SUMMARY:

• Around 7 years of IT experience as IBM WebSphere Administrator for IBM WebSphere Application Server and IBM WebSphere Portal Server in different platforms.
• Experience in working on critical ecommerce and financial applications hosted on WebSphere.
• Extensive experience in deployments and management of enterprise applications using WebSphere Application Server 5.x/6.x/7.x and WebSphere Portal Server 5.x/6.x,WebSphere MQ 5.x/6.x/7.x on UNIX Solaris/AIX , Linux and Windows NT/2000/2003/2008 environments.
• Experience in installing, configuring WebSphere Extended Deployment XD Version 5.x/6.x on AIX, Solaris and Linux.
• Installed and configured MB v5 and v6 on AIX,Linux, Solaris platforms.
• Installed, configured and administered Interfaces for MQSI.
• Experienced in web server administration, which includes installation, configuration, upgrading troubleshooting of IBM HTTP Server IHS , Netscape Enterprise Server, Sun ONE, IIS, Apache ,Tomcat and their integration with WebSphere Application Server.
• Configured Demilitarized zone DMZ topologies involving multiple firewalls and provided security.
• Expertise in LDAP Configuration and setting up security policies.
• Experienced in setup of DNS server, IPSprayer BigIP .
• Experience in setting up WebSphere resources, Virtual Hosts, JVM parameters, variables, shared libraries etc.
• Configured WebSphere resources including JDBC providers, JDBC data sources, and connection pools. Creating Version 4 Data Source and Version 5 Data Source depending on the enterprise application needs.
• Hands-on development and deployment experience in Tomcat, WebSphere and JBoss application servers.
• Experienced in automated application install, uninstall and application enhancements through shell, JACL, Jython, Python scripts using 'Cron' and 'at' job scheduling utilities.
• Experienced in applying patches and plug-ins for WebSphere Application server. Experience in Deployment of portlets and war files on WebSphere Portal.
• Developed MQ infrastructure in enterprise level with distributed Queuing and Clustering.
• Configured horizontal scalability of WebSphere using Cloning mechanism of multiple Web Application Servers with independent Java Virtual Machines-JVMs, for each clone.
• Extensive experience in optimizing the performance of WebSphere Application Server using Work Load Management WLM with cloning and clustering techniques including Horizontal and Vertical Scaling with Round-Robin method for failover and backup/recovery processes.
• Hands on experience of implementing the cone model for performance tuning and debugging in production environment.
• Involved in trouble shooting and Performance tuning using Wily and Tivoli Performance Viewer.
• Installed and configured Tivoli Access Manager as per eBusiness requirements.
• Responsible for setting customized SiteMinder Logins, Access Control Lists ACL's , Custom error responses.
• Experience in working with common tasks in Data Transformation Services DTS .
• Provided 24x7 production support, best practice trouble shooting, monitoring, capacity planning, performance tuning, naming standards, security and maintenance.

TECHNICAL SKILLS:

PROFESSIONAL EXPERIENCE:

Confidential

Sr WebSphere Administrator

The project involves working in Enterprise Build and Configuration team supporting ecommerce and Distribution systems under Personal Markets Line of Business in Liberty Mutual Insurance Group.

