SUMMARY

• 8 years of experience in teh Information Technology industry as UNIX Professional with hands on experience in wide range of concepts and technologies.
• Worked extensively on different versions of UNIX including Solaris 8/9/10, RedHat Linux and IBM - AIX 4.3/5.1/5.2/5.3/6.1.
• Experience in enterprise-level systems and network design, implementation, integration and support.
• Highly experienced with Storage Administration like Confidential SAN Administration NetApp NAS Administration, Veritas NetBackup.
• Expertise in System administration of UNIX Server Systems in Production & Development (24x7) environment.
• Experience using VMware ESX server instances for virtual server setup and deployment.
• Proficient with user account maintenance, backup & recovery, Auto-mounting, License Management and Printer configuration.
• Experience in using SiteMinder, Introscope wily, and Event coordinator, ControlM GUI.
• Experience using diagnostic and debugging tools such as Dtrace, Strace, truss and Top.
• Setup Jcore fiber cards and Confidential storage for Oracle databases and Peoplesoft apps.
• Experience with various Veritas Tools such as Volume Manager and Veritas cluster servers.
• Configured TCP/ IP protocols like NIS, NFS, DNS, DHCP, LDAP, FTP, and SFTP, SSH etc.
• Experience in installation and configuration of web servers using MQ Series, iPlanet/Apache and middleware software such as WebLogic, WebSphere.
• Experience in implementing highly scalable, redundant and secure systems architecture including Cisco PIX Firewall, Network Appliance storage system and Sybase back end.
• Experience in writing Shell scripts using ksh, bash, perl, tk, and python for process automation of databases, applications, backup and scheduling.
• Installed, configuration and maintenance of Oracle database and Oracle Real Application Clusters (RAC) on Solaris.
• Experience in Sun Virtualization Technology (Containers, Zones, and LDOMS) to facilitate retirement of 250 antiquated servers.
• Administrated server consolidation program through use of VMware ESX server and VMware VirtualCenter.
• Installed, configured and supported Tripwire, Puppet and CFengine to identify any file systems differences on multiple servers.
• Experience in performing backup tapes using HP OmniBack software and StorageTEK Tape library.
• Proficient in configuring JumpStart and KickStart servers to initiate installation of Solaris and Red Hat Linux on several machines.
• Worked extensively on Confidential Symmetrix DMX, Clariion and populating LUNs on Solaris Servers.
• Experience in teh configuration of storage arrays like A5x00, D1000, T3 3510, 3511 etc.
• Proficient in tuning Oracle Database servers utilizing various database tools such as Platinum Technologies Desktop DBA, DBVision and Provision Suite for proactive monitoring of production systems.
• Performing DBA tasks such as creating users, roles, tables, tablespaces, imports and exports for development of database.
• Highly proficient in working of various mail servers and protocols such as sendmail, POP3, IMAP, SMTP and postfix.
• Experienced with other third party tools: BMC patrol KM, NDM, SAMBA, SSH, SEOS, Tivoli, CONTROL-M.
• Implemented several new service requests for business along with Operational support (BAU).
• Expertise in managing NetApp servers with multiple TB data storage.
• Enable cron jobs and scripts to automate tasks required for optimizing operations.
• Has good communication (verbal and written), analytical & problem solving skills, a committed team player as well as an independent worker, able to work with minimum supervision and to manage multiple tasks simultaneously.

TECHNICAL SKILLS

Platforms: Solaris - 8/9/10, LINUX - 4/5/6, IBM-AIX - 4.3/5.1/5.2/5.3/6.1.

Sun Fire Servers: E25k, E15k, 12k, E280R, E480R, V240, 420R, V440, V480, V490, V880, V890 and 4800

Data centre Servers: E250, E450, E3000 and E3500

Disk Arrays: Confidential DMX 800 and 1000, Sun StorEdge 3130, A1000/D1000.

Tape Libraries: Sun StorEdge L20/L40/L60, L180 and Storagetek’s 9840 A/B/C Fibrechannel

Backup Software’s: VeritasNetbackup 4.5, Solstice DiskSuite 4.1/4.2, MsBackup, Ufsdump, Ufsrestore, Sysback v4.2

Networking: TCP/IP, NFS, FTP, LAN, CISCO Routers 1600, 1700, 2500 Series, 2600 Series.

Naming Services: NIS, DNS.

