SUMMARY

• Above 10 years of Strong Experience in UNIX, Linux, VMware and Middleware Administration. Expertise in the installation, support, configuration and maintenance of RedHat/SuSE Linux, Solaris, IBM AIX, HP - UX and Windows 2003/2008, WebLogic/WebSphere Application Servers Oracle/Sybase Database servers under heterogeneous environments.
• Strong in troubleshooting, monitoring, and 24/7 production support experience in mission critical environments. Worked with systems support team to define, architect and maintain highly available production systems.
• Expertise on system build thru Jumpstart/Kickstart/NIM/Ignite manual(CDROM) Installation
• Installation of patches, Security fixes, packages using RPM and YUM tools
• Experience in installing, administering, troubleshootingNFS, DNS, DHCP, NIS, LDAP MailServerandSamba Serverin heterogeneous environment.
• Experience in LVM/SVM for creation of Logical Volumes and File systems in UNIX environment.
• Creation of logical Volumes, using (VXVM 5.1/6.0) Veritas Volume manager
• Strong experience in VERITAS Cluster servers 5.1/6.0 in supporting high availability
• Expérience in Solaris Zones/Containers.
• Strong experience in configuring Zeta byte File System(ZFS)
• Strong experience on Webservers Tomcat & Apache and WebLogic/WebSphere App servers
• Good experience on Hadoop Distributed Filesystem (HDFS)
• RDBMS installation and support including Oracle, SQL Server, MySQL,
• Good experience on installation/upgrade VMware ESXi 4.1/5.0/5.1
• Configuring VMware Virtual Hardware, Memory, NIC and VDISK
• Good experience on VMware migrating P2V/V2V using Vmotion and DRS, HA configurations
• Strong in troubleshooting ESXi and guest OS related issues
• Good experience on BMC Blade Logic tool to Controlling and Automating the servers configuration
• Analyzing and reviewing the System performance tuning and Network Configurations
• Strong experience in Storage Networks and Backup and SAN implementations
• Experience on configuring Oracle ASM/RAC
• Good exposure on Storage Area Networks (SAN), of EMC Clariion, EMC Symmetrix
• Good Knowledge on shell scripting languages like Bourne shell, Korn, Perl shell.
• Experience of working in Data centers with 24X7 Production and On-Call Environments.
• Excellent communication & interpersonal skills. Proven strength in troubleshooting, problem solving, coordination, analysis and a proven track record of success.

TECHNICAL SKILLS

Operating System: Sun Solaris 7,8,9 & 10 Linux (RedHat 3.x,4.x,5.x,6.0 SUSE 10, 11), HPUX 10.20,11.11,11.23, 11.31,AIX, Windows 2003/2008,VMware ESX 3.x,4.x.5.x

Hardware: SunFire E20K, Coolthreads Tseries (T1000/T2000), M8000/9000 Series, V 480/4800/3800/12 K Server, Sun Enterprise 6500/5000/450/420 R/250 Servers, SPARC server 1000/20, HP 9000 K,L,N class server, HP Proliant series IBM RS/6000, pSeries

Storage: SAN, EMC Symmetrix/Clariion, iSCSI, SNAP, NAS, HP P4500/p4800 Storage Subsyste, CommVault SimpaniWeb /Application Server Tomcat, Apache, WebSphere, WebLogic, SAP NetWeaver.

Cluster: - Veritas Cluster Server, Sun Cluster, Service Guard, IBM SVC

Languages: UNIX Shell Scripting, Perl, ksh, sh, J2EE, JAVA

Databases: Oracle8i/9i/10g, MS SQL 2000 and Sybase 11.9.2

PROFESSIONAL EXPERIENCE

Confidential, Detroit MI

Sr Unix System Administrator

Responsibilities:

