- Over 8 years of experience in the maintenance of the IBMWebSphere Application Server on IBM AIX, Solaris, Redhat Linux, Windows NT platforms and setting up the Development, QA, Staging and Production environments.
- Experience in installation, configuration, deployment and management of Enterprise Applications in a clustered and non-clustered environment using IBM WebSphere Application Server 5.0/6.0/6.1/7.0/8.0.
- Experienced in WSadmin scripts to manage WebSphere Application Server configuration. Creating, configuring and administrating profiles, clusters, nodes, node agent and node groups for WebSphere Application server.
- Strong experience in Administration and Maintenance of WAS NDclusters vertical, horizontal, and hybrid and deployment of applications in highly available, load balanced production environments
- Experience in using Tivoli Performance Viewer, Log Analyzer and Wiley for WebSphere 5.0/6.0/6.1/7.0/8.0.
- Experience in configuration and troubleshooting issues related to Clusters in WebSphere 5.0/6.0/6.1/7.0/8.0environment.
- Expertise in configuring JDBC providers, Data Sources, Virtual Host, SSL and Global security LDAP for IBM WebSphere Application Server.
- Expertise in implementing Work Load Management WLM in horizontal and vertical clustering and cloning in IBM WebSphere Application Server Network Deployment.
- Extensive knowledge and experience in upgrading JVM's, applying patches and recommending necessary security fixes.
- Experience in troubleshooting, applying patches and plug-in for WAS 5.0/6.0/6.1/7.0 /8.0
- Experience in web server administration, which includes installation, configuration and troubleshooting of IBM HTTP, IIS, and Apache server.
- Experience in WebSphere Commerce Server Administration where the responsibilities mainly includes the operation of the Unix/Linux based IBM WebSphere/WebSphere Commerce/JBOSS environment and ensuring the day-to-day operations of the environment architecture including installation, configuration, administration, monitoring, capacity planning, operational services and integration of enhancements and development efforts that pertain to the environment.
- Experience in design, implement and maintain integration systems infrastructure including fault tolerance and high availability solutions. Design and develop Integration solutions based on IBM Message Broker and MQ technologies. Install and configure IBM Websphere MQ, Message Broker and WBI Adapters on Unix and Windows based environments. Work with project teams to gather requirements to provide estimates, designs and solutions. Performance tune Websphere MQ and Message Broker. Work closely with the development teams to administer load testing and monitoring.
- Working experience with relational databases like DB2, ORACLE, and SQL Server.
- Configured Plug-ins, Virtual Hosts, and Host Aliases and SSL certificates through ikeyman.
- Hands on experience in securing administrative server using Authentication, Authorization, User registry, WebSphere Resources.
- Excellent organizational and analytical abilities teamed with effective oral and communication skills.
Windows 2000/2003/XP/Vista/7, Windows Sever 2000/2003/2008, Solaris 10/9/8, AIX, Linux RedHat, Ubuntu .
C, C , Java, J2EE, SQL, PL/SQL.
IHS 6.0/6.1, IIS, Sun One Web server 6.0/6.1, Tomcat 4.0, IBM WAS 8.x/7.x/6.x/5.0.x, Apache Tomcat 7.x, Jboss.
HTML, CSS, XML, Java Script, JSP, Jython, XMLConfig/XSL.
TCP/IP, HTTP/HTTPS, SOAP ,RMI/IIOP, Telnet, SSH, SSL, Flat File, JDBC, FTP, SFTP.
Oracle 10g/9i, IBM DB2 , SQL Server 2005/2008.
Sr. WebSphere Administrator
- Installed, configured, and maintained IBM Http Server, WebSphere Application Server Network Deployment ND , 5.1/6.0/6.1/7.0/8.0. Created profiles using Profile Creating Wizard and silent profile creation.
- Migrated existing applications from WebSphere V6.x to V8.x.
- Migrated the automated deployment process, wsadmin scripts for production/Test/Development from WebSphere Application Server ND 6.x to WebSphere Application Server ND 8.x.
- Installed the Refresh Packs and cumulative fixes to WebSphere ND V6.x environment, for WebSphere, plugins and IHS.
- Experience in deploying the applications both from the command line using WSADMIN commands and from the admin console.
- Created the Clustering Topology in WebSphere Application Server ND V6.x/ 7.x/8.x to achieve Work Load Management WLM , High availability, Load Balancing and Hardware fail over.
- Configured Web server plug-in to directing dynamic requests to application servers for load balance in clustered environment.
- Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN.
- Involved in configuring WAS with Security Appliances such as LDAP.
- Configured WebSphere resources like JVM heap settings, JDBC providers, JDBC data sources, connection pooling, Virtual Hosts, Global Security and SSL.
- Coordinating with various teams to set up databases, set up load balancer CSS load balancers rules, and defines rules on the firewall when IBM Http Server is in the De Militarized Zone DMZ .
- Knowledge of WSADMIN Jython scripts using in order to automate the process of WebSphere deployment and configuration. Working Knowledge in using WSADMIN AdminConfig, AdminApp and AdminsTask commands.
- Experienced in Performance tuning such as tuning the web server by specifying the parameters for the maxclient, start servers and maxspareservers. Tuning the database connection pool settings. Tuning the Java Virtual Machine JVM by specifying the minimum and maximum heap size.