Storage: Confidential Power Path 4.0, Veritas SAN Point Manager, IBM Tivoli, VVM 3.1/3.2/4.0, RAID Manager 6.22NetApp NAS, BMC Patrol

Scripting: UNIX Shell Scripting (ksh, sh, bash, Perl, Python)

Other: Lotus Domino 5 / 6, Apache 2.0, Weblogic 8.1, WebSphere, JBoss, IPlanet, IIS, HIS, ESX 2.5.2, 3.0 beta.

PROFESSIONAL EXPERIENCE

Confidential, Hightstown, NJ

Unix/Linux System Implementation Engineer

Responsibilities:

• Involved in consolidation and migration of Redhat and Debian Linux and Solaris Machines from one datacenter to other.
• Installing, upgrading, patching and configuring Solaris 8/9/10 and Linux 4/5/6, Jumpstart on Solaris and Kickstart on Linux.
• Configuring, administrating & troubleshooting of DG, Sub-disk and Volumes in various layouts (Raid0, 1, 0+1, 1+0, 5) & re-sizing of volumes under VxVM in production environment.
• Performing and upgrading on Linux and Solaris operating systems and hardware maintenance on servers like increasing memory, replacing failed disk.
• Involvements in teh maintenance of Servers back up and restoration using Confidential Avamar based on requirements, supporting and coordinating with teh onsite and offshore teams.
• Implementation of centralized user and network configuration management using NIS Server/Client configuration, DNS primary/secondary/client and SENDMAIL configuration and maintenance.
• Working on LAN/WAN, firewalls and Intranet connectivity using different protocols like TCP/IP, HTTP/s, FTP, SSH, SSHD.
• Solstice Disk Suite 4.2.1 & Solaris Volume Manager -- Configuration and administration of SDS SVM in production and development environment.
• Root mirroring under SDS, SVM, growing mirrored volumes by adding additional SAN disks and soft partitions from LUN by growfs.
• Allocating/Deallocating of Storage according to teh requirements using ESN Manager LUN/Meta mapping, implementing LUN security for teh Confidential Storage SAN.
• Administration and troubleshooting of Cluster nodes, removing and joining systems from teh active cluster; setting up and configuration of Service Group dependencies, start up and failover rules and policies, global parameters, heart beat timeouts.
• Experience performing physical-to-virtual (P2V) and Virtual-to-Virtual (V2V) migrations VMware virtual machines using VMware Converter and creating host and client VM templates and cloning.
• Configured NFS Servers, NIS+ Servers, NIS+ Clients, Diskless clients and Auto clients and auto mount teh Filesystems using direct and indirect maps.
• Configured volumes on Disks and Disk Arrays using various Storage and Unix LVM utilities.
• Installing and Administering Veritas Volume Manager 3.5 on Ultra Sparc E250, E450, Sun E3000 machines and configured RAID 0, RAID 1, RAID 0+1 and RAID 5. Managed Volumes and configuring RAID using Solaris Management Console (SMC).
• Configuring and installing Logical Domains (LDOM’s) and Zones for running applications in different zones in Solaris 10.
• Setup and configuring teh SAN Storage DS8300, DS4300, DS4800, Sun Storage Tek 6140 Array and providing support for multi-path Fiber Channel storage systems.
• Supporting teh SAN storage environments and Confidential SAN migration including Brocade switches, Confidential arrays, DS4300, DS4700 and Emulex HBAs.
• Extensively working on Remedy and SDM12 ticketing tool and providing 24/7 on call support for production environment.

Environment: Solaris 8/9/10, Redhat Linux 4/5/6, VMware vSphere, Logical Volume Management (LVM), VMware Standalone Converter 3.0, Confidential Storage SAN, Confidential Avamar 6/7, Veritas Cluster Server (VCS).

