Manager System

Rajesh Yellelli

******.********@*****.*** 612-***-****(Cell)

***************@***.*** 973-***-**** (Work)

612-***-**** (Home)

________________________________________

Summary

• Over 12+ years of IT experience as Unix System Administrator in a diverse, Distributed and Networked Multi platform environment containing various desktop and server systems

• Extensive experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting on different UNIX platforms like Sun Solaris, Red Hat Linux, SuSE Linux, HP-UX, AIX system software and hardware

• Providing System Support for various 24/7 Production, Test and Development environments

• Experience in Installing, upgrading and configuring of SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart automatic installation and expertise in installing, configuring & administering RHEL 3/4/5 AS/ES and SuSE Linux OS on Dell/HP and Mainframe Hardware using kickstart

• Install, setup, and utilize the Jumpstart server over WAN Boot Installation for OS provisioning of Solaris.

• Installation and administration of SUN High End servers including like Enterprise T5240, Midrange M4000, M5000, SF15K, SF12K, E10K

• Installation and administration of SUN Mid range Servers including like E6500, SF 6800, E4500, E3500

• Zone management including global zone creation, non global zone creation, configure zone into network, adding resources to zones for Solaris 10

• Experience in building solaris virtualization of zones and LDOMs

• Expertise in Volume Manager, Veritas Clustering,and Veritas Replication

• Configuring EMC Clarion/Symmetrix DMX, Hitachi SAN devices on Solaris/Linux/AIX servers.

• Experience in Setup and configure of Veritas Volume manager/Solaris Disk Suite and Veritas Cluster server for High Availability to support Oracle/DB2/Sybase Databases

• Configuring and Administering NFS, DNS, NIS, NIS+ and LDAP

• Design and implementation of OS patching on Solaris servers using BladeLogic

• Installation of software tools like Autosys, DPA agent, networker using BaldeLogic across all Solaris and Linux servers in the environment.

• Design and implementation of Complex automation tasks on all Solaris and Linux servers in the environment using BladeLogic

• Provided incident report and root cause analysis.

• Worked closely with vendors and Database services team, and application support team to take proper corrective measure to prevent repeated systems failure or performance problems

• Write shell/Perl scripts to customize any customer specific application requirement and to automate administrator tasks

• Experience in configuring and maintaining SSO siteminder, JBoss, WebSphere, Weblogic, Apache, iPlanet, SunOne and web/app/database servers

• Experienced in Documentation on client’s requirements and System Specifications

• Experienced with remedy ticketing system and change management process

Technical Expertise

Operating Systems: Sun Solaris 2.6/2.8/2.9/2.10, Red Hat Linux AS

3/4/5, AIX 4.3.3/5.2/5.3,HP-UX 10/11, SUSE

Software Packages: Veritas Volume Manager (VxVM) 3.x/4.1/5.0/5.1

VERITAS File System (VxFS) 3.x/4.1/5.0/5.1

VERITAS Cluster Server (VCS), VERITAS Cluster

Server (VCS), Veritas Volume Replicator

4.1, Solstice Disk Suite (ODS) 4.2.1, Solaris

Volume Manager, Autosys 4.5, Coldfusion MX 7.0

Hardware Platform: Sun Fire – T2000, T5000, V240, V440, V880,

V490, V890

Sun Enterprise – M4000, M5000, M8000, E250,

E450, E300, E2900, E3500, E4900, E6500, E10K,

E15K, E25K

Intel: Dell Poweredge series, HP Proliant GL585

G2 Series

Storage: SAN – EMC CLARiiON CX3, Hitachi HDS/

9200, Sun 3500, A5200, FLEX-210, D1000,

cisco MDS Switches, Storagetek Tape Library

SAN Tools: ECC agent, Navisphere, Navi CLI, SANtricity, Hitachi Resource Mgr

Protocol/services: NFS, NIS, NTP, DNS, LDAP, Sendmail, FTP, TFTP, BOOTP, DHCP, SNMP, HTTP

Database: Oracle 7.x/8.x/9.x, 10g, Mysql 4.1, 5

Application Servers: IBM WebSphere 3.5/4.0/5.0/5.1, BEA Web logic 5.1/6.0/8.1 SP1, iPlanet Enterprise edition 6.0, IBM MQ manager, JBoss

Web Servers: iPlanet Enterprise edition 6.0, Apache servers 3.0, SunOne

EMC Storage Tools: EMC Power Path 4.3/5.1, EMC Time Finder

Storage Platforms: EMC Clariion FC 4700, EMC Symmetrix, IP 4500 and Sun-T3 Storage

