Summary:

• 7 year's experience as a Websphere Administrator in increasing levels of responsibility and expertise in a wide range of IT disciplines specializing in Application Server, Web server, adept in all facets of administration, maintenance, Integration including Installation and Configuration.
• Well Versed in Installing, Configuring and Trouble-Shooting Application Servers like IBM Websphere 5.x/6.x/7.x/8.0/8.5 and Web Servers like IBM HTTP Web Server, iPlanetWebServer, Apache WebServer on Linux, Sun Solaris, AIX and Windows.
• Extensive Experience in optimization of Enterprise Applications using WebSphere Application server 8.5/8.0/7.x/6.x/5.x, Workload Management WLM ,WAS Resource analyzer, WebSphere Test Environment WTE , IBM Visual Age for Java 4.0/3.5, EJB, JNDI, LDAP, JMS, Oracle ,DB2 UDBon Sun Solaris,AIX and Windows.
• Experience in setting up of nodes, Data Source, virtual Hosts, configuring servlet Engines, Session Managers including planning installation and configuration of WebSphere Application Server Trace Service, Object Level Trace OLT and IBM distributed Debugger.
• Configuration management including the building of LPARs and configuring the hardware devices that support them.
• Knowledge in using WSAdmin AdminConfig, AdminApp, AdminControl, Help commands.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling and Java Mail sessions.
• Experienced in Wsadmin scripts to manage WebSphere Application Server configuration, application deployment and server run time operations.
• Experienced in Jacland shell scripts to automate the maintenance process of the WebSphere and recovered the backed up WebSphere configuration with the scripts.
• Experienced in application performance monitoring tool Wily Introscope, IBM Tivoli Performance viewer
• Experienced in developing Shell scripts to administer and automate batch job scheduling including backup and recovery processes.
• Experienced in change management and version control tools like PVCS, CVS, and Changeman DS.
• Created IBM Problem Management Records PMR to report WebSphere Application Server problems.
• Backing Up and Restoring Files and File Systems using tar, cpio, ufsdump and ufsrestore.
• Strong experience in Administration and Maintenance of WAS ND clusters vertical, horizontal, hybrid and deployment of applications in highly available, load balanced production environments.
• Experienced in deploying J2EE components in Base and ND WebSphere Application Servers V5.x/6.x/7.x using AAT Application Assembly Tool , WAS Admin Console, shell/wsadmin/JACL/Jython scripting.
• Expertise in developing WSCP scripts and Shell scripts to administer and automate batch job scheduling including backup and recovery processes.
• Highly experienced in utilizing Shell, JACL and Jython scripts for administration, maintenance, troubleshooting and for ALL day-to-day activities.
• Experience in installing patches and fixes for WebSphere Application Server. Experience in working with logs, traces and messages using tools such as Log Analyzer, Resource Analyzer and Admin Console.
• Used Wily Performance tools for monitoring and tuning the WebSphere environment like configuring Heap size, Thread pool size, Session Management, connection pool size.
• Strong experience in Load Testing, Performance testing of Web based, Client/Server, Data Warehousing applications in Windows and UNIX Environments.
• Excellent experience with HP LoadRunner tool for testing and monitoring. Analyzed results using HP LoadRunner Analysis tool and analyzed Oracle database connections, sessions, log files.
• Expertise in Single Sign-On domain using Tivoli Access Manager, Site Minder, Identity Management and LDAP. Modified Coding Variables to reduce Garbage Collection.
• Provided on-call Production Support 24x7 , monitoring and maintaining multiple Applications in Development, TEST, QA, Staging and Production Environments.

