SUMMARY

• Over 8 years experience as IBM WebSphere Administrator with ever increasing levels of responsibility and expertise in a wide range of IT disciplines specializing in Application Server (6.x/ 6.1/7.0/7.1/8.0 ) in all facets of Administration, Maintenance, Integration including Installation and Configuration
• Extensive experience in Installing, configuring, Planning, Patching, Tuning, Troubleshooting and Integrating IBM WebSphere Application Server (WAS), WebSphere PortalSever, Websphere Commerce Server, WebSphere MQSeries, JBOSS, Apache Tomcat, Apache Http Server, IHS, SunOne WebServers, TAM, Siteminder Policy Servers and LDAP.
• Maintained the WebSphere and Portal Servers on different UNIX platforms and setup the development, testing, and staging environments for application development.
• Upgraded WebSphere Portal Server from 6.0.1.1 to 7.1 by applying fix packs, refresh packs, and fixes.
• Used Wily Performance tools for monitoring and tuning the Web Sphere environment like configuring Heap size, Thread pool size, Session Management, connection pool size, etc
• Experience in deploying J2EE components on WAS 4.0/5.x/6.x/7 using AAT (Application Assembly Tool), WAS Admin Console, wsadmin/JACL/Jython, Shell scripting.
• Worked with Content Management systems like Adobe CQ5, clarity.
• Strong experience in Administration and Maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
• Configured all WAS environments to Application specific requirements JDBC, JMS, JNDI, JTA, JAAS, Web Services, Session Management, Security, Service Integration Bus.
• Experienced in migrating the applications from WebSphere V6.0 to V7.0 and WebSevers.
• Expertise in Tuning of Application Servers by Tivoli Performance Viewer like setting the dynamic cache size and setting the JVM heap size using collected Performance Monitoring Infrastructure (PMI) data.
• Expertise on different UNIX platforms such as AIX, Sun Solaris and Linux.
• Experienced in migrating the applications from Web Sphere V5.0 toV6.1 to V7.0.
• Utilized Perl and UNIX Shell scripting for administration, maintenance and troubleshooting.
• Highly experienced in integrating WebSphere Application Server ND and related Softwares including Netegrity SiteMinder, iPlanet Directory Server (LDAP).
• Extensive knowledge in WebServer administration, which includes installation, configuration and troubleshooting of IBM HTTP Servers, Apache, iPlanet.
• Highly experienced in deploying and debugging application EARs in Base and ND WebSphere Application Server providing load balanced and highly available clustering solutions.
• Experience in setting up, configuring and implementing various authorization and authentication models including LDAP and LTPA in e - commerce applications.
• Experience includes hands on expertise in Single Sign-On domain using SiteMinder, Identity Management, and LDAP.
• Skilled in root causes analysis, problem solving and conflict resolution.
• Used performance-monitoring tools like Tivoli Performance viewer, Vantage Analyzer and Wily Introscope.
• Knowledge in using Mercury Load Runner for system analysis.
• Knowledge of SSL, SSH, secure protocols, WebSphere security, overall web security standards
• Excellent Technical Knowledge in Java, Servlets, JSP, JDBC, EJB, Web Services, XML, XSL, and RDBMS Tools like SQL Server, Oracle.
• Knowledge of network protocols TCP/IP, RMI/IIOP.
• On-call Production Support (24x7), monitoring and maintaining multiple Applications in Development, QA, Staging and Production Environments.
• Ability to pickup new technologies, solve complex technical problems and multitask between different projects
• Versatile team player with ability to perform under stress.

TECHNICAL SKILLS

Operating Systems: Windows 98/NT/XP/200X, Sun Solaris7/8/9/10, HP-Unix, AIX 5.x, Linux. Redhat.

Web/Application Servers: IBM WebSphere Application Server 4.x,5.x, 6.x,7, IBM WebSphere PortalServer, IBM HTTP Server, Apache WebServer, Tomcat, IIS 5.0 and iPlanet.

Monitoring Tools: Tivoli Performance Viewer, Thread Analyzer, Wily Introscope, Log/Site Analyzer.

Languages: C/C++, Html, Java Script, Shell scripting, XML.

RDBMS: Oracle 10g/9i/8i, Sybase 11, SQL Server 2005, DB2 7.1.