- Installed and configured IBM MQ Series on AIX, creating Queue connection factories, Topic connection factories and JMS Activation Specification's for MDB's in coordination with WebSphere MQ.
- Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, and Connection Pool sizes.
- Knowledge of Wiley for monitoring the performance and for troubleshooting of WebSphere environment.
- Troubleshooting Admin Server start-up issues, Memory leaks, Java code defects after deployment, and class path issues.
Environment: WebSphere Application Server V6.1,/7.0/8.0, JBoss Application Server v4.2, Apache 2.0.47, IHS 6.0/6.1, AD, ADAM, Tivoli Access Manager, UML, XML, SQL, Java, DB2/UDB 8.2, Oracle 9i/8i/7i, Korn Shell KSH Script, WSCP, JACL and Jython scripts, CSS Load Balancer, TPV, Wily Introscope 6.x, IBM AIX 5.x/6.x, Windows XP, RedHat Linux AS 3.0, TCP/IP
Sr. WebSphere Administrator
- Installation, Configuration and Administration of IBM WebSphere Application Server 7.x, Weblogic 8.x version on AIX, Linux and Windows Environments.
- Used WebSphere Admin Console and wsadmin-jython/jacl scripting to install and update enterprise EAR.
- Wrote Jython/jacl scripting for start/stop clusters, servers and for auto deployments.
- Installed, configured and propagated IBM HTTP server and its Plugins for managed and unmanaged nodes
- Configured WebSphere Application Server on multiple platforms for both horizontal and vertical scaling and administrated the large environment.
- Configured Web logic to produce and gather garbage collector logs, JVM performance metrics, and the use of profiling data to leverage from Session and State beans for different aspects of the application.
- Involved in problem tracing, performance tuning, trouble shooting of problems related to the applications deployed on Web Logic Application Server.
- Created Data sources and connection pool properties for DB2 and SQL server databases.
- Implemented security for the WAS environment and Authorizing and authenticating the users.
- Implemented SSL for the WAS environment, Installed VeriSign certificates for securing the communication.
- Deployed IBM Tivoli Access Manager for e-business, and configured connections to Directory server for secure user authentication
- Configured MQ/JMS for interaction between the applications internally.
- Analyzed the application performance using Tivoli log analyzer, j-probe software's.
- Configured and maintained SSL connections between Policy Server, WebSEAL, and LDAP user registry for secure communication
- Configured the JDBC resources and created the connection pooling with respect to the database oracle, DB2 .
- Worked with Development team to deploy application in to WAS and worked with DBA team to configure data source for the application and get the issues resolved.
- Experience using monitoring tools IntroscopeandPatrol .Coordinate with Introscope and Petrol admin team to monitor specific errors that need to monitor.
- Resolved memory leakage problems by analyzing heap and core dumps by enabling Verbose GC.
Environment: IBM Web Sphere Application Server 8.0/7.01/5.1,WebLogic8.x, DB2, SQL server, AIX, Linux and Windows 2008/2003, TPV, j-probe, loganalyzer Java 1.6, IHS 7.0/6.1
- Supported an eBusiness Website and provided the development, testing, staging and production environments to the new application development and implementation.
- Installed and configured IBM WebSphere Application Server 6.x/7.x//8.x, JDBC drivers and Servlets engines on AIX, Linux Sun Solaris and Windows, also created user roles and groups for securing the resources using local operating system authentication.
- Installed and configured IBM HTTP Server 126.96.36.199/6.0.
- Involved in configuring the WebSphere load balancing utilizing WebSphereWorkload Management including horizontal scaling and vertical scaling.
- Involved in trouble shooting and performance tuning using Resource Analyzer and Log Analyzer
- Created SSL certification and CA certification using IPMAN.
- Handled the maintenance of the WebSphere Application Servers on different UNIX platforms and setting up the development and testing and staging environment for the ongoing application development.
- Achieved Work Load Management by creating Clusters in WAS 6.x.
- Followed Support Procedures, received live calls from customers and performed initial PD/PSI by searching databases for rediscovery or similar problems and/or analyzing system problems.
- Assisted customers with setting proper Priority/Severity of problems, work problems to resolution, recorded/documented actions in databases as well as utilized tools and resources.
- Responsible for the debugging of the application problems while developing the application.
- Installed and configured iPlanet Web server and created user roles and groups for securing the resources using local operating system authentication.
- Troubleshot hardware and software problems, and interacted with IT staff or vendors in performing testing, support and troubleshooting functions.
- Provided recommendations on environment standards, product leveling, performance tuning, new project consulting, recommend broadened usage of WebSphere functionality.
Environment: IBM WebSphere Application Server 6.x/7.x, , IBM HTTP Server 1.3.x/2.0.x, iPlanet 6.1, AIX 5.x, Siteminder 6.x, Solaris 2.8, Windows 2000,IBM Directory Server 5.1, IBM WebSphere Studio Application Developer WSAD WTE 5.1.1, MKS, HTML, Java Script, XML, JSP, Servlets, ANT.
- 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 WebContainer.
- Installed and Configured Load Balancer to load balanceWebServer.
- 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
- Worked with internal teams and IBM support during troubleshooting and problem determination.