Professional Summary

• 8 years of experience in Information Technology which includes server administration, implementation, consulting, deployments, maintenance and architecture solutions of IBM WebSphere Middleware System. WebSphere Application Server, WebSphere Portal
• Installation, configuring, maintenance, upgrades, and troubleshooting of IBM WebSphere Application Server 8.5.5/7.0/6.1/6.0/5.1/5.0 Network Deployment, Embedded JMS Server, BPM Sever 7.2, WebSphere Portal Server V6.0/5.1/5.0, WebSphere MQ 7.0/6.0.
• Experience in Installing, Configuring and Administering Web Servers like Apache, IBM HTTP Server IHS , Apache, IPlanet and Microsoft IIS.
• Building high available, scalable, redundant, high throughput WebSphere environment systems using clustering, multi cell and multi node methods.
• Expertise in documents installation, maintenance and problem determination.
• Expertise in Installing, Configuring and Troubleshooting Test/Development, UAT and Production Environments.
• Configured WebSphere Application Server resources like JDBC Providers, Data Sources and Connection Pooling to connect to the DB2.
• Installed, configured and integrated Webservers plug-in file , SiteMinder agent and LDAP user directory with WebSphere Application Server.
• Configured and secured Web Server interface, session management, virtual hosts, WebSphere resources, J2C resources and connection factories in IBM WebSphere Application Server.
• Applied Fix packs / e Fixes / Refresh packs / Cumulative fix packs for WAS using Update Installer and automating it.
• Experience in working with SiteMinder, IBM Tivoli Directory Server LDAP for authentication and authorization.
• Worked on server side technologies like JSP, Servlets, EJB, JNDI, JDBC, JMS and RMI, CORBA, XML, HTML, Java Beans on IBM WebSphere Application Server.
• Collection of JVM statistics, garbage data for monitoring the heap and physical memory collection. Performance and tuning database connection pools, thread pools, JVM Heap Size to required sizes using admin console.
• Involved in IBM WebSphere Application Server troubleshooting scenarios like Out of memory, Java hangs, crashes and debugging bottlenecks in resource pools by taking Heap Dump, Java Core dump using IBM tools like Heap Analyzer, Thread Analyzer and Memory Diagnostic Tool.
• Good at Performance monitoring using Resource Analyzer.
• Monitoring application log files, Application Server Performance, Servlet Status, Active Sessions and DB Pool connections.
• Expertise in troubleshooting and monitoring, including Tivoli Performance Viewer, Wily 5 and Site Scope.
• Gained experience in implementing LDAP security models.
• Created IBM Problem Management Records PMR to report WebSphere Application Server problems.
• Worked with Edge Components Failover Active/Standby , HTTP Server Failover Active/Active , Web Container Failover, EJB Container failover, Session Affinity, Session Persistence.
• Experienced in Development and Deployment of J2EE application Archives jar, war, ear on WebSphere Application Servers.
• Thorough knowledge in J2EE technologies, JNDI, JMS, JDBC, Servlets, JSP and EJB.
• Experience in managing J2EE distributed systems with interfaces to legacy systems and other middleware solutions.
• Experience in DNS, LDAP, FTP, remote access, security management, and system troubleshooting skills.
• Extensive experience in problem tracing and WebSphere log file managements and implementing the workload Management WLM using cloning and clustering.
• Experienced in most of the WebSphere administration tools which includes wsadmin, ikeyman, keytool, backupconfig, Workload Management, Resource analyzer, Log Viewer and AAT.
• Expertise in implementing the Workload Management WLM using various topologies at Web Server and Application Server levels.
• Worked as a level 3 Web Administrator for IBM Internet/Intranet Hosting, across two Datacenters with heterogeneous servers and infrastructure.
• Experience working with a 3-Tier application architecture.
• Strong technical knowledge includes WebSphere Application Server implementation, support, workload management and performance tuning. Web server setup, including complex secure sockets layer SSL configuration on IBM HTTP Server.
• Implemented standard backup procedures for both application database and WAS administration database. Worked with BackupConfig Restoreconfig commands for backup and restore the configuration of nodes and cell. Backup of important directories and Ears.
• Provided 24x7 production support, best practice troubleshooting, monitoring, capacity planning, performance tuning, naming standards, security and maintenance.

