responsibilities:

• Installation and Configuration of Solaris 10, RedHat Linux 5 operating systems on large distributed environment.
• Configured, administered and effectively monitored AIX on IBM bladecenter servers and P-series servers.
• Implemented remote installation on servers using AIX Network Installation Manger NIM ,RedHat Linux Kickstart and Solaris jumpstart/JET Servers.
• Installed and configured RedHat software's and 3rd Party tools using RPM's and YUM on RedHat servers.
• Worked on SAN NAS devices like EMC Clarions, and NAS Devices like NetApp filers.
• Worked on NetApp filers like FAS 3240 6070 running DATA ONTAP 7.x.
• Involved in creating volumes on raid groups and aggregates and sharing to Windows and Unix servers using CIFS NFS.
• Experience working Snapmirror Snapvaults for backup and replication purposes on NetApp devices.
• Upgraded Red Hat Linux servers from 5.2 to 5.4 and AIX from 5.2 to 5.3.
• Involved In Migration from Solaris to Red Hat Linux.
• System performance tuning, User administration and security.
• Scheduling Backups, Monitoring taking failover test of Veritas Clustered servers.
• Clustered multiple RS/6000 machines on AIX 5.1/5.2 using HACMP, configured HACMP cluster to keep applications running.
• Monitoring of Tivoli storage logs for restarting any failed backups or trouble shooting any file permission or stale file handling problems.
• Ability to screen and diagnose client inquiries and problems troubleshoot to clearly understand problems root cause determination , solve problems, use operational documentation runbooks
• Responsible for administering and maintaining RedHat Linux work stations running Apache web server, iPlanet and SUN ONE.
• Configured and Administered JBOSS 4.2 on RedHat Linux and Solaris Cluster Nodes.
• Installed and configures Weblogic 9.1.
• Installed and Configured VMware ESX 3.5 server and Installed Red Hat Linux servers on top of it.
• Worked on EMC Legato networker for the backup and data recovery
• Provided eCommerce application support for Java/J2EE based ATG Dynamo and Websphere environments.
• Worked in Data center environment for configuring new Hardware.

Environment: AIX 4.3,5.1,5.2,5.3,Solaris 8/9/10, RedHat Linux 5.x, IBM Blade center Servers HS20, HS21 , Lenovo workstation's D2, D3, D10, D20 , IBM P570, p590, 595MQSeries 5.0

Confidential

Linux/Solaris Administrator

Responsibilities:

• Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, UAT/Staging.
• Incident management for Unix Servers Solaris, Linux and AIX .
• Involved in migration AIX servers from 5.2 to 5.3.
• AIX systems administration and Disk Management using SMIT
• Primary responsibility includes building and supporting Solaris/ Red hat Linux 3,4 servers.
• Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat WebSphere and Weblogic application server.
• Installation and configuration Veritas Net Backup on Sun Severs and performing Backup using Veritas Net Backup.
• Sudo administration and Redhat Linux package administration using rpm and YUM.
• Involved in migration of projects from one flavor to another one.
• Worked on SAN using Tivoli Storage Manager in allocating filesystems to the end users and for managing storage.
• Involved in development, user acceptance, and performance testing, production disaster recovery server.
• Worked in Data center environment for racking servers and configuring new Hardware.
• Worked with other IT teams, customers users , and other managers in helping build and implement systems and standards.

Environment: IBM AIX 4.3.3, 5.1, 5.2,Solaris 8/9/10, Red Hat Linux 4/5, Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, IBM RS/6000, Disk Suite.

Confidential

Unix/Linux System Admin

Responsibilities:

• Performed system administration of UNIX servers by using Operating Systems of Solaris, HPUX and Red hat Linux Installed, configured, and maintained WebLogic and Oracle DB Servers on OS Solaris, HPUX and Red hat Linux.
• Performed Decommissioning on Solaris HP-UX Servers after the servers are being migrated to new hardware.
• Very good knowledge on Advanced Virtualization on Sun Servers using Zones LDoms.
• Working with engineering team to build New Linux Servers and maintained various versions of Linux Servers RHEL 4.6, 5.3, 5.6 and HPUX11i v1.
• Set up Virtualization that includes Installation and configuration of VMWare ESX3.5 4.0 Server's.
• Worked on clustering software's like VERITAS HP MC Service Guard running on HPUX 11i v1.
• Plan, design, Implementing, Installation and configuration Operating System upgrade on Red Hat Linux 4.0 on HP-Dl585 G3 G4 servers.
• Actively participated Disaster Recovery DR tests.
• Configuring storage using Logical Volume Management LVM , Installed Veritas Volume Manager 4.1 and created file systems, mirrored and striped volumes
• Performed IBM Total product Storage Installation on different Operating Systems.
• Coordination with off-shore team to implement any changes in production environment and also Involved in post-production support for solving complex issues which has high visibility.
• Day-Day application support on production and technical documentation for critical prod issues, On call pager support 24/7 environment.

Environment: RHEL 3.x/4.x, SUSE Linux, Sun Solaris 2.6 and 2.7, VMware ESX 3.5/4.0, Sun E450, E250, Sparc stations 20, Switches, Hubs, DAt DLT Tape Drivers, Windows NT 4.0, 98, 95, Apache, IIS 4.0 and Oracle 8i.

Confidential

Lead Systems Analyst

Module Lead

Responsibilities:

• Requirements gathering and analysis, preparing System Requirement Specification documents from User Requirement Specifications.
• Worked on Business rules - Data mapping and transformation exercises.
• Worked with the project architects in solutioning and tooling decisions.
• Manual Process Automation Designed new process and logic for Automating some of the existing ETL processes in Mainframe
• Program Specifications Prepared program specifications based on the user requirements as well as business logic extracted from existing programs
• Coding with COBOL, CICS, DB2 and JCL
• Tuning the Cobol DB2 programs and Reduced the processing time from 18 hours to 3.5 hours and got appreciation from Clients
• Unit Test Case Identified all possible test cases and documented the same for unit testing
• Responsible for Unit Testing.
• Volume testing
• Implementation of changed code.
• Coordinate and Communicate with the Onsite for Business Clarifications.

Environment: IBM-Z/OS, TSO/ISPF, COBOL, JCL, DB2, CICS, TSO, Changeman, SPUFI, File AID, VSAM, DFSORT, Syncsort, ICETOOL, IBM Utilities, Control M

Confidential

Developer

Responsibilities:

• Analyzed user requirements.
• Converting Business requirements to System Requirements.
• Conducting Requirement Reviews with the clients.
• Preparing the Impact Assessment document.
• Identified the modules where changes were required, Coding and Unit Testing.
• Did documentation and technical enhancements for maintaining the existing application
• Prepared Unit Test Plans and User Acceptance Test Plans
• Did extensive system and integration testing and supported Full Volume data test runs.
• Followed Project Management procedures to be both efficient and effective in completing the Implementation.

Environment: IBM-Z/OS, TSO/ISPF, COBOL, JCL, DB2, SPUFI, File AID, VSAM

Confidential

Application Developer

Responsibilities:

• Analysis of the requirements in modules.
• Preparing the Program specifications for the impacted modules
• Coding of batch and online programs.
• Perform Unit testing.
• Capture unit test results.
• Execute the test batches.
• Analyze production abends.
• Monitor production batches.
• Create batch statistics.

Environment: IBM-Z/OS, TSO/ISPF, COBOL, CICS, DB2, TSO, JCL, Librarian, Xpeditor, DFSORT, Syncsort, ICETOOL, VSAM, SPUFI, File Aid, IBM Utilities.