Technical Skills:

Professional Experience:

Confidential

Sr. WebSphere Administrator / Release Management

Responsibilities:

• Responsible for installation and configuration of web applications using WebSphere Application Server 7.x/8.0/8.5, IBM HTTP Server 2.0/6.0/6.1/7.0 and plugins.
• Implemented clustering, performance tuning and troubleshooting of IBM WebSphere Application Server 7.x/8.0/8.5.
• Extensively involved in migration of applications from WebSphere Application Server 6.x to 7.x and 7.x to 8.5.
• Experience in installing Web Servers like Apache V2.0.47, IBM HTTP Server V6.0/6.1/7.0, IPlanet V6.1, and installing corresponding plug-ins on them to communicate with the Application Server.
• Experienced in Installation, Configuration and Administration of WebSphere MQ 6.x and 7.x
• Worked with Control M core team and Autosys batch support using desktop configuration and enterprise applications.
• Packaged and deployed Websphere business applications in RSI Admin, CA Technologies, TASER application.
• Configured SSL requested digital certificates, created self-signed certificates and imported/exported public/private keys on Web Servers.
• Experience in deploying EAR, WAR and JAR files on WebSphere Application Server V6.x/7.x/8.0/8.5 and configuring various resources for applications.
• Implemented Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server.
• Responsible for WebSphere installation, configuration, maintenance and patching, WAS admin scripting, performance tuning, and high availability.
• Experience in applying Fix Packs, Refresh packs and Cumulative fixes to upgrade the existing WebSphere versions.
• Configured WebSphere Application Server V8.5 with DB2/Oracle/My SQL databases.
• Experience in evaluating session state failover options memory-to-memory , database persistence and create and configures DRS Data Replication Service replication domains.
• Used Tivoli Performance Viewer tool, Mercury tools to monitor application resources Enterprise beans, servlets and WAS runtime resources JVM memory, application server thread pools, database connection poo1, CPU Starvations .
• Analyzing and troubleshooting of the installation, configuration problems like UNIX, Networking, DMZ, Firewalls, J2EE, Web and Application Servers and studying local error logs with trace services.
• Involved in configuring the Web Directory access protocols like LDAP for different levels of access at the site.
• Developed various scripts using jacl and python AdminConfig, AdminApp and AdminConfig and ksh in order to automate the process of WebSphere deployment, configuration and start/stop WebSphere Processes.
• Developed shell scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, log rotation etc.
• Provided load/stress and architecture validation, testing and trouble shooting of issues such as Out of Memory, 100 CPU Usage, hung Thread sessions, session replication, JVM Crashes.
• Ability to diagnose Web/App server performance issues/troubleshooting using LoadRunner J2EE Diagnostics/Deep Diagnostics.
• Monitored the performance of the deployed applications by enabling the Performance Monitoring
• Infrastructure PMI using Runtime Performance Advisor and Tivoli Performance Viewer and Wily Introscope.
• Supported applications 24X7 on-call on a rotational basis.

Environment: WebSphere Application Server 5.x/6.x/7.x/8.x, IBM HTTP Server V2.0/6.0/6.1/7.0, IBM WebSphere Virtual Enterprise VE 6.1, Planet V6.0, LDAP, Tivoli Performance Viewer, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, Microsoft SQL Server 2000, IPlanet V6.1, ORACLE V8i/9i/10g, DB2 V7.1/8.1, Red Hat Linux V9, Solaris V8/9/10, AIX V5.1/5.3, BigIP, IBM DataPower XI50