Responsibilities

• Installing WebSphere 8 on AIX nodes in both non-prod and production environments
• Setup of Liberty Mutual's TEAM-USA Olympics website.
• Supporting internal and extranet DNS cutovers for migrating applications from legacy servers to new platforms
• Involved in upgrade of distribution applications from WebSphere V5 to WebSphere ND V7
• Responsible for installing applications/modules on WebSphere Process Server
• Responsible for configuring WPS and DB2 datasources on Process server environments.
• Responsible for configurations on WebSphere Portal environments.
• Responsible for configuring MPGW,FSH on Datapower devices XS40,XI52 .
• Supporting middleware infrastructure on Windows platform
• Installing DB2 drivers and configuring driver classpaths
• Installing NFS mounts on linux nodes for serving various application needs
• Setting webcontainer thread pool ,transaction timeouts according to application needs
• Configuring SCA endpoint URLs for process server modules along with webservice endpoints with authentication
• Installing and Configuring WebSphere MQ.Tasks include installing new queues local and clustered on zlinux nodes along with configuring queue connection factories and related JMS configs
• Configuring JVM heap settings along with GC policy
• Involved in monitoring the health of the environments at web/app and database layers
• Involved in automating administration tasks using BMC bladelogic server console to run across multiple production and Test nodes
• Performed data backups and actively involved in disaster recovery operations
• Implemented Siteminder and LDAP basic authentication schemes to secure applications
• Configured Introscope monitoring to work with WebSphere ND JVM's along with webserver instances for health check.
• Support of application deployed in various environments from development to test phases
• Configuring IHS webservers to use various redirects required for the application
• Worked with F5 load balancer team to setup various virtual servers
• Configured deploy scripts to work with WebSphere application servers for auto deployments
• Involved in retiring/decommission of legacy middleware infrastructure
• Tuning of process server and application server JVM's to increase application performance
• Working with IBM on WebSphere issues by providing the required logs/trace along with creating PMR's
• Provided 24/7 on-call support for eCommerce and Distribution production support issues.

Environment: WAS ND V5,V6,V7,V8,Webspher VE 7.0.0.1,WebSphere MQ V7,RHEL V4,6,7 , DB2 9,10 ,AIX ,Solaris, IHS7,IIS, Wily V9,BMC Bladelogic,BMC

Confidential

Sr. WebSphere Administrator

The project involves supporting the Treasury Management application of PNC Financial Services Group including the definition of the overall architecture, primary engineering support, and definition of administration guidelines and configuration management of shared IBM WebSphere server environments.

Responsibilities:

• Installing and configuring Apache,IBM HTTP web servers on RHEL5.x
• Experience in working with Perl filters on Apache webserver.
• Involved in building new sites,configuring SSL certs including EV on Netscalers and webservers.
• Experience in integrating Apache webserver with WebSphere application server and WebSphere process server.
• Installed and configured Wesphere Application servers on RHEL5 and Solaris 10.
• Responsible for migrating several WAS ND 6.x applications in clustered environment to WAS7.x.
• Built and configured WebSphere Process server in a 3-node clustered environment in Test/QA and Prod environments.
• Responsible for configuring various datasources in WebSphere.Experience in working with Oracle10g,11g and DB2 databases.
• Involved in configuring various Queues, Queue Mgrs for applications utilizing various messaging technologies.
• Configured various monitoring tools like AlertD, NetCool, Gomez, Hp Diagnostics to several banking applications.
• Monitoring and troubleshoot the applications using HP SiteScope.
• Developed Shell/Perl and Jython scripts for various system administration tasks.
• Support Application teams by analyzing the Java core/Heap dumps in Production using various analysis tools.
• Worked as a Production Support contact for different banking applications running on WebSphere.Experience in debugging issues related to web/app/data tiers in Production.
• Experience in installing/configuring Actuate BIRT server on Solaris environment.
• Responsible for documenting system administration tasks and production support issues/solutions on Corporate Wiki.
• Responsible for configuring various batch processes for different applications.
• Primary system administrator for system's environment running CentOS 4 and 5 with virtualization provided by OpenVZ Virtuozzo containers and implemented several CruiseControl automated build servers.
• Experience in using various SCM tools like Subversion, Clearcase and Harvest.
• Involved in the DR testing of the applications.

Environment: WebSphere Application Server V6.x/7.x,Web,RHEL5, Solaris10,9, CentOS4,5, DB2 8.0, Oracle 10g,11g, IBM HTTP Server, Apache 2.x , Heap Analyzer, Actuate9,11

