Summary:

• Over 7 years of experience in Web Sphere Administrator on Windows and Linux environment.
• Vast experience in Installation, Configuration, upgrade and Management of WebSphere Application server, WebSphere MQ, IBM HTTP Server, Wily Introscope .
• Expertise in Administering IBM WAS 5.x/6.x/7.0/8.0, Network Deployment on various Operating Systems like RedHat Linux, SUN Solaris, AIX 5.1/5.2, , and Windows 2000/2003 Server.
• Strong experience in Administration and Maintenance of WAS ND clusters vertical, horizontal and deployment of applications in highly available, load balanced production environments
• Experience in integrating WebSphere Application Server and Deployment manager with IBM Http server, IIS, IBM Directory Server, Sun ONE Web Server, Oracle, Sybase, DB2 and SQL servers.
• Experienced in applying patches fix packs/refresh packs for WAS, IHS and Plug-ins.
• Expertise in Installing, Upgrading Fix packs and migrating to latest versions for IBM Websphere Application server.
• Well versed in implementing Web server environment and configuring secure sockets layer SSL on IBM HTTP Server and Apache Server.
• Expert in Infrastructure set up of Oracle Retail software like Retail Merchandising System RMS , Retail Price Matching RPM , Retail Integration Bus RIB .
• Expert in performance tuning, monitoring and trouble-shooting Application Servers and web servers.
• Good knowledge of Application Server security architecture, LDAP based/Custom user registries, different authentication and authorization mechanisms and SSO, and Application Server keystore and certificate management.
• Strong experience in horizontal/vertical clustering and high availability and load balanced configurations.
• Extensive knowledge of WebSphere PMI and Performance Monitoring using Wily Introscope.
• Delivered and managed various development, testing/QA and production environments for existing systems and new projects.
• Extensive experience supporting the system operations of large scale applications running on a hybrid platforms
• Monitor and tune platforms to ensure expected availability and performance levels are achieved.
• Perform root cause analysis for service interruption recovery create preventative measures and present to management.
• Experience in providing 24x7 datacenter support and involved in periodic on call rotations.
• Experience working with vendors to Research and Analyze new products and played a significant role in decision making regarding acquisition of new software.
• Experience working with multiple vendors and coordinating tasks to successfully implement and deliver multi million dollars, multi phase project

Technical Skills:

Professional Experience:

Confidential

Responsibilities:

• Installation, Configuration and Administration of IBM WebSphere Application server v7.0/8.5, IBM HTTP Server v7.0/8.0 on Linux and AIX servers.
• Created Clusters and Cluster Members in WebSphere for load balancing and failover.
• Creating JDBC Providers, Data sources and JAAS authentication aliases in order to provide connectivity to backend Oracle database.
• Enable the Global Security in WAS Admin console for users groups.
• Monitoring the performance of WebSphere Application server using Tivoli Performance Viewer by enabling PMI Modules.
• Troubleshooting on issues such as out of memory, memory leaks, hung sessions and session replication, federation of nodes and synchronization of nodes with NDM.
• Document the Sev1 and Sev2 tickets as part of Prod Support and place them in eroom repository.
• Deploying Several Application codes .EAR files to SIT/TT/Training/UAT/Performance and Prod Environments on a daily basis and providing 24/7 on-call production support.
• Proficient in monitoring WebSphere Application Server using WILY in Production stage.
• Provided High level clustering Horizontal/Vertical techniques with Round-Robin method, load balancing to all the environments.
• Developed startup and shutdown scripts for the WebSphere App servers.
• Well versed in writing korn-bash UNIX Shell Scripts and run them as scheduled Cronjobs.
• Developed Unix Shell,ANT scripts to Administer and Automate batch job scheduling including backup and recovery processes.
• Package, build, Integrate and deploy enterprise J2EE applications on WebSphere Application Server that involves EAR Enterprise Archives and WAR Web Archives .
• Work with IBM Product House on problem determination, and resolution for the issues related to Applications.
• Experience in using Garbage Collection, Tivoli Performance Viewer, Resource Analyzer, Log Analyzer, Wily Introscope, Thread Dump Analyzer, Heap Analyzer, and upgrades are also done.
• Interacted with clients and provided all the necessary information on what is required for Application for using MQ.
• Experience in Installing, Configuring and Administering MQ 5.3/6.0 on different Environments.
• Created and Configured MQ series objects like Queue Manager, Queue and Channels.
• Migrated the complex Messages Flows and Message Sets from and WBI MB 5.x to WBI MB 6.0.
• Troubleshooting and Managing MQ Series queues, channels, listeners and triggering.
• Monitored for application core dumps, or forced thread dumps to check for system objects using Thread Analyzer.
• Performance tuning of the web application using the Tivoli performance monitor and the turning on the garbage collector parameters. Worked closely with the development team in resolving the memory leakage issues in the web apps.
• Worked closely with Project manager, development, testing and production team to align project deliverables, dates and report issues/concerns and experience in operational 24x7 support.