Security Tools: Checkpoint Firewall - 1, VPN, SSH (Secure Shell Host)

Backup Tools: Veritas NetBackup 4.0/5.0/6.0, Legato Networker 6.0.3 & 6.1

Scripting Languages: Shell Programming, PERL, TCL/TK, SQL and PL/SQL

Professional Experience:

American International Group Global Services, NJ

Sr. UNIX administrator Sep, 2009 - Current

American International Group, Inc. (AIG), world leaders in insurance and financial services, is the leading international insurance organization with operations in more than 130 countries and jurisdictions. AIG companies serve commercial, institutional and individual customers through the most extensive worldwide property-casualty and life insurance networks of any insurer. AIG's common stock is listed in the U.S. on the New York Stock Exchange as well as the stock exchanges in London, Paris, Switzerland and Tokyo.

Responsibilities

• Installing, upgrading and configuring of SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart automatic installation

• Configuring and maintaining VERITAS and SUN cluster environments.

• Managed high available database and web application infrastructure servers on VERITAS cluster running Solaris 10 zones as service groups on M5000, T5240 hardware. Clusters comprised of four, six and nine node configurations shared by multi database instances which spanned across multi terabyte storage subsystems.

• Responsible for configuring/creating resources for new databases/applications under VERITAS cluster 4.1, 5.0, 5.1 and Sun cluster 3.2 on Solaris 10 and SUSE Linux environment.

• Responsible for supporting 24x7 of 1600+ servers including Solaris and Linux on rotational basis

• Design and implementation of OS patching on Solaris servers using BladeLogic

• Configuring and Administering NFS, DNS, NIS, NIS+ and LDAP

• Installation of software tools like Autosys, DPA agent, networker using BaldeLogic across all Solaris and Linux servers in the environment.

• Design and implementation of Complex automation tasks on all Solaris and Linux servers in the environment using BladeLogic

• Live upgrade from Solaris 8 OS to Solaris 9 OS

• Migration from Solaris 8 OS to Solaris 10 OS.

• Migration from Solaris 9 OS to Solaris 10 OS

• Implemented LDOMS on QA & development servers; Analyze necessary patches through “smpatch”

• Worked on setting up Live migration of LDOMs between SUN T3-2 hardware

• Worked on migrating physical servers to LDOM virtual servers and zones

• Creation of ZFS file system using zpools, set up quotas in zpools

• Performed firmware upgrade on T5240, SUN 4800 and 6800 system controllers

• Dynamic Reconfiguration in Sun High-End Servers 15K, 6800 and 6900

• Proficient in performance monitoring and tuning in Sun SPARC Systems

• Handling CPU panic, memory problems and other hardware failures with coordination of vendors

• Working with Remedy (AR) / Service Now ticketing system for trouble ticketing & change control system.

• On call SA responsibilities every week on rotation in the group.

• SAN allocation on standalone / clustered servers

• Mirroring of root disks using Sun Volume Manager

• Maintained patches and updates for the Linux distributions used by all of campus

• Configured new file system using LVM on Linux servers

• VERITAS Upgrade from 3.2/3.4/4.0/4.1 to VERITAS 5.0 and 5.1

• Assist in Disaster recovery projects for Solaris and Linux environments to perform testing on various applications.

• Able to work with VERITAS Volume, File system & Cluster services via the CLI.

• Disks are managed using VERITAS Volume Manager / Solaris Volume Manager.

• Write shell scripts to customize any customer specific application requirement.

• Installation of Autosys 4.5 / Oracle 9.2.0 on Solaris 2.8/2.10 OS servers.

ENVIRONMENT: Sun T5240, Enterprise M5000, Sun Enterprise 420R, 450, V490, 3500, 4500, 6800, 8800, 15K, Solaris 8, 9 and 10, LDOM 2.1, VERITAS 3.5, 4.1, 5.0, VERITAS cluster 4.1, 5.0, IBM P570, 550 with AIX 5.2 and 5.3,Linux,Autosys, Legato storage manager, SUSE linux 9/10, Oracle 9i/10g, DB2, Sybase, Sun disk arrays, HP DL385, DL 585

McGraw-Hill/Standard and Poor’s Financials, NY

Sr. UNIX administrator Feb, 2008 – Aug, 2009

McGraw-Hill Education addresses virtually every aspect of the education market from pre-K through professional learning. Leading provider of reference and trade publishing for the medical, business, engineering and other professions. Standard & Poor's is the world's leading provider of independent investment research, indexes and ratings. Their widely recognized investment data and analysis are used around the world by financial decision-makers to help create growth and manage wealth.S&P 1200, the premier global equity performance benchmark; the S&P 500, the premier U.S. portfolio index; and credit ratings on more than 220,000 securities and funds worldwide. The businesses include credit market services and investment services.