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Installed, Configured and Administered WebSphere Application Server ND/XD 6.1/7.0 on Red Hat Linux platform.
• Configured WebSphere LDAP Security with IBM Directory Server 6.0.
• Installed and configured the IBM HTTP Server 6.0.
• Installed and configured IBM DB2 database and setup LDAP security to the Applications.
• Deployed the applications in Testing, Staging and Production Environments, following change management practices.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and Jacl scripts, following the change management requests.
• Managed the Security and Performance Optimization for EJB containers and Web Applications in WebSphere, IHS web server.
• Achieved Workload Management and Failover by Creating and Configuring Clusters and Cluster members for Load Balancing and High availability.
• Responsible for applying Refresh packs, fix packs and Interim packs to WebSphere Application server and IHS web server.
• Created and Managed User roles and Groups for Securing the Resources using local operating system authentication.
• Created the user lists and groups in LDAP Servers and mapped them to the enterprise applications running on the Application Servers.
• Involved in configuring SSL b/w Web Browser, Web Server Application server and Worked with Key stores and Trust stores if any of the certificates are expired.
• Involved in Configuring Single Sign On SSO with Tivoli Access Manager for Websphere Application Server.
• Involved in migrating applications from WAS V6.x to 7.x.
• Used Tivoli Performance Viewer/Wily Introscope to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool settings.
• Worked with Wily Introscope dashboards for tuning the JVMs and assessed the direction of projects through various development lifecycles with the development team using Agile Methodologies.
• Monitored the health of the JVM by taking Thread Dumps and analyzing the Stack trace which helped in performing Root Cause Analysis to find out the cause of the problem.
• Performed routine management of WebSphere environment like monitoring Disk Space and CPU Utilization.
• Involved in Troubleshooting Admin Server start-up issues, Java code defects after deployment, like class path issues and errors in application properties files by checking JVM logs and Plugin-logs.
• Involved in Trouble shooting and Performance tuning using Resource analyzer and Log analyzer.
• Working with IBM in opening a PMR for inconclusive root causes, and coordinating the proposed changes with the respective teams.
• Ensuring consistent communication between WebSphere Clients, Edge Components, Web Server, Application Server s , and Database.
• Conducted load/stress test using Load Runner and SOA TEST on the application server to ensure that the response times are within the acceptable range as prescribed by the business and also ensure that it performs consistently without crashing under simulated load.
• Supported applications 24X7 on-call on a rotational basis.

Environment: IBM WebSphere Application Server ND V6.x/7.0.0.x, Oracle10g/11g, DB2, IBM HTTP Server 6, Site Minder, IBM TDS 6.2, Solaris Sparc V5.10/5.9, AIX 5.3/6.0, Redhat Linux 4/5, Windows NT/2000/2003, Microsoft IIS 5.0 6.0, IBM WebSphere Studio Application Developer RAD6.0/ WSAD 4.0/5.0, JDK1.6, Peregrine Change Management tool, XML,JACL and Jython scripting.

Confidential

WebSphere Administrator

Responsibilities:

• Installed, Configured, and Administered IBM Websphere Application Server 6.1 base and Network deployment WAS ND , Extended Deployment on Red Hat Linux platforms, Windows 2000 Advanced Server and Window 2003 Server environments.
• Installed IBM HTTP Server 6.0/6.1 and configured with remote plug-in and configured with portal server in cluster environment.
• Installed fix packs, refresh packs for JDK, JVM the websphere application server 6.1 to support portal.
• Migrated the application server from websphere v6 to v6.1 using WASpreUpgrade and WASpostUpgarade command line tools.
• Created DMGR, application server and custom profiles in Linux platform for dev, test, preprod and production and federated application server and custom profile to DMGR using addNode.sh command.
• Responsible for J2EE Application Deployments, Plug-in Configuration, Data Source Creation, Virtual Host Creation, Session management, clusters, Deployment Manager Configuration, Network Deployment Configuration in WebSphere Application Server on Red Hat Linux and Windows 2003 Server environments.
• Daily work involved executing CRs and resolving Trouble Ticket involving new application installs, upgrades, applying patches, application server installs, resolving outages adherent to the corporate procedures, policies and escalation levels set forth for the eBusiness team.
• Enabled security for the Admin Console and the application components by creating user registry in LDAP IBM Tivoli Directory Server .
• Worked with the Asset Management Team to install Renewed and New SSL certificates on Web Servers using IKEYMAN utility.
• Monitoring the Logs after the stress test performed by QA team and made decision for hosting the Application into Production.
• Installed and configured Wily Introscope CA monitoring tools for monitoring the applications which are running in the application server.
• Performed heap dumps and thread dumps and analyzed using heap and thread analyzers to find out the bottleneck of the application server hung and out of memory exceptions.
• Opened PMRs with IBM and worked with the development team closely to resolve issues.
• Supported applications 24X7 on-call on a rotational basis.

Environment: WebSphere Application Server 5.1/6.0/6.1, Wily Introscope IBM Http Server 2.0.47, iPlanet Web server, LDAP Iplanet Directory Server, EJB, JSPs, Servlets, XML, JDBC, Java Script, HTML, IBM DB2/UDB v 8.2, Sun Solaris v 9/10 and Windows2000 Advanced Server.