Environment: IBM WebSphere Application Server ND v7.x/8.0/8.5, MQ 5.3/6.0, IBM HTTP Server v7.0,Apache webserver, Linux, AIX 5.3, LDAP, Oracle11g, TIBCO ESB, JIRA Ticketing tool, Remedy Change Management Tool, JDK1.6, UNIX Shell scripting.

Confidential

IPS Integrated Production Support .

Responsibilities:

• Responsible for configuring, Maintaining and troubleshooting the Websphere Application Server 6.0/6.1 environment and IBM HTTP server 6.1/7.0, Apache Tomcat 6.0 on AIX and Linux platforms.
• Set-up new QA and PROD environments by creating and managing the Nodes, Application Servers, and horizontal Clustering for Load Balancing and Fail Over.
• Worked as a WebSphere Administrator and implementing solutions for Customer Satisfaction and Monitor applications.
• Build, deploy, and administer applications in WAS and Webserver environments.
• Installed and Configured IBM Websphere Application Server, JDBC Drivers and Servlet Engines along with troubleshooting and recovery on AIX, Solaris and Windows.
• Set-up security permissions in Websphere environments to authenticate against LDAP servers to access Websphere consoles and secure it using SSL.
• Configured database resources like JDBC Providers, Data sources, and security resources like JAAS authentication J2C aliases in order to provide connectivity to Oracle, DB2.
• Used Tivoli Performance Viewer TPV and HP Diagnostics to identify performance bottlenecks including application memory leaks, server process degradation, database connections, http threads, etc.
• Tune databases resource configurations including connection pooling, timeouts, etc.
• Troubleshoot problems with Websphere websites in all environments including Production using knowledge of the end-to-end architecture, log files IHS plug-in and Websphere log files .
• Responsible for research and implementation of latest software and fix packs for Websphere Application Servers and some development tools.
• Worked with Load testing team, sysadmin team to identify performance bottlenecks using LoadRunner, HP Diagnostics, and Tivoli Performance Viewer.
• Troubleshooting Admin Server start-up issues, Java code defects after deployment, and classpath issues by checking the JVM logs, plug-in logs and the web server logs.
• Working on high priority, critical tickets in pre-production environments to determine investigate diagnose and find out the root cause of the issues.
• Generated Propagated plugin-cfg for web servers and troubleshooted plug-in regeneration problems.
• Performed routine management of WebSphere Environment like monitoring Disk Space, CPU Utilization and resolved dynamic cache problems.
• Strictly followed the change control procedures for production environment changes.
• Worked with different teams Application, Database, Networking, UNIX teams in investigating the root cause of the issues and finding out the permanent fix to the issues.
• Used SharePoint document libraries and lists for document management and for intranet activities.
• Responsible for identify source and severity of problems include debugging and diagnosing issues and directing them to the proper client support team and transfer resolution knowledge to other technicians who are having assigned ticket.
• Created IBM PMRs and worked closely with IBM for resolving multiple issues.
• On-call support 24x7 , Monitoring and maintaining multiple Applications running on IBM WebSphere Application.

Environment: IBM WebSphere application Server 6.0/6.1, IBM HTTP Server 6.1/7.0, HP Diagnostics, LDAP, Java, J2EE, JSP, Servlets, EJB, JDBC, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, Linux, AIX 5.3/5.2, HP Service Manager, Splunk.

Confidential

BOF Business of Future

Responsibilities:

• Installed and Configured WebSphere Application Server 5.1/6.0 on Windows and Linux.
• Configured and maintained WebSphere Application Server 5.1/6.0 on Linux.
• Helped the team in migrating the applications from WebSphere Application Server 4.0 to WebSphere Application Server 5.1 and 6.0.
• Defined Servers and Server Clusters in networked PC's
• Provided WebSphere Application Server Administration, Configured Global Security and Administrative Security
• Installed ITDS, Configured users and Mapped the administrative roles to the user groups
• Installed and Configured IBM HTTP Server on managed and unmanaged nodes, and installed plugin to route the request the to application server cluster environment
• Secured the communication channel between Client and WebServer, WebServer Plug-in and Web Container.
• Configured the Dynamic Cache services on the web container
• Installed and Configured Load Balancer to remove SPOF on WebServer.
• Used JDBC adaptor to connect to ORACLE 10.
• Designed and Developed Entity Beans to extract data from the database
• Deployed and Tested Enterprise Application Archive files on WebSphere Application Server
• Defined JMS resources, Mapped web modules to the Web Servers, defined Deployment Descriptors
• Mentored users on various aspects of WebSphere administration.

Environment: Web Sphere Application Server 6.0/5.1, Visual age, Apache Axis, DB2 9, IBM HTTP Server, EJB, Java, Servlets, JSP, XML, JNDI, Load runner, SOAP, JNI, MQ Series, MQ Integrator MQSI , J2EE, JMS, MVS, JCL, JavaScript, Windows NT, Linux, SUN Solaris 9 UNIX .