Responsibilities

• Day to day administration of the Production, Development and Test Environment Systems. Administered all SUN Unix servers, TCP/IP networking, and EMC SAN connectivity from UNIX servers

• Responsible for providing support for 300+ Sun Microsystems hardware ranging from T2000’s to E25K domains running Oracle RAC Clustering that uses Veritas VCS

• Installed and Upgraded Redhat Linux using Kickstart on RHEL 3/4/5 OS AS/ES and Actively monitoring and analyzing the server performance statistics (CPU, Memory I/O) and forecasting the future requirements using sitescope and Teamquest

• Worked on DELL Poweredge series/HP Proliant DL 585 G2 Server hardware with Red hat Linux OS 4 update 5

• Installed Proliant Support Pack 8.0 to check the hardware diagnostics on HP Proliant hardware.

• Configured System Management Homepage (SMH) using ports 2381 which enables web GUI for HP Proliant DL585 G2 server system information

• Worked with Smart Start for hardware diagnostics on HP Proliant hardware.

• Configured netdump server and netdump client to gather core dump of the server on RedHat Linux servers for the crash analysis

• Created SRL volumes on VERITAS Volume Replicator 4.1 on RHEL 4 OS

• Live Upgrade of RHEL 3 OS to RHEL 4 OS

• Configured hangwatch to verify higher load indications issue on Redhat Linux servers

• Using VERITAS Volume Replicator Syncing the data volumes to the DR site on RHEL 4 OS

• Created SRL volumes on VERITAS Volume Replicator 4.1 on RHEL 4 OS

• Live Upgrade of RHEL 3 OS to RHEL 4 OS

• Performance Tuning of Server and application & tuning kernel parameters, add additional swap

• Configured Solaris10 Zones, ZFS Filesystems

• Creation, management and capacity planning of disk partitions using Veritas Volume Manager and Solaris Volume Manager

• Designed, configured, and implemented a custom Solaris JumpStart environment capable of jumpstarting Solaris 8/9/10 systems, providing a baseline configuration on all servers and allowing custom configurations

• Veritas Volume Manager including boot disk encapsulation, mirroring, RAID creation, Resizing volumes, replacing failed drives, DMP, Disk Suite mirroring.

• Provided 24x7 support to SUN SMC monitored systems

• Used liveupgrade to create to alternate boot environments

• Wrote shell scripts to rotate the web server log files and automate the transfer of these files using ftp.

• Installed and configured Veritas Cluster Server, Oracle, Siebel agents to provide high availability. Responded to unplanned system failovers within a production VCS environment

• Actively involved in data center re-engineering for the server consolidation and adding the new hardware to meet the growing capacity requirements

• Worked on large scale Data Center Migration Project from Hightstown location to East Windsor Data Center

• Veritas Foundation Suite upgrade from 3.5/4.0 to 5.0

• Installed, configured and administered web and app servers (Apache, Tomcat, Weblogic, Jboss)

• Implemented system security and OS hardening

• Monitoring applications and devices using Sitecope monitoring tools

• Managed Storage using Solstice Disk Suite, Veritas Volume Manager, Veritas Files System, Red Hat Logical Volume Manager

• Managed Backups, Restores, and Backup Policies using Veritas Netbackup with DLT tape libraries

• Supported and administered Apache web server, Tomcat/Weblogic, Proxy servers.

• Configured EMC Clarion/Symmetrix DMX, Hitachi SAN devices on Solaris/Linux servers

• Installed SOS package and configured the SOSreport to collect information about kernel, drivers on server.

• Write shell/Perl scripts to automate the server processes and customer specific application

• Registered the new server hardware under Red hat network for support and download software.

• Install of sysreport and get the sysreport utility output to the Red hat for investigation.

• Implemented LDOMS on QA and development servers.