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured, upgraded and troubleshooted WebSphere Application Server v5.1 and WebSphere ND v5.1 in a federated multi-node environment and web servers SunOne 6.1 SP5 .
• Troubleshooting various problems in different stages of development, QA, Staging and Production by analyzing log files.
• Profiled all the J2EE Applications and worked with Application Groups in improving performance of applications and possible memory leaks in applications before deploying in Production.
• Configured the extranet Web Servers and intranet application servers using the firewalls between the Web Servers and application servers DMZ model .
• Responsible for building Application Servers and Web Servers on Solaris and Linux.
• Involved in Deployment of J2EE Applications, Creating Clusters for Load Balancing and Failover, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
• Involved in opening and working on PMR's with IBM to solve various issue related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the logs and traces to IBM.
• Used WebSphere plug-in for load balancing across the cluster members and manually updated it for remote webservers in the DMZ.
• Enable global security for application servers and applications using Single Sign on SSO by LTPA mechanism on Secure Way LDAP User Registry.
• Written JACL Jython scripts for deploying J2EE EJB, JSP, HTML, and XML based applications.
• Involved in applying fix packs and e-fixes to WebSphere Application Server on Solaris and Linux.
• Installed IBM HTTP Server on Solaris and Linux and configured it by changing httpd.conf for IHS, obj.conf and magnus.conf for SunOne and copying the plug-in for WAS.
• Responsible for monitoring, troubleshooting and load balancing of several critical e-Business servers.
• Provided 24/7 system administration and support, ensured reliable operation of the PROD/UAT/DEV/INT/QA environments comprised of Sun and Intel hardware primarily.
• Successfully tested and upgraded various third party softwares Ultraseek, Siteminder, Nessus, Opendeploy, Wily, etc., on several critical servers with zero impact to business on Solaris 8 and Redhat AS3.0.

Environment: Java2EE, WASND 5.1, IBM WebSphere Application Server 5.1, Sun One 6.1, Netscape iPlanet, Actuate, LDAP Server, Redhat AS3.0,DB2 UDB, , Windows NT and Solaris 8.

Confidential

Websphere Administrator

Responsibilities:

• Installed, configured, administered and supported WebSphere Application Server 4.x/5.x on Sun Solaris Sparc, AIX and Windows environments.
• Installed, configured the Network Deployment Manager, Nodes and Application Servers. Federated multiple Application server nodes to the Deployment Manager.
• Created and configured clusters of servers both vertical and horizontal on federated nodes for load balancing and failover.
• Installed IBM HTTP Server 2.0 and configured it with WebSphere Plug-ins to work with WebSphere Application Server.
• Created J2C authentication data entries for configured data source to test database connection from WebSphere administrative console.
• Configured virtual hosts and transports for WebSphere application servers.
• Configured SSL for IBM HTTP Server using Ikeyman utility provided with the HTTP Server.
• Applied fix packs and cumulative fix packs to upgrade the WebSphere Application Server versions.
• Played an active involvement in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.
• Applied software maintenance, program fixes and keeping the system software releases current.
• Involved in trouble shooting application server, web server and plug-in logs and analyzed them using Log Analyzer in case of any critical issue.
• Developed UNIX shell scripts, JACL and python scripts to automate the WebSphere Administration recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc .
• Monitored the performance of the deployed applications by enabling the Performance Monitoring Infrastructure PMI using Runtime Performance Advisor and Tivoli Performance Viewer and Wily Introscope.
• Involved in the testing phase of the product and performed quality assurance.
• Implemented session management to create the dynamic application using Action Servlets.

Environment: IBM WebSphere 4.x/5.x, IBM Http Server 6.0.x, Solaris 5.8/5.9, Windows NT/2000, JSP, Servlets, XML, JDBC, JNDI, XSLT, Jprobe, EJB, XML, Apache Tomcat, SQL server, JDBC, JavaScript, HTML, Oracle9i.