Protocols: TCP/IP, HTTP. LDAP, UDDI and SOAP

Databases: Oracle 10g/9i/8i/7, IBM DB2, MS-SQL Server, MS-Access

PROFESSIONAL EXPERIENCE

Confidential, San Antonio, TX

Web Sphere Administrator

Responsibilities:

• Installed, configured, administered Web Sphere Application Server ND on AIX for multiple high profile projects
• Administered, configured, tuned, and troubleshot Web Sphere in a clustered environment.
• Installed, configured & upgraded WAS 7, 6.x, and provided extensive support in deployment, change management and application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.
• Developed and executed test plans for Web Sphere Application Server upgrade/migrations.
• Upgraded Web Sphere ND 6.0 and 6.1 with refresh packs and fix packs, migrated the applications on Web Sphere 6.1 to 7.1,8.0.
• Maintained the WebSphere and Portal Servers on different UNIX platforms and setup the development, testing, and staging environments for application development.
• Upgraded WebSphere Portal Server from 6.0.1.1 to 7.1 by applying fix packs, refresh packs, and fixes.
• Configured the web-server interfaces (plugin file), session management, virtual hosts, data sources, HTTP transports for Application Server instances and applications.
• Separated the static content from the dynamic content for better application security and performance
• Configured Web Sphere resources like JDBC providers, JDBC data sources, connection pooling.
• Tuning the JVM based on performance testing /monitored the results on Wily.
• Investigated, troubleshoot and resolved application and configuration issues.
• Install configure maintain theWebsphere Commerce WAS application Server
• Wrote Unix Shell scripts to monitor installed enterprise applications and to get information from the logs and database in the required format and other daily activities and jobs
• Used Web Sphere Admin Console and wsadmin/JACL/Jython scripting to install enterprise EAR, WAR files or for hot deployment.
• Manage, administer, & support Tomcat and JBoss application servers (J2EE).
• Had experience on Tomcat and JBoss oriented environment.
• Experience inWebsphere Commerce Upgrade and Migration.
• Created new groups and added users to those groups in LDAP for different environments.
• Provided different levels of access to different users in the Admin console as per the request.
• Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system - caching, queuing, JVM parameters, DB Connection Pooling
• Experience in using Log Analyzer and Thread Analyzer tools to analyze service logs and java core files.
• Knowledge of Java Servlets, JSP, EJB development and deployment concepts and database skills
• Performed Application-data backup & recovery, local backup/restoration of the Web Sphere Environment - configurations and applications
• Performed daily housekeeping functions, such as establishing new accounts, creating and resetting passwords, developing scripts, performing system backups and recovery, and installing software patches and updates.
• Managed shared NFS files system, mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services.
• Developed Cron jobs and Shell Scripts (tk, Jython, Perl, ksh) for automating administration tasks like file system management, process management, backup and restore.
• Extensive hands on Web Sphere Administration using command line tools like wsadmin, dump Namespace (for JNDI)
• On-call Production Support (24x7)

Environment: IBM Web Sphere Application Server 5.1/6.0/6.1/7, IBM Web Sphere MQ 5.3, IBM DB2, AIX 5.1/5.2, Sun Solaris 10/9/8,Sun ONE Directory Server 5.1, IHS webserver 2.0/2.1/6.1, Tivoli Performance Viewer, Willy Introscope 7.x, Oracle 10g, Sybase, DB2.

Confidential, Milwaukee, WI

WebSphere Administrater

Responsibilities:

• Installed, configured, and maintained IBM WebSphere Application Server ND 6.1/6.0/5.1, IBM HTTP Server, iPlanet.
• Deployed application EAR’s on WebSphere Application Server Network Deployment in QA, Staging and Production environments on a daily basis and troubleshoot various configuration and application issues
• Setup Cells, Nodes and Clusters
• Clustered WebSphere Portal Server in a multi cluster environment using horizontal scaling on both WebSphere Portal Server 5.1 and 6.0. Evaluated WebSphere Process Server’s capabilities in a WebSphere Portal environment.
• Configured Dynacache with WebSphere Portal Server JVMs to increase the performance on
• WebSphere Portal Server 5.1. Integrated WebSphere Portal Server with SiteMinder TAI toperform authentication and authorization to the portal.
• Worked with Content Management systems like Adobe CQ5.
• 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
• Performed WebSphere Configuration backup and restoration using scripts
• Responsible for troubleshooting networking issues, opening tickets for DNS changes, firewall requests.
• Maintained network and data security, maintained security compliance policies on the OS for SOX and internal audits.
• Setup and maintained NFS, NIS, and TCP/IP network, configured the systems for TCP/IP Networking with the existing LAN, setting up SSH and SCP features between SUN systems and other UNIX hosts.
• Experience inWebsphere Commerce Upgrade and Migration.
• Install configure maintain theWebsphere Commerce WAS application Server.
• Utilized skills in shell and wsadmin/JACL scripting to automate deploying, updating applications, migrating data and automating batch jobs.
• Monitoring application log files, Application Server Performance, Servlet Status, Active Sessions and DB Pool connections
• Configured MQ JMS providers.
• Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Configuring Websphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Troubleshot problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around
• 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 on-site operations support in an environment with over 200 Servers

Environment: IBM WebSphere Application Server 5.0/5.1,IBM DB2, Linux, AIX, Sun ONE Directory Server 5.1, Sun ONE webserver 6.0, 6.1, Tivoli Performance Viewer, Willy Introscope, SP3, Message Broker, Netegrity Siteminder Policy Server 5.5, 6.0

Confidential, Cleveland, OH

WebSphere Administrator

Responsibilities:

• Performance estimation and tuning for the WebSphere Application Server system.
• Worked in building, configuring and setting up Testing and Production Environments and tested and supported the project according to Business Rules and specifications.
• Installed IBM HTTP Server 1.3.26 on different nodes and configured them by generating the plug-in from NDM Administration Console.
• Configured and Enabled the Global Security System for WAS Administration for Console users and Console Groups using Active Directory Server as a LDAP User Registry.
• Involved in Creating and Managing the Nodes, Application Server’s, Cluster’s and Deployed Multiple J2EE Applications
• Setting up horizontal clusters for Work Load Management (WLM) and Failover support
• Profiled all the J2EE Application’s and worked with Application Groups in improving performance of application and possible memory leaks in application before deploying.
• Deployment of J2EE Applications involved in Creating Cluster’s for Load Balancing and FailOver, Configuring Resources like JDBC Provider, Creating Virtual Hosts, Shared Libraries, JNDI Configurations, EJB References, Creating Environment Variables, and Configuring Session Management.
• Wrote Shell scripts using ksh/bash/perl for process automation of databases, applications, backup and scheduling.
• Created vmdisks, plexes, and volumes using the volume manager according to the requirements. Replaced failed disks using vxdiskadm.
• Actively participated in resolving all the technical issues in architecture and application code.
• Installed, configured and responsible for daily maintenance of EMC Documentum Server. Creating users, setting roles, defining workflows, dump and load activities, managing performance by running daily jobs, monthly jobs etc.
• Interacted and Co-ordinate with different Application Groups for Hot Deployment and Dynamic Reloading of the Applications.
• Involved in troubleshooting and resolving problems encountered when implementing models.
• Supported, Installed and Upgraded Veritas NetBackup software on multiple Unix servers ( Solaris)
• Support/install/upgrade TSM on Unix Servers and performed pro-patching, backups, QA’s on Solaris, Linux and VMware.
• Worked on Problem tickets (PMR’s) with IBM to find effective solutions to various problems and performance issues.
• 24x7 on-site operations support in an environment with over 200 Servers

Environment: IBM WebSphere Application Server 4.0.x/5.0,IBM HTTP Server, Apache, IIS, IBM Db2/UDB, Oracle, AIX, Solaris, Windows 2000, VMware, VERITAS Volume Manager, VERITAS Netbackup 5.0, LDAP

Confidential, Jacksonville, FL

WAS Administrator

Responsibilities:

• Installed and configured WebSphere 4.0 and IBM HTTP Server on AIX, Solaris and Windows.
• Involved in the deployment of various J2EE components using WebSphere Application Server.
• Written WSCP scripting for Installation, Configuration deployment & migration.
• Creating user accounts and assigning the home directories in UNIX.
• Provide Web Sphere solutions to Enterprise and other Web Sphere groups.
• Configured NIS, NFS and Auto mount for mounting user home directories in AIX and Solaris.
• User and Group accounts administration.
• Involved in designing WebSphere Application Server load balancing and fail over by using Workload Management (WLM), horizontal and vertical scaling.
• Responsible for Web server and Application server installation, support and performance monitoring for all applications running on the company’s Website.
• Developed WebSphere Application Server regular administration tasks automated by using WSCP and XMLConfig scripts.
• Played an active involvement in monitoring server performance, network traffic to reduce performance bottleneck by enhanced performance ensuring upstream queuing.
• Applied software maintenance, program fixes and keeping the system software releases current.
• Maintaining updated documentation of all the Servers and the installed applications and patches.
• 24x7 on-site operations support in an environment with over 200 Servers

Environment: IBM WebSphere Application Server 4.0.x/5.0,IBM HTTP Server, Apache, IIS, IBM Db2/UDB, Oracle, AIX, Solaris and Windows 2000

Confidential

WAS Administrator

Responsibilities:

• Setup, Installation and Administration of IBM WebSphere Application Server 5.0 and IBM HTTP Server 1.3.26.
• Migration from WebSphere Application Server 4.0 to WebSphere Application Server 5.0
• Deployed applications (EAR/WAR) files on multiple Servers/Clusters and maintained Load balancing, High availability and Failover functionality.
• Troubleshooting and Administration of IBM WebSphere Application Server 5.0 and IBM HTTP Server 1.3.26.
• Troubleshooting Applications, analyzing logs to diagnose problems.
• Monitoring applications and servers.
• Creating PMRs (Problem Management Record) and Coordinating with IBM for problems encountered by Application Teams.
• Configured WebSphere resources like JDBC providers, JDBC data sources, connection pooling, Implemented creation of Server groups and clusters in WebSphere Application server.
• Writing UNIX shell scripts per the demands of the environment.

Environment: IBM WebSphere Application Server 5.0, Oracle 9i, Windows XP, Apache, LDAP, IBM HTTP Server 1.3.26, Solaris 5.8, Red Hat, Virtual User Generator.