Technical Skills

Professional Experience

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Created user roles and groups for securing the resources using Local OS Registries.
• Worked as a level 3 Web Administrator for IBM Internet/Intranet Hosting, across two Datacenters with heterogeneous servers and infrastructure.
• Involved in evaluating session state failover options memory-to-memory, database persistence and create and configures DRS Data Replication Service replication domains.
• Configured Service Integration Technologies by configuring SIB by creating buses and adding servers/clusters to buses links, messaging engines that application using message-based and service-oriented architectures.
• Provided load/stress and architecture validation testing and trouble shooting on issues such as Out of Memory, 100 CPU Usage, hung Thread sessions, session replication, and JVM Crashes issues.
• Created J2C authentication data entries for configured data source to test database connection from WebSphere administrative console.
• Developed WSADMIN scripts for updation of data source, logpath details for jvm's and MQ resources etc.
• Installed, configured and integrated Webservers plug-in file , SiteMinder agents and LDAP user directory with WAS.
• Installed and configured Apache HTTP Server2.2on RHEL4.7
• Installed and configured IBM File Net Content Manager 4.7 and 5.2.1
• Worked with networking team for creation of VPN's and registration of DNS for accessing applications for high availability environments.
• Installed and configured SiteMinder WebSphere Agent.
• Responsible for building the Dev, Test, QA, and Prod environments by installing the WAS and creating the profiles, nodes, federation of nodes, Application Servers, Clusters, Virtual hosts, data sources, MQ connections, Plug-in Configuration and Service Integration Bus Configuration etc.
• Involved in coordinating the monthly implementation plan for the migration part of the project for the applications running on 6.1.0.21 to 7.0.0.21 and audited the application migration process as and when completed by the other team members.
• Configured WebSphere container resources JDBC, JMS, JNDI, J2C Alias etc.
• Installed, Configured and administered WebSphere application server 7.0.0.21/ 6.1.0.21, and Apache HTTP Server2.2 on Windows 2000, AIX, and Linux and on Solaris 10 systems.
• Responsible for installation, configuration and administration of WAS 7.0.0.21, 6.1 and MQ 7.0 on RHEL and Solaris operating system for highly available environments.
• Worked on performance tuning of application server using Wily Introscope by setting optimal values for timeouts, connection pools, JVM heap size and tuning garbage collector.
• Configured and setup Secure Sockets Layers SSL for data encryption and client authentication. Used WebSphere Application Server key management utility ikeyman , for managing keys and certificates.
• Defined synchronized and persistent IBM MQ Series Queue manager, Channel Managers and Queues.
• Highly involved in SSO portal implementation using Sun One Directory Server and CA SiteMinder.
• Worked extensively in IBM HTTP Server, Apache, Proxy Servers, DNS, Load Balancer, WebSphere Application Server administration, Server management, and handling day to day server issues in Production environment.
• Created IBM Problem Management Records PMR to report WebSphere Application Server problems.
• Experienced in attending the bridge calls for production issues and non prod issues and involved application teams or database teams or networking teams to resolve the issues and involved in Root cause analysis for the issues encountered. Also provided 24/7 on call support for all the production applications.

Environment: IBM WAS 8.5.5/7.0.0.21/6.1.0.21/5.1, RHEL 5.3/4.7,AIX,Windows2000,DB2,Oracle 10g, IBM HTTP Server, Websphere Portal 7.0, 6.1, Solaris, BIG-IP F5, Citrix NetScaler 9.2, Tivoli directory server, MQ 6.0, site minder, HP Change Management, Veritas, Wily/CA Introscope7.2Apache2.2, Sun one LDAP 5.2.4, iPlanet, Netigrity, Site Minder, Policy Server 5.5/6.0,FileNet Content Engine5.2, Active Directory, Message Broker.

