SUMMARY

Have 8 years of experience in Information Technology which includes WebSphere Application Server and, Unix Administration, J2EE Development, Backup and Recovery, Security Management and pre, post Installation troubleshooting experience. Enjoy troubleshooting, ongoing challenges and continuous learning of new systems and software.

EXPERIENCE SUMMARY

• Particular strengths in administering WAS 8.5/8.0/7.0/6.1/6.0/5.0/4.1, WebSphere portal Server 6.1/6.0/, , WMQ 7.0,6.0, 5.3,SUN ONE Directory Servers, Web Servers IBM HTTP Server 8.5/8.0/7.0/6.0, SUN ONE Web server 6.1,4.1, IIS, Apache Web Server CA e-trust Siteminder.
• Extensive experience in driving the effort for major migrations which included WAS 5.1, 6.1 and 7.0 to 8.0.
• Much experienced in providing HA solutions for WebSphere.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on both UNIX and windows platforms.
• Good experience in virtualization environment including VMware ESX, VSphere and Virtual Center.
• Considerable experience performing day-to-day operations like deploying portlets, creating pages, exporting configurations, and configuring access control using XMLAccess utility.
• Experience transferring WebSphere Portal Server configuration data from cloudscape to DB2 and Oracle databases using command line interface and configuration wizard.
• Had worked on securing WebSphere Portal Server with IBM Tivoli Directory Server and Sun One Directory Server on both WPS V6.1.0.2 and WPS V5.1.0.4.
• Configured Enterprise Service Bus ESB and Service Integration Bus SIBUS in WebSphere 6.0.
• Well versed in different stages of implementing the workload Management WLM and failover using vertical, horizontal and hybrid clustering for efficient use of resources on single and multiple machines.
• Experienced in using F5 Big-IP Hardware Load Balancers v9 and with Cisco ACE load balancer.
• Experience in setting up Single Sign On for J2EE applications in WebSphere Portal and WebSphere Application Server using Tivoli Access Manager and WebSeal junctions.
• Experience with issue management tracking tools and change management tools.
• Configured and administered JDBC Connection pools, JMS Connection Factories, queues and topics and implemented other services like JTA, JNDI and SNMP.
• Good Understanding of WAS concepts including workload management, session management, heap dump, and thread analysis.
• Understanding of ITIL concepts including Incident, Problem, change, Configuration, Release Management.
• Experience with drawing architectural, topology, diagrams through Visio.
• In depth knowledge of IP, network management platforms bridging/switching and routing necessary for supporting the production environment.
• Configured web Server Interfaces, Session Management, Virtual Hosts and transports for WebSphere Application Server.
• Experience with various LDAP repository for WAS security Active Directory, Sun LDAP and Tivoli Directory Service .
• Familiar with java EJB design patterns and Service Oriented Architecture SOA .
• Good knowledge on Web Services, SOAP, XML, XSLT and UDDI.
• Experienced in the maintenance of the WebSphere Application Servers on different UNIX platforms and setting up the development, testing, and UAT and production environments.
• Experience in problem tracing, log management, scripting to invocate problem-determination actions involving diagnostic traces and thread dumps.
• Involved in creating and managing WebSphere Environmental variables for Data Sources and JDBC Driver paths and other creating shared libraries and references.
• Applied Fix packs/e Fixes/ Refresh packs/ Feature packs for WAS using Update Installer and update.sh and automating it.
• Developed many WSCP/jacl/jython/shell scripts to automate the maintenance process.
• Monitoring and tuning using Tivoli Performance Viewer and Wily Introscope and tracing the transactions during Mercury Load Runner load tests.
• Extensive knowledge in developing PL/SQL scripts as part of J2EE application support.
• Monitored JVM and application stats using Wily and used the stats to tune the performance.
• Extensive experience in configuring and managing security realm for users and groups.
• Excellent debugging skills in a complex environment including 3-Tiered, clustered environments.
• Provided 24x7 production support, best practice trouble shooting, monitoring, capacity planning, performance tuning, naming standards, security and maintenance.
• Well experienced in resolving the Severity/Priority 1, 2 3 issues in a timely fashioned manner.