• Installing, Configuring Redhat Linux 5/6 Suse Linux 11.x
• Maintaining system performance by performing system monitoring and analysis
• Configuring local and ISCSI disk devices LVM/VXVM
• Performing backups of data using netbackup
• Applying software updates and changing the configurations using HPSA tool
• Installing, configuring new hardware and software
• Configuring VCS service groups, resources
• Working with Account Management to configure PAM/Winbind/LDAP/Active Directory Creating VM account Management, Access Rights and set password and group configurations
• Managing swap configuration, CPU optimization, memory maintenance
• Scheduling Automated jobs for backups, refreshes and failover
• Configuring VCS service groups, resources
• Troubleshooting VCS engine startup, resources issues

Environment: HP P4800 Storage Subsystem, C7000 Enclosures, HP Proliant465c G7, HP P4500 Storage Subsystem, lsilon NL Storage Subsystem, CommVault Simphany

Confidential, Charlotte NC

Operating System Engineer

Responsibilities:

• Installing, Configuring Redhat Linux 5/6 and Solaris 10
• Setup of NIC (Bonding/IPMP) and Storage Multipathing (DM/MPXIO)
• Configuring HBA’s using native drivers and lputil
• Setting up OS mirroring using the tools (LVM/SVM/VXVM)
• Applying patches and new products using Novell-ZENworks agent, Yum and HPSA tool
• Setup disk Multipathing for new SAN disks and configuring disk groups and volumes
• Managing swap configuration, CPU optimization, memory maintenance
• Managing Samba and Apache WebServices
• Setting up DNS and DHCP network services
• Configuring NFS and Autofs network filesystems
• Configuring logical disk groups, Volumes and VXFS 5.1/6.0 Filesystems
• Installing and configuring Veritas Cluster Server VCS 5.1/6.0 configuring LLT/GAB communications
• Configuring VCS service groups, resources
• Troubleshooting VCS engine startup, resources issues
• Configuring and scanning new oracle ASM Disks
• Managing VMs using vCenter vSphere
• Using BMC Blade Logic automation tool to setup the multiple admin tasks
• Installing and managing software packages
• Utilizing HPSA, Remedy tools to setingup change, work order, Problem and incident tickets

Environment: M9000, M8000, M5000 and T-series servers, x86 Rack-Mount, HP P4800 Storage Subsystem, C7000 Enclosures, HP Proliant465c G7.

Confidential, Orlando FL

Linux / VMware Administrator

Responsibilities:

• Installing, Configuring and Upgrading Redhat Linux
• Installing, configuring and maintaining the VMware ESXi 4.1/5.0 and Upgradation
• Managing and Securing Virtual Center - vSphere
• Working with HP Server Automation for Patch management/Software installation
• Worked on Kernel Tuning and Logical Access
• Managing High Availability Solutions on HA, DRS
• Managing Volumes according to the requirement using LVM and Veritas
• Working with Account Management to configure PAM/Winbind/LDAP/Active Directory Creating VM account Management, Access Rights and set password and group configurations
• Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Checking the Virtual Center for tuning and Performance
• Updating YUM Repository and Redhat Package Manager (RPM).
• Working on Filesystem and Swap configurations
• Using BMC Blade Logic tool to automate the Server Administration Jobs
• Creating VM NICs, teaming and configuring VLAN PortGroups
• Configuring Virtual Switches and Physical Adapters
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations
• Monitoring Server Health, CPU Utilization, DiskSpace and various processes

Environment: HP P4800 Storage Subsystem, C7000 Enclosures, HP Proliant465c G7, HP P4500 Storage Subsystem, lsilon NL Storage Subsystem, CommVault Simphany

Confidential, Phoenix, AZ

Sr. Unix / Middleware Engineer

Responsibilities:

• Installation, Configuration and Upgrade of Solaris 8/9/10, Redhat Linux AS 4/5
• Installing, configuring and maintaining the VMware ESX 3.x / Virtual Center 2.x servers.
• Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server.
• Extensive experience with working on Solaris Volume Manager (SVM), creating meta devices, soft partitions, mirroring the devices.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Updating YUM Repository and Redhat Package Manager (RPM).
• Expertise in Configuring NFS, DHCP and DNS on servers.
• Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Kickstart process & performed Kickstart to install OS on Several workstations.
• Performed setting up Configuration Server and Boot Server for Jumpstart process and using tape-Recovery for file system recovery.
• Configuration of Zones/Containers in Solaris10.
• Disk mirroring and RAID (0/1/5) implementation using SVM/LVM/VxVM.
• Service management on Solaris 10 thru SMF (Service Management Facility) svcs, svcadm, svccfg etc.
• Installation, configuration and administration of Redhat Cluster Suite, Veritas cluster Server and HP Service Guard.
• Configure Web Logic, Websphere servers and APACHE and TOMCAT Server with JAVA Application tools on Red Hat and Hp UNIX servers environment.
• Scheduling of automatic repetitive Jobs, and Shell Scripts with Crontab.
• Participated in root-cause analysis of recurring issues, system backup and security setup, Worked in 24X7 support in Production and development environments.
• Trouble shooted various problems when working with Installing and configuring OS and network device remotely in various site.

Environment: SunFire E25k, V240, V880, Sun 6320, HP, IBM, Egenera and Dell Blade Servers Mseries 8000/9000, Tseries T 4000/ R, V490, E220R, V1280, V480, V440, Sun Fire 4800, V1280, E450, V215, V125, Sun Fire(X4200, X4600) AMD, Power edge(R900, 2950)

Confidential, Tampa FL

Unix- Application Support Engineer

Responsibilities:

• 24/7 technical support on production servers
• Performing administrative activities to support Solaris/Linux platforms in Production and Development environments
• Strong experience on Software Package Deployment
• Maintenance of Verizon’s outside network facilities Included work with Weblogic, WebSpher Application Servers
• Creating HTTPS s for global Security using IKeyman
• SSL certs, SSH Tunnels, Scripting with ksh, Perl
• Installing Release packages and SSI files and package notes
• Distributing of ssh pub keys across large sets of servers
• Experience on Loadbalancers and High availability Veritas Clusters
• Working on Shell Scripting, J2EE and JAVA to troubleshoot technical issues i.e Error Messages, software bugs
• Simplified and Increased performance of Application control scripts
• Troubleshooting of day to day system and user problems
• Analyzing, altering existing network to increase operational efficiency
• Supporting Linux experience with VMware and Storage
• Monitoring system performance and capacity working on reconfiguration

Environment: Sun sparc Enterprise T5240, Sun Fire E2900, Sun E10K, Sun F15K, Sun Fire V480 Server, Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, HP 9000

Confidential, Herndon VA

Systems Administrator

Responsibilities:

• Responding to tickets and provide timely resolution using Remedy
• Installing, configuring and Upgrade of HP-UX 11.11,11.31, Solaris 10, AIX 5.3, Red-hat
• Linux 4, 5 Operating systems & applying Patches, Packages and Vendor Products
• Installing and configuring Solaris Zones, Virtualization
• Creating and maintaining Solaris 10 ZFS and LDOM.
• Managing Solaris Volume Manager (SVM) and Solstice Disk Suite (SDS)
• Configuring RAIDs and Volumes
• Working on Shell Scripting, to troubleshoot technical issues i.e Error Messages, software bugs configuring User Security, Network and Filesystem Issues
• Managing Infrastructure enhancements on Development and Testing environments
• Configuring NIS, Samba, DNS and Syslog
• Setting Hardware configurations for M8000/9000 and Software upgrades
• Working on HP Enterprise Virtual Arrays for Storage
• Configuring High availability using Veritas Cluster Server and MC Serviceguard
• Working on Network devices, Cisco Routers, Switches and Pix firewall
• Maintaining Network conncetions between servers and Network devices and SAN Boxes
• Working on Sendmail
• Installing and configuring WebLogic, and WebSphere servers and deploying Web applications
• Working on Documentation on all applications
• Developing and scheduling Automated jobs for backups, refreshes and failover
• Working on AutoSys and scheduling automated jobs
• Defining threshold values for monitoring the metrics of the Application server environment
• Working on WinSql, running sql scripts, exporting data from source to target and HTML files