Confidential

Sr. WebSphere Administrator

Responsibilities:

• Installed, configured, administered, troubleshoot, and tuned WAS ND on NT, AIX, Linux, and Solaris platforms for multiple high profile projects.
• Installed, configured and integrated Webservers plug-in file , SiteMinder agents and LDAP user directory with WAS.
• Configured LDAP and worked on authentication adjudication and authorization of WebSphere server.
• Worked on Jython scripting for developing the builds and deploying them.
• Worked Extensively in Troubleshooting on 3- Tier Architecture and escalated the issues to the testing teams.
• Worked Extensively on WebSphere Application Server Registry and provided production support.
• Worked on SAML and created Web Application Firewall and worked on WebSphere development.
• Deployed application EARs on Websphere Application Server Network Deployment in Dev, Test, Stage and Production environments on a daily basis and troubleshoot various configuration and application issues.
• Involved in deploying the Portlets to WebSphere portal server 6.x.
• Used ANT script to automate the build and deployment process.
• Profiled all the J2EE Applications and worked with Application Development, and QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues, bugs before deploying in Production.
• Upgraded Applications with various patch files JSPs, Class files, changing various property files and other configurations
• Troubleshooting various problems in different stages of development using logs files and with coordination from QA and Development teams.
• Performed WebSphere Configuration backup and restoration using scripts.
• Administered, configured, tuned, and troubleshoot WebSphere in a clustered environment.
• Utilized skills in shell, Perl and wsadmin/JACL scripting to automate deploying, updating applications, migrating data and automating batch jobs.
• Configured JDBC Providers, Data Source, Virtual Hosting, Global Security, SSL.
• Involved in migrating WAS 5.1 to 6.0/6.1.
• Implemented a migration from WebSphere Application Server Base to Network Deployment as well as a 5.0 to 5.1 upgrade.
• Expertise in documents installation, maintenance and problem determination.
• Upgraded SiteMinder 5.5 to 6.0 in all environments QA, UAT and Production flawlessly.
• Troubleshoot and successfully resolved LDAP, SiteMinder, code data issues.
• Troubleshoot problem-tickets worked with developers to identify the root cause and resolved the issue.
• Mentored development and support teams on WAS operation and problem determination.
• Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.
• Managed multiple high profile complex projects and implemented with minimal disruption to end-users.
• 24x7 production support.

Environment: IBM WebSphere Application Server 5.0, 6.0,6.1 IBM WebSphere Portal 6.0,IBM WebSphere MQ 5.3,JBOSS, CSD 08,CFEngine,BIG IP F5, IBM DB2, Informix, Oracle 9i, Solaris SunOS 5.8, LINUX, AIX, Sun ONE Directory Server 5.1, Sun ONE webserver 6.0, 6.1SP3, IIS, BMC SiteMinder Policy Server 5.5, 6.0.

Confidential

WebSphere Administrator

Responsibilities:

• Handled Staging and production environments as part of the application deployment.
• Configured the WebSphere load balancing utilizing WebSphere workload Management including horizontal and vertical topology.
• Achieved Work Load Management by creating Clusters in WAS 6.X.
• Configured IBM Tivoli Access Manager Web SEAL on AIX, UNIX and Linux.
• Defined WAS an installation scenario from standalone servers to clustered environments.
• Re-branded a WebSphere Application Server installation, Implemented virtual portals, Identified WebSphere Application Server architecture and High Availability Topologies.
• Configured Database and Security for WebSphere Application Server.
• Administering and maintaining IBM WebSphere Portal Server 6.x in various environments including INT, QA and PROD in a clustered environment.
• Installed and configured IBM HTTP Server 6.0/6.1, Apache and Sun One Web Server.
• Maintenance of the WebSphere Application Servers on different UNIX AIX and SOLARIS , Windows and LINUX platforms and setting up the development, testing and staging environment for the ongoing application development.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and wsadmin scripts.
• Enabled global security for the Admin Console and application components.
• Experience in monitoring and maintaining multiple Applications in Development, QA, Staging and Production Environments.
• Monitoring performance of WebSphere components interacting with databases especially Oracle, MQ queue depth, Servlets response time, connection pool used, CPU usage using Wily and BMC Patrol.
• Used Resource Analyzer/ Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap and Connection Pool sizes.
• Used command line tools WSCP and XML Config occasionally as an alternative to the Admin Console.
• Utilized skills in shell, perl and wsadmin/Jython scripting to automate deploying, updating applications, migrating data and automating batch jobs.
• Managed the security and performance optimization for EJB containers and web applications in IBM WebSphere, IBMIHS web server.
• Involved in trouble shooting and performance tuning using Resource Analyzer, Thread Analyzers and log Analyzer.
• Worked closely with developers to define and configured application Servers, Virtual Hosts, Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Troubleshot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the Web server logs.
• Production Supported tier1 and tier2 for 24X7 and also worked in shifts.
• Assembled and deployed the applications in staging, in productions, following change management practices.
• Worked on Application Server WebSphere to deploy the Beans.
• Used Struts 1.1 exception handling mechanism to handle exceptions in actions classes.
• Created Java Server Pages JSP for the browser interactions with the engine.
• Knowledge of key Internet protocols to include TCP/IP, HTTP/S, SSH, FTP, SFTP, DNS, NTP, NFS. Involved in Improving the coding standards, code reuse, and performance of the Extend application by making effective use of various design patterns.
• Wrote scripts for accessing remote Admin Servers, cleaning up logs during back-ups.
• Performed migration of some of the applications from WAS 5.x to WAS 6.x.
• Used LTPA for authentication for enable the global security.
• Created users and groups in LDAP Servers and mapping them to the enterprise applications running on WebSphere Application Server.
• Involved in the migration of Web-Tier from Two-Tier to Three-Tier architecture and Created new Web Servers to use VeriSign certificates.