TECHNOLOGIES

• Operating System: SUN Solaris 7, 8 Intel Sparc , IBM AIX 5.2,5.3 7.1, Red Hat LINUX, Microsoft Windows 2008,2003 Server, 2000 Server, XP, NT 4.0.
• Platforms/Tools WebSphere Application Server 8.5/8.0/7.0/6.1/6.0/5.x/4.0.x,Weblogic 9.2,10.3,Wily/CA Introscope 4.0, 5.3.1 7.0, Netegrity Site Minder, CVS,Oracle Database 8i/9i/10g,Microsoft IIS 7.5,7.0, SUN iPlanet Web Server, Sun One Web Server 6.1,4.1, Apache 2.0 Web Server, Apache Tomcat Server, Veritas Volume Manager, MS Exchange Server 2000/2003, MS Outlook, Lotus Notes, MS Office Suite,Veritas Backup Exec, Symantec Anti-Virus Corporate edition, Symantec Enterprise Security Manager ESM , BMC Remedy Action Request System, Peregrine Enterprise management client, LDAP,vmware.
• Scripting UNIX Shell Scripting ksh , JACL, Jython, XMLConfig /ANT/ Shell Scripts WLST, HTML, XML, Java Script, Servlets, JSP, C, C .
• Hardware Sun SPARC Enterprise M5000 Server, SUN Fire 4800, 880, E2900, V440, V480, V490, V280, E2900, F5 Big-IP Load Balancers, IBM p5 Series 570, 575 Servers, IBM PC and Compatibles.
• Networking Ethernet, WI-Fi 802.11 b/g , TCP/IP, DNS, DHCP, CCNA, Microsoft Active Directory Services, MS IIS Web Server, JDBC.

EXPERIENCE

Confidential

Role: Sr. WebSphere Administrator

Responsibilities:

• Responsible for installation, configuration and administration of WAS 7.0, 6.1, 8.0 and v8.5 on Windows, AIX and Redhat for highly available environments.
• Configured WebSphere container resources JDBC, JMS, JNDI, J2C Alias etc.
• Migrated applications running on AIX to Solaris and also migrated the applications from version 5.1 to 6.1 and 7.0 to v8.5. Responsible for maintenance and support of internet and intranet applications running on AIX, Solaris and Windows operating system. Configured and deployed web applications on multiple servers.
• 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 Site minder WebSphere Agent.
• Worked with networking team for creation of VIP'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 updating of data sources, log path 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 Site minder.
• 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 WebSphere AppServer 8.5,8.0,7.0,6.1,5.1,4.0,AIX,Windows2000,DB2,Oracle, IBM HTTP Server ,IBM Support assistant ISA 4.1,5.0, sun one6.1, Windows Server2008, Solaris10,vmware ESX server,Tivoli directory server, MQ 7.0,6.0,site minder, F5 Big-IP Load Balancers, BMC Remedy Action Request System 7.0, veritas, Wily/CA Introscope7.2Apache,iplanet,Sun one LDAP 5.2.4, LDAP v 2/3, Netegrity, Site Minder, Policy Server 5.5/6.0,Microsoft Active Directory.

Confidential

Role: Sr. WebSphere/Portal Administrator

Responsibilities:

• Maintenance of the WebSphere and Portal servers on different UNIX platforms and setting up the development and testing and staging environment for the ongoing application development.
• Responsible for upgrading WebSphere Portal Server environment from 5.1.0.4 to 6.0.1.1 by applying fix packs, refresh packs and fixes
• Middleware Engineering Lead for Regular Maintenance Updates OS Patches, Security Patches, Middleware Patches, and OS/Middleware Upgrades.
• Clustered WebSphere Portal Server in a multi cluster environment using horizontal scaling on both WebSphere Portal Server V5.1 and V6.0
• Used WebSphere Process Server to evaluate its capabilities in a WebSphere Portal environment.
• Configured Dynacache with WebSphere Portal Server JVMs to increase the performance on WPS V5.1
• Integrated WebSphere Portal Server with Site minder TAI Trust Association Interceptor to perform authentication and authorization to portal.
• Configured Web Content Management to manage the creation, approval and publication of web content.
• Configured custom login and logout pages for the WebSphere Portal Server environment.
• Configured WebSphere Portal Server with portal, like minds, feedback, member manager, release, and customization and community databases.
• Responsible for administering, maintaining and configuring a 24 x 7 highly available, multi-clustered, production portal environment
• Implemented security policies, Enabled security on components and configured LDAP and SSL.
• Provided third level technical escalation for problem resolution or circumvention of application deployment issues and Middleware component issues in Web Hosting environments.
• Installed and configured IBM WebSphere Application Server 5.0.x/4.0.x, JDBC drivers and Servlets engines on LINUX.
• Configured IBM HTTP Server by creating DNS alias names, assigning ports, transporting and pointing multiple plug-in files to serve various instances in same node.
• Efficiently handled Work Load Management for load balancing and failover, improving performance, reliability and scalability.
• Successfully resolved issues with the DB2 data sources and connection pooling.
• Involved in monitoring, trouble shooting and performance tuning using Wily 5.x monitor, Tivoli performance viewer, and Thread Analyzer.
• Installed and applied fix packs, patches and e-fixes for WebSphere Application Servers.
• Provide inputs to the Database, Diamond and Quest teams to resolve WebSphere and database communication issues.
• Provide architectural and design inputs to support Enterprise Data Center migration and Disaster Recovery efforts.
• Designed and implemented J2EE application monitoring solutions using Candle and Site scope.
• Designed and architected solutions around IBM HTTP Server and iPlanet Web Server.
• Worked on capacity planning, performance tuning, sizing, and automation of WebSphere6.1, WebSphere 6.0 and WebSphere 5.1 Application Servers.
• Significant experience with design, administration, installation and configuration of around 200 J2EE applications on WebSphere 5.1.1.13, WebSphere 6.0 and WebSphere 6.1 Application Servers.
• Worked on migrating application configurations from WebSphere 5.1.x and WebSphere 6.1.x
• Worked on the administration, installation and configuration of IBM WebSphere Portal Server 5.1 and 6.0 in a clustered environment.
• Worked on WebSphere Security and Trust Association Interceptors for WebSphere Portal Server and Netegrity Site minder.
• Designed performance monitoring solutions using Wily's Introscope tool, HP Diagnostics, Tonic and Quest.
• Automation of administration using WSAdmin, WSCP, XMLConfig, XMLAccess and WPscript utilities.

Environment: IBM WebSphere AppServer 7.0,6.1,6.0, WebSphere portal 6.1, web sphere, MQ 6/5.3, IHS 8/6/2.0.47, Linux Red Hat, SuSE , AIX, Windows 2000, DB2, IBM HTTP Server,sunone, Solaris 10,vmware ESX server, BIG-IP V9,wily introscope, Tivoli directory server, MQ 5.3,6.0,site minder, BMC Remedy Action Request System 7.0,sum,emc,veritas,visio, HTML, EJB, JSP, JDBC, ISA, DB2, Mainframe, TAM, jacl, jython, XML.

Confidential

Role: WebSphere Administrator

Responsibilities:

• Installed, configured, administered and supported WebSphere Application Server 5.1.1, 6.0 on Sun Solaris Sparc, Linux RedHat, and AIX environments.
• Configured the Web Server interfaces, session management, virtual hosts and transports for WebSphere Application Servers.
• Experience with WebSphere MQ 5.3 and 6.0 and Created MQ queue and Channels.
• Installed and configured IBM HTTP Server 1.3.6, iPlanet 4.1, JDBC drivers and Servlet engines on UNIX and Windows machines.
• Monitored WAS logs for application errors and notified development accordingly.
• Created and Modified queue managers and created and modified queue manager objects as queue, channels, Name lists, etc.
• 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.
• Involved with WAS and DB2 integration.
• Responsible for installation and configuration of vmware esx server 3.5.
• Implemented dynamic caching for the applications in websphere 6.1.0.1.
• Configured Execute Threads, Connection Pools and JMS Bridges etc. for different components of the retailed applications.
• Responsible for developing Single-Sign On SSO using JAAS framework in Siteminder for multiple applications in single and multiple cookie domains.
• Installed IBM Http Server 2.0.47 and configured it with WebSphere Plug-ins to work with WebSphere Application Server.
• Applied fix packs and cumulative fix packs to upgrade the WebSphere Application server versions.
• 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 Jython scripts to automate the WebSphere Administration recycling the application server, deploying customer applications, logs rotation, monitor applications state, etc .
• Used Resource Analyzer and Log Analyzer for performance tuning and troubleshooting.
• 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.
• Actively monitoring of all the servers in production and staging environments and fixing any issues with the servers.
• Installed, configured, administered and supported JBOSS on RedHat Linux Environments.

