SUMMARY

• Over eight years of IT experience in designing, developing, administering and maintaining Web based and Enterprise Software Application in various domains like communications, Healthcare, Pharmaceutical, Manufacturing, Education, E - Commerce using C,C ++,Java,J2EE technologies.
• Extensive experience in Middleware & Infrastructure Administration in WebSphere Application Server 6.x/7.x, IBM HTTP Server 6.x/7.x, Sun web server6.x/7.x, IIS, WebSphere MQ 6.0/7.0 on Sun Solaris, IBM AIX, Linux and Windows NT/2000/2003 Environments
• Experience in setting up enterprise level internet application systems that are available 24x7 with multi-tier, clustering and multi datacenter architecture.Experience in successful implementation of Work Load Management (WLM) concepts using clustering techniques for failover/High Availability.
• Created, Configured and Administered Profiles, Clusters, Application Servers for WebSphere Application Server and deployment of applications in highly available, load balanced production environments.
• Experience in developing Perl, Jython, and UNIX shell scripts for automating WebSphere application deployments and configuration at enterprise level.
• Experienced in wasadmin scripting and troubleshooting the middleware product related issues on different UNIX flavors (Solaris, Linux, HP-UX and AIX) and Windows environments.
• Proficient in installation, configuration and maintenance of WebSphere Application Server, ND and XD, Sun One Directory Server in a heterogeneous environment.
• Installation and configuration of WebSphere plug-in for IBM HTTP Server, IIS and Sun ONE web server and managing the plug-in files on web servers.
• Configuring the Security using LTPA Token and Single Sign On Authentication Challenge, configuring Datasources for Oracle, SQL server databases, JACL scripting, plugins (external, internal, dmz webservers).
• Experienced in most of the WebSphere admin and Monitoring tools including wsadmin, backupConfig, restoreConfig, Tivoli Performance Viewer, Wily Introscope, Thread Dump Analyzer and knowledge of ITCAM
• Experience in integrating other middleware products like CA SiteMinder, LDAP, JMS, and DataPower with WebSphere
• Responsible for taking thread, heap dumps and opening up PMRs with IBM to resolve critical issues.
• Monitoring and tuning using Tivoli Performance Viewer and Wily Introscope and tracing the transactions during Mercury Load Runner load tests.
• Strong in install and configuration of JBOSS, Tomcat for intranet applications including cluster environment for JBOSS with all configuration mode.
• Assessed the direction of projects through various development lifecycles with the development team using Agile Methodologies.
• Deployments, maintenance, fix upgrades, general administration, troubleshooting and performance tuning of JBOSS.
• Involved in installation, configuration of JBOSS and JVM performance tuning in multi clustered environment.
• Maintained complex WebSphere infrastructure with more than 100 WebSphere applications hosted on several platforms like AIX, Solaris, Linux and Windows
• Sound knowledge in J2EE technologies, JNDI, JMS, JDBC, Servlets, JSP and EJB.
• Provided 24x7 production support, best practice trouble shooting, monitoring, capacity planning, performance tuning, naming standards, security and maintenance for J2EE applications deployed on WebSphere and JBoss application servers.
• Package, build, Integrate and deploy enterprise J2EE applications on WebSphere Application Server, JBoss that involves EAR and WAR.
• Skillful at troubleshooting, performance tuning and resolutions effort for Application Server ND and J2EE applications using Resource analyzer and Log analyzer.

TECHNICAL SKILLS

Operating Systems: Solaris 10/9/8, IBM AIX 6.1/5.3, RHEL 3/4/5/6 and Windows NT/2000/2003 Server

Databases: Oracle 10g/11g, MS SQL Server 8.0/9.0/10.0/10.25 , MS-Access, and DB2 7.2/8.2.

Application Servers: IBM WebSphere Application Server 7.x/6.x/5.x, BEA weblogic 9.0/10.0, Apache Tomcat 6.x/5.x/4.x and JBOSS AS 6.x/5.x/4.x WebSphere Commerce 5.6/5.6.1/6.0/7.0

Web Servers: IBM Http Server, Microsoft IIS, Apache Http Server and Sun One Web Server (iPlanet)

Messaging Servers: IBM WebSphere MQ 5.3/6.0/7.0/7.1

Portal Server: IBM WebSphere Portal 6.x/7.x

Directory Server: IBM Tivoli Directory Server 5.0/6.0, Sun One Directory Server 6.0, Netscape Directory server 5.1, Microsoft Active Directory Server.