Environment: Solaris, HP-UX, AIX, Linux, Sybase, Sun Sparc Enterprise M8000/9000 Servers, Sun Fire E25k, V240, V880, Sun 6320, Sun 9985, HP Prolient, Itanium servers, IBM Regatta and P-series Cisco 6500, 3745 and Pix. Veritas 4.x products, Veritas Volume replicator

Confidential, Detroit MI

UNIX Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris 10, AIX, HP-UX and Linux and Oracle database. Installation of patches and packages
• Installation and Configuration of VERITAS Storage Foundation, for managing volumes and RAID levels
• Maintaining of VERITAS Cluster Server and HP service Guard for high available systems
• Creating Users, Groups. Writing Shell script to do automatic addition and removal of users and groups.
• Creating and maintaining Solaris 10 ZFS and LDOM.
• Managing File Systems per Database requirement
• Worked on Solaris 10 Container Technology. Created and maintained local zones
• Used Solaris 10 SMF utility to manage services in Solaris 10.
• Installed and monitored Virtual environments with ESX 3.X servers and VirtualCenter 2.X
• Worked and Scheduled Korn Shell scripting for automating jobs
• Disk and File System Management through VERITAS Volume Manager and SVM
• Cofigured Highend servers like Sun Sparc Enterprise M8000/9000
• Automated installation using jumpstart and ignite.
• Configuring Weblogic applications in Suse Linux enterprise 10
• Configuring load balancing on Apache WebServers for WebSphere application servers
• Installing and Configuring VMWare ESX servers 3.0
• Installing, Configuring and maintaining SAP ECC 6.0 Application servers
• Working on SAP Clients, Creating, Copying and Import and export.
• Configuring routes between clients and Implementing Transports
• Worked with SAP team to design SAP Landscape.
• Applying Support Packages and Patches on SAP Systems and Kernel Upgrades
• Installation and configuration of Netscape and Apache web server and Samba Server
• Writing Shell and Perl Scripting for automation of job.
• Involving in System build from the scratch with configuration of software and security remediation.

Environment: HP9000 / L2000 / RP5450, Proliant series, Itanium servers RP3440, RX46401, RP4440, Mseries 8000/9000, Tseries T 4000/ R, V490, E220R, V1280, V480, V440, Sun Fire 4800, V1280, E450, V215, V125, Sun Fire(X4200, X4600) AMD, Power edge(R900, 2950) Dell. Sun, HP and Dell Blade Servers

Confidential

System Administrator

Responsibilities:

• Worked on Operating Systems: Solaris 8, Red Hat Linux 4
• Worked on Cluster S/w: VERITAS Cluster Server 4.0/3.5/2, Sun Cluster 3.0/2.2, HP MC/ServiceGuard A 11.01/10.11
• Installing and trouble shooting of Custom Jumpstart services multiple servers
• Configuring NFS and Naming services NIS and DNS.
• Installing and Configuring SAP R/3 4.7 Enterprise.
• Configuring SAP Systems landscape and Client administration
• Applying Support Packages and Patches
• Setting up SAP Printers to end users
• Resolving day to day end user issues using ticketing tool Remedy
• Setting up and maintaining NFS, DNS (Master/Slave)
• Setting up NIS including configuration and trouble shooting of master, slave servers and set up of the clients
• Implementation of RAID techniques and the creation of Disk groups and volumes, plexes using VERITAS Volume Manager. Managing disks and file systems using VERITAS Volume Manager
• Configuring HA using VERITAS Cluster Server 3.0 for agents like NFS, Sendmail
• Performed custom Jumpstart to install Sun OS on multiple Sun Servers/workstations to simplify administration tasks
• Creating System Disk Partition, Mirroring root disk drive using VERITAS Volume Manager
• Troubleshooting Sun Solaris problems, logging call with Sun, Involvement in Racking servers.
• Interacting with various teams such Oracle database team, Run UNIX support team, Backup team.

Environment: Sun Solaris (2.7, 8, 9), AIX (4.2), HP-UX (11.0), Windows-2000/2003 Sun Ultra E 4800/3000/450/250 , Sun Fire 4800/3800, HP-9000, Proliant series, RS-6000, Veritas Foundation Suite