SUMMARY

• Over 7+ years of experience in Information Technology which includes WebSphere Application Server Administration, Unix Administration and level 3 technical support on AIX, Solaris, Linux and Windows environments. Backup and Recovery, Security Management and pre, post Installation troubleshooting. Enjoy troubleshooting, ongoing challenges and continuous learning of new systems and software.
• Installation, configuring, maintenance, upgrades, and troubleshooting of IBM WebSphere Application Server 5.0./5.1/6.0/6.1/7.0 Network Deployment, Embedded JMS Server, WebSphere Portal Server V5.0/5.1/6.0, WebSphere MQ 5.3/6.0.
• Experience in Installing, Configuring and Administering Web Servers like 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 tools, including Tivoli Performance Viewer,Wily 5/6andSite 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 inDNS,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.
• Experiencedinmost of theWebSphere administration tools which includeswsadmin, 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.
• 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

Operating Systems: AIX 5.x/4.x, Solaris 8.0/7.x, Red Hat Linux 8.0/7.x,9,Windows XP /2003/2000/NT 4.0

Web/Application Servers: WebSphere 7.0/6.1.0.13/5.1.1.13/5.0.2/4.0.7 , WebSphere Portal 7.x/6.x, WSRR, Websphere Process server 6.0.2.2, IBM HTTP Server 2.0.47,6.0, 6.0.2.x and 6.1.x, Apache 1.3.x, iPlanet, IIS, Tomcat 3.x., WebSphere MQ 5.3 and 6.0.WMB 5.0,ITAM.

Languages: C, C++, Java, HTML, XML, UML, HDML, SQL, PL/SQL, Shell Scripts (Korn)

Development Tools: WSAD 5.1, J Developer, TOAD, Rational Rose, Eclipse, Ration HATS

GUI Front End tools: Java Server Pages, Swing, Visual Basic 5.0/6.0,Developer 2000.

Database: DB2/UDB, ORACLE10g/9i/8.0/7.x, SQLServer6.5/7.0, Sybase.

Networking/Protocol: TCP/IP, HTTP/HTTPS, RMI/IIOP, IBM OSE and WAP (WTP/WSP), POP3, FTP, SFTP, SMTP,SOAP

PROFESSIONAL EXPERIENCE

Confidential - Tampa, FL

Sr. WebSphere Administrator

Responsibilities:

• Responsible for installation, configuration and administration of WAS 7.0, 6.1 and MQ 7.0 on HP-UX and Solaris for highly available environments.
• Configured WebSphere container resources JDBC, JMS, JNDI, J2C Alias etc.
• Installed, Configured and administered WebSphere application server 7.0.0.17/ 6.1.0.21 , and WebSphere IBM http server 6.0 on Windows 2000, AIX, and Linux and on Solaris 10 systems.
• Responsible for administering, maintaining and configuring a 24 x 7 highly available, multi-clustered, production portal environment.
• Involved in coordinating the monthly implementation plan for the migration part of the project for the applications running on 5.1 to 6.1 and audited the application migration process as and when completed by the other team members.
• 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.
• Installed and Configured Introscope Wily EM and Agent to monitor JVMs on WAS 7.0, 6.1.
• Installed and configured SiteMinder WebSphere Agent.
• Installed and configured Tivoli Access Manager 6.0 on HP-UX.
• Worked with networking team for creation of VPN’s and registration of DNS for accessing applications for high availability environments.
• Installed and configured sun one webserver 6.1 on Solaris 10.
• Developed WSADMIN scripts for updation of data source, logpath details for jvm’s and MQ resources etc.
• Developed Startup and Shutdown scripts for jvm process automation during server reboot process.
• Created J2C authentication data entries for configured data source to test database connection from WebSphere administrative console.
• 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.
• 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.
• Involved in evaluating session state failover options (memory-to-memory, database persistence and create and configures DRS (Data Replication Service) replication domains.
• Created user roles and groups for securing the resources using Local OS Registries.
• 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.
• Monitored health of the applications using WILY and also used WILY for load tests and send the load test results to the testing and application teams.
• Highly involved in SSO portal implementation using Sun One Directory Server and CA SiteMinder.
• 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 7.0.0.17,6.1,5.1, HP-UX, 11.11,AIX,Windows2000,DB2,Oracle, IBM HTTP Server, Websphere Portal 7.0,6.1, sun one6.1,Solaris10,vmware ESX server, BIG-IP V9,Tivoli directory server, MQ 6.0,site minder, BMC Remedy Action Request System 7.0, Veritas, Wily/CA Introscope7.2Apache,iplanet,Sun one LDAP 5.2.4, iPlanet, LDAP v 2/3, Netigrity, Site Minder, Policy Server 5.5/6.0,Tivoli Access Manager Active Directory, Message Broker