• Analyze necessary patches through smpatch analyze

Environment: Solaris 8/9/10, RHEL 3 / 4,AIX 4.3.3/5.2/5.3, Oracle 10g, DB2, Sybase, VxVM 4.1, VCS 4.1 ,VXFS 4.1 mp2,VVR 4.1, EMC Symmetrix DMX 3/4, EMC power path 5.1, Sun Fire T2000 ,420R, 450, V490, 3500, 4500, 6500,E6800, E10K, 15K/25K,Sun Sparc Enterprise M4000,M5000,M8000,IBM pSeries 570/590, RS/6000, Dell Power Edge Series , HP Proliant DL 585 Series

American Express, Minneapolis

(Thru IBM Global Services)

Sr. UNIX administrator (Level 2 Support) Oct, 2004 – Jan, 2008

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• American Express Company is a diversified worldwide travel and financial services company. It is a global payments, network and travel services provider and international banking company. American Express operates in over 130 countries around the globe. It is a world leader in providing charge and credit cards to consumers, small businesses and corporations. It is the world's largest travel agency, offering travel and related consulting services to individuals and corporations around the world.

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•

• Responsibilities:

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• Provided 24/7 infrastructure and application support for American Express SSO web application

• Worked on configuring siteminder on SSO servers

• Configured SunONE/Netscape instances on web servers for SSO application

• Upgraded the OBP firmware to 4.27.4 from the system controller on Sun Fire T2000

• Implemented RAID-1 through native T2000 RAID software

• Applied DST patching for all SUN, IBM-AIX

• Worked on live upgrade from Solaris 8 OS to Solaris 9/10 OS

• Write shell scripts to customize any customer specific application requirement

• Configure and maintain Netscape, SunONE, iPlanet web servers

• Deployed the applications on middleware websphere servers

• Setup and Configure Cluster Nodes for High Availability of Applications on database and application servers

• Veritas Upgrade from 3.2/3.4/4.0 to Veritas 4.1

• Analyze the patch levels using “smpatch” in Solaris 10 OS

• Configured global and non-global zones in Solaris 10 environment

• Installing the O.S. using Jumpstart-Automatic installation

• Configured 2 and 4 node Cluster Nodes from the scratch for High Availability of Applications.

• Configured Volumes for redundancy using Veritas Volume Manager.

• Worked on configuring and troubleshooting Veritas Replication to replicate the data between Production database servers to DR servers

• Configured EMC Clarion/Symmetrix DMX, Hitachi SAN devices on Solaris/Linux servers

• Performance Tuning of Server and application & tuning kernel parameters, add

• additional swap.

• Automate the administrative tasks by writing shell scripts to any customer specific application requirement.

• Used monitoring tools like top, sar, vmstat, for tuning the systems for maximum

• Efficiency.

• Installed recommended security patches.

• Back-ups are automated on for each data-center, incremental and full backups were

• taken.

• Building a Server from the Scratch, File system mgmt, backups, user administration

• Configure and troubleshoot the NFS & NIS environment

Environment: Sun Solaris 8/9/10 RHEL Linux 3/4 , AIX 5.2, Sun Ultra 5,10, Sun Enterprise 420R, 450, 3500, 4500, 6500, 10K, Sun Fire T2000, V240, V440, V480, V880, 10K, 15K, SunONE, iplanet web server, IBM Websphere, MQ series, HP N-class & D-Class servers, IBM pSeries 610,690 servers, Veritas volume manager, Veritas Cluster Server, Oracle 10g, EMC Symmetrix, EMC-Clariion

Dendrite International, NJ

UNIX System Administrator Sep 2002-Aug 2004

• Dendrite develops and delivers knowledge-based, technology-driven solutions that increase the productivity of sales, marketing, and clinical processes for pharmaceutical and other life science clients. Dendrite has Fortune 500 customers like Abbott Laboratories, Aventis Pharmaceuticals, Novartis, Bertex, Johnson & Johnson, Forest Labs to name a few of them and around 400 customers in total.

Responsibilites:

• Working as a Unix system in diverse, Distributed and Networked Multi platform environment

• Based on the service level, we upgrade software and hardware in existing systems. Duties also include proposing a kick-off meeting with the customer tech contact discuss the configuration and performance needed for their server, finalize a check list of the web server, jumpstart the server with OS (Solaris or HP) in the respective data-center. Implement RAID 0 1,or 5 layout as per customer’s request.

• Configure various applications and products on a wide range of Sun servers which includes Sun Enterprise 450,420R, 3500, 4500,6500 and Sun Enterprise 10000, HP N Class and D Class servers, IBM pSeries 610,690 servers, Sun Storage servers A1000, D1000, A5x00 and EMC Symmetrix, EMC Clariion

• Setup and configure 2 nodes Veritas Cluster server for High Availability to support Oracle Database, with EMC Symmetrix and EMC Clariion as storage devices. Disk volumes were managed through Veritas Volume Manager.