Environment: IBM WebSphere 5.0.x/5.1.x, JBOSS 4.x, IBM Http Server 2.0.x, Solaris 5.8/5.9,Windows NT/2000, Linux RedHat , XML, Oracle9i, DB2 8.1.x., Site Minder 6.0, vmware esx 3.5, Sun One Web Server, 3120 Storage Arrays, F5 Big-IP Load Balancers v9, Symantec Enterprise Security Manager ESM 6.5, BMC Remedy Action Request System, Oracle 9i/10g, Veritas Volume Manager, DNS, DHCP, Wily/CA Introscope 4.0/5.3.1/7.0,IBM MQ Series.

Confidential

Role: Middleware Engineer

Responsibilities:

• Installed, configured, administered and supported WebSphere Application Server 5.0 on Solaris and Windows.
• Implemented the Clusters/Server Groups and Cluster Members /clones Vertical scaling horizontal scaling for fail over and distribute the workload on WAS.
• Integrating enterprise-wide J2EE applications and deploying them on WebSphere Application Server and managing them through WebSphere administrative console.
• Worked with Remedy ticketing system.
• Created user roles and groups using Local OS registry and secured WebSphere resources.
• Configured JDBC drivers, Data sources on WebSphere Application Server 5.0.
• Involved in creating UNIX shell scripts, JACL scripts which automates the WebSphere Administration bouncing the application server, deploying enterprise applications, logs rotation, monitor applications state, etc .
• Used Resource Analyzer and Log Analyzer for performance tuning and troubleshooting.
• Installed fix packs and cumulative fixes to upgrade the version of the WebSphere Application Server 5.0.
• Monitoring all Servers, shutdown and startup, Network Support and Troubleshooting.
• Responsible for tuning the JVM to suit the specific application needs.
• Installation of SSL certificates for the WebLogic clustered environment.
• Designing and implementing the Application, Database Fail-Over strategies.
• Providing 24x7 production support in a Java environment including management of SLA's and following escalation procedures.
• Involved in applying patches for application Server, SUN Solaris, and Apache Web Servers.
• Provided application support in all environments ITE/DEV, QA/UAT, Training, and Production .
• Deployment of various application packages including JAR, WAR, EAR and properties using custom scripts in Development.
• Involved in performance and regression testing of the application in the testing environment.

Environment: WebSphere 4.0.x/5.0.x, IBM HTTP Server 1.3.x, iplanet 4.x, Java, EJB, Java Servlets, JSP 1.0, Solaris 8, Windows NT/2000, Oracle 8i,SUN Solaris 8/9,IBM AIX 5.2,, Apache Web Server 2.0, Oracle 8i/9i, Microsoft Windows 2000, 2003 Server, Microsoft Active Directory Services, DNS, DHCP, NIS, NIS , NFS, Wily Introscope 4.0, IBM MQ Series.

Confidential

Role: Java Developer

Responsibilities:

• Involved in development of GUI Using HTML, JSP, and Java script.
• Involved in creating components for isolated business logic.
• Involved in gathering of the user requirements and functional specifications.
• Involved in the Design and Development of JSP pages as Clients to Session Bean Stateful .
• Involved in Knowledge Transfer and code review with all the developers
• Developed SQL queries and stored procedures for implementing the business logic.
• Developed the Use case, Sequence and Class diagrams using Rational Rose Enterprise.
• Designed HTML, JSP's for front-end templates.
• Finalize the design specs for the new system.
• Involved in design, development and maintenance of the application. Performed unit, integration and performance testing, continuously interacted with Quality Assurance group.
• Developed Traceability Matrix, Unit Test Plans and done EQA External Quality Assurance, IQA Internal Quality Assurance , FI Final Inspection

Environment: Eclipse, JDBC, JavaSwings, Servlets, Tomcat 5.0, J2SE, J2EE, EJB, JSP, UML, DB2, ANT, JUnit.