Confidential - Milwaukee, WI

WebSphere Administrator

Responsibilities:

• Installed WebSphere Application Server 6.0/6.1/7.0 ND and created Dmgr, Application server profiles on UNIX, Linux and windows.
• 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 and configured IBM HTTP Server 6.0/6.1, Apache and Sun One Web Server.
• Administering and maintaining IBM WebSphere Portal Server 6.x in various environments including INT, QA and PROD in a clustered environment.
• Configured Database and Security for WebSphere Application Server.
• Re-branded a WebSphere Application Server installation, Implemented virtual portals, Identified WebSphere Application Server architecture and High Availability Topologies.
• Defined WAS installation scenarios from standalone servers to clustered environments.
• Configured IBM Tivoli Access Manager Web SEAL on AIX, UNIX and Linux.
• Achieved Work Load Management by creating Clusters in WAS 6.X.
• Configured the WebSphere load balancing utilizing WebSphere workload Management including horizontal and vertical topology.
• Handled Staging and production environments as part of the application deployment.
• 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.
• Created users and groups in LDAP Servers and mapping them to the enterprise applications running on WebSphere Application Server.
• Used LTPA for authentication for enable the global security.
• Performed migration of some of the applications from WAS 5.x to WAS 6.x.
• Wrote scripts for accessing remote Admin Servers, cleaning up logs during back-ups.
• Provided Naming Standards, Backup & Recovery and Problem Determination Strategies for the project.
• Knowledge of key Internet protocols to include TCP/IP, HTTP/S,SSH,FTP, SFTP,DNS, NTP, NFS, etc.
• Assembled and deployed the applications in staging, in productions, following change management practices.
• Production Supported tier1 and tier2 for 24X7 and also worked in shifts.
• 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.
• 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, ANT.

Confidential - Cincinnati, OH

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 CSD 08, 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 - Austin, TX

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, DB 2. 7.2/8.0/9.0 , Aix 5.3, Linux (Suse), windows Server 2000/2003/2008 , Java Script, EJB, JSP, XML, Servlets, Mercury toolset.

Confidential - Minneapolis, MN

WebSphere Administrator

Responsibilities:

• Implemented horizontal and vertical clustering, Work Load Management (WLM) to make an application Highly Available. Part of the team involved in Performance Monitoring and Tuning of Applications using IBM Tivoli Performance Viewer (TPV)
• 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
• Coordination with DBA, OSS, Security, Web Server teams. Worked on generation of tickets using Remedy
• Troubleshooting of WebSphere application server problems
• Tuning of Application Servers for optimal performance in the production environment
• Setting up security through Directory servers
• Installation, Configuration, migration tuning of Web Sphere Application server version 6.0
• Migrating application servers from version 5.0 to 6.0
• Creating profiles for deployment manager and node agents in version 6
• Enabling security and setting Single Sign on
• Applied fix packs on both base and network deployment servers to upgrade WebSphere environment to the latest level
• Configured Data Source for application on different scopes (cell, node, server and cluster)
• Configured Virtual hosts for host aliases for each cluster member
• Deployed (implemented) the J2EE Applications in clustered environments
• Enabled Tivoli Performance Viewer to monitor the performance of the application server mainly thread pools, connection pools and memory leaks
• Enabled Global Security by configuring with LDAP user registry
• Troubleshot the issues such as dead locks in connection pools
• Wrote shell script to auto start the LDAP server and Apache server at the boot time of Linux
• Wrote shell scripts to rotate apache logs and implemented as cronjob
• Redirected the old URL to the new URL on one of our sites
• Upgraded Red hat Linux Advanced Server 3 with update 1
• Involved ITCAM project at Confidential
• Involved in Installation and configuration of Managing Servers
• Application of Fix packs & ifixes
• Debugging & trouble shooting ITCAM setup issues
• Fair knowledge of using ITCAM Monitoring tool

Environment: WAS 4.x/ 5.x/ 6.x, XD, IBM AIX, HP-UX, Windows 2000, Apache HTTPD, IBM HTTP IHS Web Server, DB2 UDB 8.2, Informix, WSAM, ITCAM,BMC Remedy.

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