Confidential, Morrisville, NC

Unix/Technical Support Engineer

Responsibilities:

• Managing and administrating all UNIX servers, includes Linux and Solaris (SPARC) servers. We are in teh process of testing RedHat 6 in teh Lab.
• Applying patches regularly to meet audit requirements using SUN UCE (Update Connection Enterprise), RedHat Satellite server, YUM, Pkgadd, RPM tools.
• Maintaining Sun StorageTek SL8500 with 40 Tape Drives through sun enterprise library console and Virtual Operational Panel (VOP) 1.2.Upgraded firmware on Storagetek SL8500, Tape Drives
• Installed Emulex HBAs in production servers, extensively for Symantec Netbackup, this way we eliminated backup traffic from core Network.
• Built servers for Oracle environment and configured ASM disks as per DBA’s requirement. Migrated Sybase running on Solaris to Oracle Running on Linux.
• Planned and performed teh upgrades on Linux and Solaris operating systems and hardware maintenance on SUN servers like increasing memory, replacing failed disk.
• Worked with teh LAN/WAN, firewalls and Intranet connectivity using different protocols like TCP/IP, HTTP/s, FTP, SSH, SSHD.
• Initiated End of Life servers as per Oracle documentation and migrated teh server to new server and de-commissioned teh older server.
• Generating Network Profile Reports and Net Audits that detail teh network inventory and present Cisco hardware and software analyses.
• Collected and/or inventoried data from a customer network is securely transported back to Cisco by HTTPS, using teh Advanced Encryption Standard (AES)-128, which incorporates 128-bit encryption.
• Built servers using Jumpstart and Kickstart and configure hardware, peripherals, services, settings, directories, network, storage in accordance with standards and project/operational requirements
• Resolving critical problems, performing root cause analysis, document solutions and provide preventive Measures.
• Performing kernel and database configuration optimization such that it limits me/O resource utilization on disks.
• Implementation of centralized user and network configuration management using NIS Server/Client configuration, DNS primary/secondary/client configuration and maintenance.
• Installed, Configured Maintenance of netgroup file on NFS server for client access to NFS mount points
• Installation, Configured Samba, WebSphere, and Apache Servers on LINUX and Sun Servers.
• Experience in TCP/IP suite, administration, support, configuration of Cisco Routers and Switches with Routing, Switching, Administration & Management of Wireless, and Remote Access.
• System configuration and performance monitoring using nmon, top, netstat, nfsstat, traceroute, nslookup, tcpdump etc.
• Creating raw logical volumes for data files, redo-logs, mirror volumes, control files as per requirements.
• Tracking all Network elements discovered, added from seedfile using Cisco Network Collector (CNC).
• Tuning and Performance monitoring of Kernel parameters using tools like vmstat, mqstat and addressing swap issues.
• Installed and configured VMware ESX server instances for virtual server setup and deployment, which are SAN/NAS, connected.
• Working with Project Managers /Leads on multiple complex projects until Go live.

Environment: Sun Solaris 8,9,10, Red Hat Linux 4,5,6, Cisco Routers/Switches, Cisco Network Collector (CNC) 5, 6.3, VMWare ESX-3.5.

Confidential, Bloomington, IL

Unix/Linux System Administrator

Responsibilities:

• Installing, configuring and Maintenance of over 12,000 UNIX based servers of teh firm in various flavors like Solaris 8/9/10 (Sparc & x86), Red Hat Linux 4/5/6 & AIX 5.3/6.1 around teh globe.
• Involved in teh resolution for teh L2/L3 team, handling user requests and incident tickets based on criticality.
• Veritas Cluster administering various clusters topologies & trouble shooting failover and scalable service groups.
• VXVM Configuration, administration & troubleshooting of DG, Sub-disk, Plexes & volumes in various layouts (Raid0, 1, 0+1, 1+0, 5) & re-sizing of volumes under VXVM in production environment.
• Application of system patches on Live, production, and development systems based on requirements; management of user tickets related to restoration of data, service restart, expansion of file system and creation of accounts.
• Involvement in system performance and health check up through incidents, maintenance of ESX server, VMware clients, performance of root causes analysis in exigent situations.
• Solstice Disk Suite 4.2.1 & Solaris Volume Manager -- Configuration and administration of SDS SVM in production and development environment.
• Responsible for configuration of AIX servers, for maximum performance in a production environment, including kernel tuning and compiling, configuring systems with various Raid, Strip and Mirroring configurations.
• Root mirroring under SDS, SVM, growing mirrored volumes by adding additional SAN disks and soft partitions from LUN by growfs.
• Installation of Oracle 8i on Multi Node Systems. Utilize Tivoli Storage Manager (TSM) 5.22 to backup/restore internal servers.
• Recovery of faulted plexes, volumes to teh consistent state; assignment of Hot Spare disk to teh DG by enabling Hot Spare flag.
• Replacement of failed root disk, storage disks in teh production environment; recovery of removed DGs and data in production environment.
• Storage Allocating/Deallocating is done according to teh requirements using ESN Manager LUN/Meta mapping, implementing LUN security for teh Confidential Storage SAN.
• Working on monitoring tools like BMC Patrol, Site Manager to get maximized system performance and network utilization.
• Administration and troubleshooting of Cluster nodes, removing and joining systems from teh active cluster; setting up and configuration of Service Group dependencies, start up and failover rules and policies, global parameters, heart beat timeouts.
• Involvement in teh maintenance of SAN storage - back up and restoration based on developer requirements, support and coordinate with teh onsite and offshore teams.
• Experience performing physical-to-virtual (P2V) migrations VMware virtual machines using VMware Converter and creating host and client VM templates and cloning
• Used various commands to check teh Performance of teh system, load balances on teh CPU and memory.
• Configured NFS Servers, NIS+ Servers, NIS+ Clients, Diskless clients and Auto clients and auto mount teh filesystems using direct and indirect maps.
• Planned and performed teh upgrades to Linux (RHEL 4&5, SuSE9, Centra) OS and hardware maintenance like changing memory modules, disk devices & SCSI devices.
• Configuring and maintaining a Configuration Management system with regards to CFEngine.
• Performed installation/configuration of HACMP 5.2/5.3 with different RG configuration that includes 2/4/8/16 nodes cluster.
• Setting up entries in /etc/dfs/dfstab in Solaris share file systems and mounted teh disks onto teh client systems.
• Administration of Solaris10 system services through SMF by svcs, svcadm and inetadm; manipulation of legacy services lrc as per requirements by appending scripts under “/etc/rc#.d” directories.
• Enabling, disabling, recovering inetd based services through inetadm; placing system services in maintenance mode for clearing of error flags.
• Configure Winbind on all Linux workstations, which enables all teh Linux users to be authenticated on Windows 2000 Active Directory Server.
• Configured/Maintained/Troubleshooting teh Networking servers DNS, NIS, NIS+, NFS, Printer server and SENDMAIL; Implemented DNS by Using BIND software to resolve teh domain names.
• Configured Tivoli managed nodes and Sysback/6000 on RS/6000 servers and administered TSM for day-to-day scheduled tasks.
• Migrating various IBM P & me Series Servers to newer IBM Power6 servers using Virtual me/O (VIO) and SAN Volume Controller (SVC), Confidential Power Path for migrating Data and host based encryption including Dynamic Multipath (DMP).
• Installing and configuring HACMP and maintained J2EE IBM WebSphere and BEA WebLogic application servers.
• Utilize Hardware Management Console (HMC) to create redundant virtual me/O servers and assign shared resources to p550 logical partitions (LPAR).
• Installing and configuring of various software & tools, packages & patches, coordinated with vendors for hardware support.
• Involved and supporting 24/7 onsite & offshore teams, administration and management of projects based on description.

Environment: Sun Solaris 8/9/10, Redhat Linux 4/5/6, VxVM 4.1/5, VMware Standalone Converter 3.0, VCS, AIX 5.3/6.1, HMC, pSeries (p570, p550, etc), HACMP, Logical Volume Management (LVM).

Confidential, Richmond, VA

Unix/Linux System Administrator

Responsibilities:

• Installing, upgrading, patching and configuring SUN Solaris 8/9/10 and Linux 4/5 on Sun servers using Jumpstart Servers and on Linux Kickstart.
• Installing, configuring and maintaining AIX servers including teh Logical Partition (LPAR) on pSeries servers as required.
• Performed remote OSinstallations using IBM AIX (NIM) Network Management Installation utility.
• Performance Management & Tuned AIX tunables using vmstat, iostat, svmon, tprof, topas, vmtune, filemon.
• Configuring teh systems for TCP/IP Networking with teh existing Local Area Network. Setting up SSH and SCP features between SUN systems and other UNIX hosts.
• Created vmdisks, plexes, volumes using teh Volume Manager as per requirements and replaced failed disks using vxdiskadm.
• Used Veritas Volume Manager, Solaris Volume Manager, and VxFS for managing teh Storage for Mirroring, Stripping and Raid5.
• Creating vmdisks, plexes, volumes using teh Volume Manager as per requirements and replaced failed disks using vxdiskadm.
• Experienced in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager.
• File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Implementation of clustering and Load balancing solution utilizing Network Foundry’s ServerIron, F5 Network BIGIP.
• Configured Lightweight Directory Access Protocol (LDAP) clients on server test and troubleshoot for maintaining network and data security. Installed and configured Lotus Domino 6.5.2 Server on SUSE Linux 8.0.
• Perform SAN migration on 60+ Database servers from DS8300 to NetApp disks storage.
• Experience in creating standard LPAR, VIO server and VIO clients using HMC on p5 servers.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.
• Installation and providing support for Autosys on UNIX servers and troubleshooting NFS & Automount issues.
• Responsible for patches for teh operating system, building startup shell scripts, managing teh automation of CRON jobs and managing file systems.
• Automation with config management (svn, puppet) and database to automate teh system deployment/maintenance on Linux.
• Extensively worked with monitoring tools like Nagios, Dtrace to get maximized system performance and network utilization.
• Configure and maintain Windows 2000 Server that runs DNS, DHCP and active directory services
• Setup and Configured IBM AIX HACMP for migrating HACMP5.2 to 5.4 and General Parallel File System (GPFS) on pSeries servers.
• Worked with Oracle team to install/restore oracle 10g instances and built teh Oracle RAC in production and test environments and configured Oracle Database with Oracle Internet Directory, SQL Servers and PeopleSoft.
• Creation and configuration of Logical Hardware Management Console (HMC) and Integrated Virtualization Manager (IVM).
• Installed and Administered Veritas volume manager 3.5 on Ultra Sparc E250, E450, Sun E3000 machines and configured RAID 0, RAID 1, RAID 0+1 and RAID 5. Managed Volumes and configuring RAID using Solaris Management Console (SMC).
• Configured volumes on Disks and Disk Arrays using various Storage and Unix LVM utilities.
• Configured, maintained SUN Enterprise/Linux servers and peripherals and ensured continuous production system availability.
• Supported Solaris/Linux, which consisted teh number of CPU's, memory and me/O devices for mass storage and networking.
• Extensively worked with ticketing system and provided 24/7 on call support for production.

Environment: Solaris 9/10, Linux 4/5, AIX 5.3/6.1, Veritas Volume Manager (VxVM) 4.1/5.1, Veritas Cluster Server (VCS).

Confidential, Tampa, Florida

Unix/Linux System Administrator

Responsibilities:

• Installed and configured RedHat Linux (5.x), Solaris8/9/10(SPARC & X86), AIX 4.3/5.1/5.2/5.3/6.1 on AIX RS6k platforms, pSeries and BladeCenter and maintain upgrade packages, monitoring and analyze performance running with Oracle 10/11g database servers.
• Host Integration of Symmetrix and Clariion with Solaris, Linux, VMware ESX and Data Migration on Symmetrix DMX/VMAX.
• Configured LDAP clients on server test and troubleshoot for maintaining network and data security.
• Configured Jumpstart server for Solaris 10, Kickstart server for red Hat Linux, NIM for AIX and performed image installations through Network.
• Installing, configuring and maintaining AIX/Linux servers including teh Logical Partition (LPAR) on pSeries servers as required.
• Extensively used RPM RedHat Linux tools to install packages and patches for RedHat Linux server and Vir-Install, Vir-manager to install and manage teh Virtualized OS.
• Used Confidential Solutions Enabler APIs for teh storage interfaces that provide an access mechanism for managing Symmetrix third-party storage, switches, and host storage resources.
• Sun Cluster to VCS Migration - Migration of Cluster infrastructures from Sun to VERITAS (VCS / VxVM / VxFS)
• Administered server consolidation program using VMware ESX server and VMware Virtual Center, using Virtual Center, ESX, creating VM's, using/building VM templates and customization files and scheduling task.
• Confidential Storage Testing - Document/test Confidential Symmetrix 8830/CX600/DMX800 Performance and Unix interoperability.
• Installed and configured Oracle 10g and 11g Real Application Cluster (RAC).
• Managed Storage Connectivity for Solaris systems - Software/Hardware used in connecting to SAN fabric, development of scripts to populate sd.conf and verify DMP connectivity, HBA logging, etc.
• Extensive use of Logical Volume Management (LVM), creating Volume Groups, Logical volumes and disk mirroring for Linux/AIX.
• Troubleshooting teh network and Domain Name System (DNS) issues and taking care of VERITAS Netbackup server and client connectivity problems and Sun server consolidation via virtualization (LDOMs and Containers).
• Installed and configured WPARs Manager and agent to prevent memory and migration Manager Database from Apache to DB2.
• Installing, configuring and maintaining AIX/Linux servers including teh Logical Partition (LPAR) on pSeries servers as required.
• Developed automated scripts/system monitoring tools/testing tools using shell and Perl Scripting.
• Setup and configured teh SAN Storage DS8300, DS4300, DS4800, Sun Storage Tek 6140 Array, provided support for multi-path Fiber Channel storage systems.
• Set up Tivoli Storage Manager (TSM) for backup automation with policies configuration for Web based databases, setup consisted of server and client backup with progressive backup methodology.
• Configured teh cluster resources and provisioned Tape backups using Veritas Netbackup that includes Fiber zoning for media servers and Tape drivers, configuration of Storage units.
• Migrating various IBM P & me Series Servers to newer IBM Power6 servers using Virtual me/O (VIO) and SAN Volume Controller (SVC), Confidential Power Path for migrating Data and host based encryption including Dynamic Multipath (DMP).
• Administered Linux servers for several functions including managing Apace/Tomcat server, mail server, SQL database and firewalls in both development and production.
• Deployed and monitor HA environment applications utilizing VERITAS Cluster Services and Linux Cluster.
• Install/configure new servers on Netbackup Master Servers; implementing of hardware and OS failures, system dump analysis.
• Setup and configured teh SAN Storage DS8300, DS4300, DS4800, Sun StorageTek 5320 NAS Gateway, provided support for multi-path Fiber Channel storage systems, as well as Solaris servers configured with multiple Fiber Channel (FC) Emulex Host Bus Adapters (HBA) on (SAN).
• Extensively worked with ticketing system and provided 24/7 on call support for production.

Environment: Solaris 9/10, AIX 5.3/6.1, Oracle 10/11, Logical Volume Management (LVM), VERITAS Cluster Server (VCS), Web logic 8.1, Oracle e-business suite, IBM SAN storage, LDAP, VMWare ESX-3.5.

Confidential, Piscataway, NJ

Unix/Linux System Administrator

Responsibilities:

• Experienced in redefining volume groups, migrating, mirroring logical volume using VERITAS VOLUME MANAGER and SDS.
• Installed & configured containers, zones with in teh SUN Solaris 10 Zetta Byte File System (ZFS). Used teh Solaris 10 Service Management Facility (SMF) to simplify management of various system services.
• Configuring teh systems for TCP/IP Networking with teh existing Local Area Network. Setting up SSH and SCP features between SUN systems and other UNIX hosts.
• Extensively used glance, top, ifconfig, netstat, nfsstat, ndd, traceroute, Siteminder, nslookup, tcpdump etc. for System configuration and performance monitoring.
• Configured Ethernet VLANs with RS/6000 IBM Servers, Cisco Routers (1741/3745 series) and Cisco Switches (Catalyst 2912) utilizing RJ45 CAT5 cables for teh internal LAN, and a T1 fiber uplink across a Cisco backbone for connection on teh WAN.
• Using Veritas Volume Manager for Backup and Restore from SCSI Hard Drives on Clariion CX200 and Tape Drives using various policies like daily, incremental and differential backup.
• Used Cascaded SRDF (Symmetrix Remote Data Facility) for extended distance replication, using a dual role SRDF R2/R1 (R21) device that can act an as R2 and R1 at teh same time.
• Supported teh SAN storage environments including Brocade switches, Confidential arrays, DS4300, DS4700 and Emulex HBAs.
• Failover/Pre-Failback and verification of teh same incase of outage in teh high environment using VCS (Veritas Cluster Server).
• Configure IBM DS4000 storage, configure arrays and created logical drives and mapped with teh AIX hosts.
• Created vmdisks, plexes, volumes using teh Volume Manager as per requirements and replaced failed disks using vxdiskadm.
• Wrote shell script to setup cron job for backup of databases and crucial system tables, nightly batch jobs for data transfer.
• Upgrades, patches and OS installation using Jumpstart for SUN Solaris and Kickstart for Linux.
• Installed and configured VMware ESX server and SUN VirtualBox to allow virtualization of a physical server to virtual servers that provide running multiple Operating Systems on a single server in a data-center environment for dramatic reduction in costs.
• Worked on Linux (Red Hat/SUSE 9) in conjunction with Solaris 8, Apache 2.0 web servers and an Oracle 9 database.
• Automated tasks by writing Bash/C/Korn/PHP/Python and Perl shell scripts to simplify various UNIX and Linux environments.
• Configured and installed Logical Domains (LDOMs) and Zones for running applications in different zones in Solaris 10.
• Configured a Jumpstart server by editing teh sysidcfg, rules and profile files and establishing Jumpstart software alternatives troubleshooting and resolving problems.
• Storage migration from Hps Storage Works to EMCs DMX 1000 and 2000 storage and OmniBack/Hitachi 9500 series storages.
• Installation and providing support for Autosys on UNIX servers and troubleshooting NFS & Automount issues.
• Support/Install/Upgrade TSM, monitoring datacenter backups and troubleshooting backup errors.
• Installation, configuration and troubleshooting Weblogic, NetApp, Clearcase, Apache Tomcat.
• Writing and modifying shell scripts (Ksh, tk, Jython, Perl) to perform automated administration tasks.
• Installed and configured domain wide mail systems utilizing Postfix with multi subnet and a single relay host for internal mail forwarding, all external mails were handled by Sendmail and SMTP.