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Responsible for Administrative Tasks like Installation, Configuration, Deployment, Tuning, Clustering, Work Load Management WLM , Troubleshooting for WebSphere Application Server 7 on Solaris and AIX environments.
• Configured Demilitarized zone DMZ topologies involving multiple firewalls and provided security.
• Configured virtual hosts, data sources, JDBC providers, JNDI, connection pool, JMS providers, resource adapters and connection factory settings for connecting to resources.
• Configuring of Secure Sockets Layers SSL for Admin Console and Applications for data encryption and client authentication.
• Designed EAI solutions using Message Broker.
• Installed and configured MB v5 and v6 on AIX, Z/OS Linux, Solaris platforms.
• Installed, configured and administered Interfaces for MQSI.
• Extensive experience in upgrading the Message flows from MQSI v5.0 to 6.0 and 2.1 to 5.0.
• Designed and developed Complex message flows to route messages between different destinations.
• Developed ESQL Code to execute the transformations and Database Inserts
• Developed wsadmin, Python and shell korn,bash scripts to automate WebSphere and web server administration tasks, log rotation, server startup tasks.
• WebSphere Performance Monitoring and Tuning using Tivoli ITM and ITCAM.
• Created an optimized thread count model using JMeter and Tivoli.
• Upgraded 4 HACMP AIX WMQ Cluster 20 nodes from MQ 5.3 TO 6.0, that provided the high availability and workload balancing.
• Configured Workload Management WLM using Clusters and clones.
• Migration of WebSphere from 6.0/6.1 to 7 and Installation of fix packs.
• Involved in securing J2EE applications by implementing Single Sign On by using SiteMinder.
• Implemented standard backup procedures for WebSphere applications.
• Configured Hardware and Software RAID. Disk replacement and File system Recovery.
• Implemented DR strategy for the mission critical applications.
• Installed and configured Wily agent, Wily enterprise manager and Introscope Workstation.
• Used MAVEN for dependency and build management
• Monitoring the Logs after the stress test performed by QA team and made decision for hosting the Application into Production.
• Diagnosis and repair of the WebSphere environment. Assist developers with the diagnosis and repair of WebSphere applications.
• Created Cron jobs for automation of scheduled events.

Environment: WebSphere Application Server 6.0/6.1/7, MB V6,MQSI V6.0,IBM MQ Series, Sun Solaris, AIX, Linux, Windows2000/NT, IBM HTTP server, Apache, EJB, JSPs, Servlets, Oracle 10g, DB2

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Installed and configured WebSphere Application Server 6.0 on AIX, Linux, Windows and Solaris and applied the latest refresh packs and fix packs and IHS 6.0.
• Installed and Configured WebSphere Extended Deployment manager XD 5.1/6.0.2.
• Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes and Automated the WAS environment with Jacl and Jython Scripts.
• Created dynamic clustering using WebSphere XD.
• Configured JDBC Drivers and data source connection pools on WebSphere application server to connect the J2EE components with oracle 8i database.
• Configured WebSphere Portal using LDAP Security.
• Installed and Configured IBM HTTP Server 6.0 and Apache web server.
• Experience in IIS application server administration, design and installation.
• Installed Configured and Administered WebSphere portal Server 5.1.
• Configured Portal 5.1.0.1 with Microsoft Active Directory MSAD for security.
• Migrated existing applications from WebSphere 5.0 versions to 6.0 using Waspreupgrade and Waspostupgrade commands.
• Migrated applications from WebSphere Portal servers 5.x to 6.x.
• Configured and monitored database tier.
• Transferred default cloudscape database in portal to DB2.
• Worked closely with Solaris Server Team for Operating System tweaks for Performance.

Environment: Web Sphere Application Server 6.x/5.x, WebSphere Portal Server 5.x/6.x, Windows 2000 Advanced Servers, Linux, AIX, Sun Solaris, IBM HTTP Server, Apache Web Server

Confidential

System Administrator

Responsibilities:

• Installation and configuration of Apache Tomcat.
• Installation of WebSphere application server V5.
• Installed and configured LDAP server using Sun One Directory server for user authentication.
• Created cluster environment and deployed J2EE Applications like WAR, JAR, EAR files on the cluster and solved the deployment errors.
• Implemented security by configuring Secured Socket Layer SSL for client authentication.
• Configuration of enterprise applications and determining performance problems by monitoring server availability and analyzing resources.
• Developed and ran shell scripts and implemented auto deployment process.
• Monitored access, error logs and tuned parameters on Apache/Tomcat environment.
• Analyzing cores and java thread and heap dumps for detecting blocking and locked threads.
• Debugging development issues related to systems environment and provided 24x7 On Call Production support on rotation basis.

Environment : Java/J2EEE,Apache HTTP,Tomcat, WebSphere Application Server V5,SVN,Sun One 6.1,RHEL 4,Windows NT.