Tools: & Others: CA Wily Introscope, Tivoli Performance Viewer, Resource Analyzer, Heap Analyzer, Thread Analyzer, Microsoft Visio, MS office, Agile Methodology

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr. WebSphere Administrator

Responsibilities:

• Installed, Configured and Administered WebSphere Application Server ND/XD 6.1/7.0 & WebSphere Process Server 6.x on Red Hat Linux platform.
• Impelemting Gold Topology in production environments for WebSphere Process Server.
• Deploying BPEL applications in WebSphere Process Server environments.
• Installing and configuring WebSphere Business Monitor 6.2 and integrating with WebSphere Process Server.
• Configuring remote CEI for WebSphere Business Monitor to pull the events for monitoring.
• Configured WebSphere LDAP Security with IBM Directory Server 6.0.
• Installed and configured the IBM HTTP Server 6.0 and Microsoft IIS (5.0 &6.0).
• Involved in RPM package installation and NFS configuration on Redhat Linux 5.
• Worked on mounting and un-mounting file systems in Linux.
• Backup management and recovery policies using Veritas Net-Backup.
• Deployed themes and skins, portlet resources in a clustered environment.
• Installed and configured IBM DB2 database and setup LDAP security to the Applications.
• Deployed the applications in Testing, Staging and Production Environments, following change management practices.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and Jacl scripts, following the change management requests.
• Managed the Security and Performance Optimization for EJB containers and Web Applications in WebSphere, IHS web server.
• Achieved Workload Management and Failover by Creating and Configuring Clusters and Cluster members for Load Balancing and High availability.
• Responsible for applying Refresh packs, fix packs and Interim packs to WebSphere Application server and IHS web server.
• Created and Managed User roles and Groups for Securing the Resources using local operating system authentication.
• Created the user lists and groups in LDAP Servers and mapped them to the enterprise applications running on the Application Servers.
• Involved in configuring SSL b/w Web Browser, Web Server & Application server and Worked with Key stores and Trust stores if any of the certificates are expired.
• Involved in Configuring Single Sign On (SSO) with Tivoli Access Manager for Websphere Application Server.
• Involved in migrating applications from WAS V6.1 to 7.0.0.0/7.0.0.3/7.0.0.5.
• Used WSINSTANCE to create multiple WebSphere instances from the command line.
• Used Tivoli Performance Viewer/Wily Introscope to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, Connection Pool settings.
• Worked with Wily Introscope dashboards for tuning the JVMs and assessed the direction of projects through various development lifecycles with the development team using Agile Methodologies.
• Monitored the health of the JVM by taking Thread Dumps and analyzing the Stack trace which helped in performing Root Cause Analysis to find out the cause of the problem.
• Performed routine management of WebSphere environment like monitoring Disk Space and CPU Utilization.
• Involved in Troubleshooting Admin Server start-up issues, Java code defects after deployment, like class path issues and errors in application properties files by checking JVM logs and Plugin-logs.
• Involved in Trouble shooting and Performance tuning using Resource analyzer and Log analyzer.
• Working with IBM in opening a PMR for inconclusive root causes, and coordinating the proposed changes with the respective teams.
• Ensuring consistent communication between WebSphere Clients, Edge Components, Web Server, Application Server(s), and Database.
• Supported applications 24X7 on-call on a rotational basis.

Environment: IBM WebSphere Application Server ND V6.x/7.0.0.x, WebSphere MQ 5.x/6.x, Oracle10g/11g, DB2, IBM HTTP Server 6, Site Minder, IBM TDS 6.2, Solaris Sparc V5.10/5.9, AIX 5.3/6.0, Redhat Linux 4/5, Windows NT/2000/2003, Microsoft IIS 5.0& 6.0, IBM WebSphere Studio Application Developer RAD6.0/(WSAD) 4.0/5.0, JDK1.6, Peregrine Change Management tool, XML,JACL and Jython scripting.