Environment: Sun Solaris 10/9/8, Linux 5/4/3, Oracle 10g, SUN Servers, SUN Fires, Linux and Jump Start, Fujitsu Prime power servers, Veritas Volume Manager (VxVM), LDAP, Confidential Storage SAN, Veritas Cluster Server (VCS), VMWare servers, Weblogic and Apache, Clariion CX200.

Confidential

Unix/Linux System Administrator

Responsibilities:

• Responsible for implementation, integration, problem resolution, root cause analysis, quality assurance, disaster recovery, audits, hardware/software OS and application maintenance, performance tuning, upgrades, OS backups, migrations, adding/removing users, printers, space management, and all other daily system administration functions.
• Sole system administrator onsite and on call from conversion and start up administering 8 AIX RS6000 (H50 & R50), 24 SUN Solaris, and 2 Fedora LINUX servers running teh PA Lottery with a base of approximately 7,500 terminals.
• Maintained disk space, performed backups, and ensured archive log processing for teh Oracle DB.
• Implemented and configured Tivoli Maestro and Netview to proactively monitor teh enterprise network for file space, file size, critical processes, system availability and central view of potential problems and alerts for operations.
• Utilizing Solarwinds to maximize network throughput, when downloading to field terminals; minimizing download times during upgrades without causing network saturation.
• Created/Administrated Zones/Containers in Solaris 10 and implemented security to Zones.
• Worked with McData San Navigator to zone Confidential, Hitachi and IBM DS8300 Storage Arrays
• Creating Jumpstart image for Solaris 9 and 10 and configuring new Linux servers.
• Experienced in redefining volume groups, migrating, mirroring logical volume using VERITAS VOLUME MANAGER.
• Upgrading of multiple critical NT4 member servers using ESX server and P2V to prevent downtime and production outage.
• Installed and configured Oracle 10g multi partition non-RAC installation running on a single E10K with Veritas Volume Manager.
• Performed SAN switch migration from Cisco Switch to Brocade.
• Used performance-monitoring tools such as BaseBoard Management Controller (BMC) tools, RPM to enhance system.
• Installed, configured and supported Citrix Metaframe XP/Presentation Server's within a Citrix Server Farm. Configured, tested and deployed a production Citrix Nfuse Web Interface Server within teh Citrix Server Farm.
• Performing Testing and verifications of systems, network connectivity and functionality prior to being released into production. Production level support to CVS (Concurrent Versions System) servers which hosts Sun ONE product codes.
• Monitoring teh server performance using Nagios and configuration and troubleshooting LAN and TCP/IP issues and Weblogic.

Environment: SUN Solaris 8/9, Sun Sparc, Fedora LINUX servers, AIX RS6000 (H50 & R50), Tivoli Maestro, Kick Start, WeblogicNetview, Solarwinds, Point-to-Point T1, Nagios, VSAT, Cisco PIX, Astaro firewalls, SSH, AIX and Oracle 9i DB.