Environment: IBM WebSphere Application Server 7.0/6.1.0.35, IBM HTTP Server 6.1, WebSphere Portal Server 5.1, AIX 5.3, Windows Server 2003/2008, WSAD 4.0, WebSphere MQ V 5.3/6,Microsoft SQL Server 2008, HTML, Java Script, XML, JSP, Servlets, APT, ANT.

Confidential

WebSphere Administrator

Responsibilities:

• Installed, configured and Administration of IIS Server, IHS, Apache Web Servers.
• Installed, configured and Administration of Tomcat Server.
• Installing prerequisites before installing 6.0/6.1 AppServer, Network Deployment and IBM HTTP Server v6.0/6.1
• Configured WebSphere Clustering Vertical and Horizontal
• Configuration of Network Deployment for Centralized Management of Applications.
• Configuration of LDAP with WebSphere Application Server.
• Configuration of WebSphere Global Security.
• Configuration of WebSeal, Portal and MQ workflows.
• Configured WebSphere resources including JDBC providers, JDBC data sources, SSL, virtual host and connection pooling.
• Enabling Performance Monitoring Service PMI .
• Collection of JVM statistics, garbage collection data for monitoring the heap and physical memory.
• Load balanced the Application server with Clusters.
• Worked with Edge Components Failover Active/Standby , HTTP Server Failover Active/Active , Web Container Failover, EJB Container failover, Session Affinity, Session Persistence
• Enabling Java Virtual Machine profiler Interface JVMPI for more comprehensive performance analysis.
• Implemented standard backup procedures for both application database and WAS administration database. Worked with BackupConfig Restoreconfig commands for backup and restore the configuration of nodes and cell. Backup of important directories and Ears.

Environment: WebSphere 4.0.6/5.0/5.1/6.0, Weblogic 8/9, .Net, IIS, Apache, DB2. 7.2/8.0/9.0, Aix 5.3, Linux Suse , windows Server 2000/2003/2008, Java Script, EJB, JSP, XML, Servlets, Mercury toolset.F5

Confidential

Programmer Analyst

Responsibilities:

• Worked on the Data Layer and Created Java Classes, which interacts with Data to insert, Update and Select from and to Multiple Data Tables.
• Involved in the iterative/incremental development of Extend application. Participating in the requirement analysis and design meetings. Object modeling of the Extend application using UML with Rational Rose.
• Involved in Improving the coding standards, code reuse, and performance of the Extend application by making effective use of various design patterns.
• Created Java Server Pages JSP for the browser interactions with the engine.
• Used Struts 1.1 exception handling mechanism to handle exceptions in actions classes.
• Worked on Application Server WebSphere to deploy the Beans.
• Implemented Java Beans, Servlets to act as the controller in the MVC model.
• Usage of Struts web application framework implementation to build the presentation tier.
• Developed Message Driven beans using Topics and Queues.
• Involved in Writing of SQL queries for posting and retrieving of data from database.
• Involved in developing Stored Procedures, functions, Triggers and Packages.

Environment: Java, J2EE, Servlets, JSP, EJB, MDB, Jakarta Struts1.1, Tiles, XML, IBM WSAD WebSphere Studio Application Developer 4.0.3, WebSphere 5.0, DB2 7.1, JMS, Eclipse, Rational Rose UML , JSTL and JUnit