• Setup and Configure 2 node Sun Cluster server with Sun T-3 Storage devices

• Configure groups and users; enable high-end security based secure-ids for all users to log onto the Servers

• Finally, perform the self-acceptance test and send the ticket to Q/A for acceptance test, upon passing the acceptance test, call the customer with the new server information and close the ticket

• Write shell scripts to customize any customer specific application requirement

• Tune the systems for maximum efficiency using various monitoring tools like top, sar, vmstat, HP OpenView Glance Plus

• Configure and maintain Checkpoint Firewall for secure access

• Add recommended and security patch clusters

• All the back-ups are automated on Legato Networker for each data-center, incremental and full backups were taken

• The job includes, building a world-class server from the scratch precisely. Good understanding of stand-alone installation, file system management, backups, process control, user administration and device management. Sun workstations in a networked environment, installing and maintaining Sun systems, configure and troubleshoot the network file system (NFS) environment, configuring the network information service (NIS) environment, and adding diskless clients

Environment: Sun Solaris 2.7,8, Linux, AIX, Sun Ultra 5,10, Sun Enterprise 420R, 450, 3500, 4500, 6500, iplanet web server, BEA Weblogic, HP N-class & D-Class servers, IBM pSeries 610,690 servers, Veritas volume manager, Veritas Cluster Server, Oracle 8i, Legato Networker, EMC Symmetrix, EMC-Clariion, SUN-T3, Checkpoint Firewall

Texas Instruments, Malaysia

System Administrator Sep 2000- Jul 2002

Texas Instruments Incorporated is the world leader in digital signal processing and analog technologies, the semiconductor engines of the Internet age. TI is a leader in the real-time technologies that help people communicate

Responsibilities:

• Working as a Unix in a diverse, Distributed and Networked Multi platform environment containing various desktop and server systems

• Administered various Unix platforms like Solaris, HP-UX and AIX

• Maintaining, applying changes and fail-over schedules of HA servers

• Building New Servers, loading OS, applications, Configuring NIS, creating Veritas file systems

• Installing and maintaining Oracle Database and file systems required

• Backups taken on regular basis, full and incremental using Veritas Netbackup, with DLT tape libraries

• Monitoring Change Control tickets, solving problems and clearing the ticket or reassigning to concerned persons

• Write shell scripts for any customization

• Resolving the Services on-line Tickets, those are generally user requests for various installations or moving etc

• Hardware included Sun Enterprise10000, 6500s, 4500s, 450s

• Services supported include NIS, NFS, DNS, and Firewalls

• Installed and configured iPlanet web server and BEAWeblogic Application server, iPlanet Directory server

• Administered and supported Backup/ Restores for UNIX and windows environments using VERITAS NetBackup 5.1 using Storagetek Tape library and local disks

Environment: Sun Solaris 2.6,2.7, Sun Ultra 2,5,10, Sun Enterprise 450, 4500,5500,E10K, iPlanet Webserver 4.1, Netscape Enterprise server, BEA Weblogic, Linux, AIX, IBM pseries 610, 660 servers, Veritas volume manager, Veritas Cluster server, Oracle, M/C Service guard, EMC Symmetrix, SUN-T3

P & O Nedlloyd, India

System Administrator Feb 1999 – Jul 2000

P&O Nedlloyd is one of the world's leading providers of point-to-point container shipping services. P&O Nedlloyd is the fourth largest provider of container shipping services in the world. P&O Nedlloyd's ships call at 229 ports in 94 countries with the support of more than 400 offices in 156 countries

• Support to day to day end users workstation problems

• User account Management in a Complete NIS environment, with all the user home directories in auto mounted production systems.

• Adding new NIS groups and mail aliases. Creating, updating and maintaining the NIS database. Creating NIS clients.

• Automated server backups on a monthly, weekly and daily using shell scripts (Bourne, Ksh)

• Performance Monitoring (System, Network and application), tuning kernel parameters and adding additional swap.

• Adding new hardwares to the systems (Disk, tapes, Modems and CD drives). Create new file systems.

• Administering Mail service and configured POP mail server

• Configures internet servers: IIS (Internet Information server), Netscape Enterprise Server and Unix mail servers, Web (HTTP) administration and support Configured and maintained mail server at customer place.

• Involved in Major Intranet projects for corporate customers

• Technical support to internal and external users.

Environment: Sun Solaris 2.5,2.6, Sun Ultra 2,5, Sun Enterprise 450,4500, Netscape Enterprise server, Apache, Veritas Volume manager, ODS, Veritas Cluster server, Oracle, HP-UX (10), HP-UX D Class Servers, Windows NT, IIS 4.0

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