Confidential, Franklin, TN

WebSphere Administrator

Responsibilities:

• Installation, Configuration and Administration of IBM WebSphere Application Server 5.1.1.10/6.1.0.3/6.1.0.13 and WebSphere Commerce 5.6/5.6.1/6.0/7 on Solaris 10 and Windows platform.
• Administration, Install, Patch and Migration of IBM WebSphere Commerce Stack.
• Implementation of horizontal and vertical scaling of WebSphere application server for workload-management in a cluster.
• Deployment of several Enterprise Applications in a clustered environment with failover support.
• Applying patches and plug-ins for WebSphere Application Server.
• Involvement in performance monitoring and tuning by using the Tivoli Performance Viewer.
• Configuring security of WebSphere using LDAP registry (Microsoft Active Directory).
• Configured the JDBC resources and created connection pools with respect to the database.
• Performing Troubleshooting by analyzing log files using the Log Analyzer tool and also by running traces.
• Monitored for application core dumps, or forced thread dumps to check for system objects using thread analyzer.
• Maintenance of WebSphere backup scripts using Jython, Jacl.
• Applied software maintenance, program fixes and keeping the system software releases current.
• Troubleshoot hardware and software problems, and interacted with IT staff or vendors in performing complex testing, support and troubleshooting functions.
• 24x7 on-call support on a rotation basis.
• Maintenance of the local Apache and IBM HTTP web servers.
• Documentation of all procedures and any other important issues.

Environment: WebSphere Application Server 5.1, AIX, Linux, IBM HTTP web server, Jacl, Jython, Tivoli Performance Viewer, Log Analyzer, My SQL, Oracle.

Confidential, Dallas, TX

WebSphere Administrator

Responsibilities:

• Responsible for Installation, configuration and administration of enterprise applications on IBM WebSphere Application Server 6.0/6.1 Network deployment and IBM HTTP Web Server 6.0/6.1, Apache Web Server 2.0 on AIX, Linux and Windows NT/2000/2003 environment.
• Implemented Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server 6.0/6.1.
• Deployed enterprise J2EE applications on WebSphere 6.0/6.1 that involves EAR, JAR, and WAR files.
• Testing windows & Linux (Suse and Redhat) Applications and setup testing environment for Production.
• Involved in configuration of WebSphere Application Server resources like JDBC Data Sources, JDBC Providers and Connection Pooling to connect to the DB2 and Oracle.
• Responsible for troubleshooting networking issues, opening tickets for DNS changes, firewall requests.
• Worked with the Application Development team from the very beginning phase of a project to ensure that all proposed technologies and solutions have met the business requirements.
• Experience in developing and using JACL, JYTHON, ANT scripts for starting, stopping, deploying applications and configuring WebSphere Server.
• Developed scripts to handle everyday System Administration tasks such as backup procedure and system cleanup.
• Migrated applications from WebSphere 5.x to 6.0/6.1 environment.
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication. Used WebSphere Application Server key management utility, for managing keys and certificates.
• Secured the application by using Sun One LDAP, Local OS authentication and SOA.
• Associated with the full life cycle of the application.
• Deployed java applications on Apache-Tomcat 6.x in the cluster environment.
• Also responsible for installing and configuring third party software necessary to test the product such as IBM Http Server, IBM WebSphere, Apache Tomcat, DB2 etc.
• Involved in Enterprise Application Integration (EAI).
• Installation of Versata Logic Suite / Studio for Web Sphere Application Server.
• Developed integration tier using CORBA interface using Java IDL, RMI-IIOP.
• Worked with Ant Build scripts and Unix Shell Scripts for the automatic configuration of the project and deployment of jar files into the WebSphere App. Server.
• Maintained the local Apache web server running on a Solaris server.
• Documented all procedures and other important issues.
• 24 x 7 infrastructure support to all clients in testing and production environment.

Environment: IBM AIX, SUN Solaris, Redhat Linux, UNIX and Windows NT/2000/2003, WebSphere Application Server 5.x/6.x ND, IBM HTTP Server 6.0/6.1, Apache Web Server 2.0, Apache-Tomcat 6.x, LDAP, Java 1.3/1.4, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, Oracle 9i/10g, DB2 8.2, HTML, UIDP V5, WSCP.