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 Jboss Application Server (/5.0/6.x/6.1/7.0/7.1) 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),OAS, Weblogic, Apache Tomcat, IBM HTTP Server, Apace
• 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 WAS Admin Console, wsadmin/JACL/Jython, Shell scripting.
• Administration of the IBM Topologies and Maintenance of WAS ND clusters.
• Extensively worked on migrating websphere 6.1 and 7 to Jboss Eap 6.2.
• Responsible in configuration of Network Deployment for Centralized Management of enterprise applications.
• Strong experience in Administration and Maintenance of WAS ND clusters (vertical, horizontal,hybrid) and deployment of applications in highly available, load balanced production environments.
• Applied Fix packs / e Fixes / Refresh packs / Cumulative fix packs for WAS using Update Installer and automating it.
• Experienced in migrating the applications from WebSphere V6.1 to V7.0 .
• 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.
• Utilized UNIX Shell & JACL scripting for administration, maintenance and troubleshooting.
• 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 problem tracing, log management, scripting to invocate problem - determination actions involving traces and thread dumps, heap dumps
• Skilled in root causes analysis, problem solving and conflict resolution.
• Used performance-monitoring tools like Tivoli Performance viewer, Wily Introscope.
• Involved in Web sever setup, complex secure socket layer( SSL) configuration on IBM HTTP Server 5.1/6.0/6.1/7 .0 (Apache 1.3.x/2/x).
• Used GC Collector and analyzed verbose GC Logs to monitor and assess the JVM heap usage.
• Knowledge of SSL, SSH, secure protocols, WebSphere security, overall web security standards
• 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, HP-Unix, AIX 5.x, Linux. Redhat.

Web/Application Servers: IBM WebSphere Application Server, 5.x, 6.x,7, IBM HTTP Server, Apache WebServer, Tomcat, Weblogic 11g, JBOSS, OHS.

Monitoring Tools: Tivoli Performance Viewer, Thread Analyzer, Wily Introscope, Heap Analyzer

Languages: Shell Scripting, JACL

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

PROFESSIONAL EXPERIENCE

Confidential, CA

Middleware 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.
• Strictly adhere to ITIL Framework process.
• Implemented horizontal and vertical clustering of WebSphere Application Server (WAS), JBOSS Application server and Tomcat for high availability, fail over and workload management.
• 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.
• 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.
• 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), Oracle Application Server environment
• 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
• 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 , JBOSS 5.0/6.0,6.2, Oracle Weblogic 9i, Tomcat, OAS 10.1.3, AIX 5.1/5.2, IHS webserver 2.0/2.1/6.1, Tivoli Performance Viewer.

Confidential, NJ

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
• Migration of client application running on Websphere 6.1 to websphere 7.0
• Performed WebSphere Configuration backup and restoration using scripts
• Implemented high availability for critical applications like IVR using WebSphere 7.0
• 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
• Configuring Websphere Application Server on multiple platforms for both horizontal and vertical scaling for Work Load Management.
• Migrated existing applications from IBM WebSphere Application Server 7.0 to 8.0, Red Hat JBOSS 5.x to 6.x and 6.x to 7.x, and IBM websphere Appplication Server 6.1 and 7 to jboss eap 6.2 on windows, Linux, UNIX platforms.
• 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
• Part of planning and coordination with development team in setting up the environment for migration activity
• Production support to client applications running on websphere application server, OAS, Broadvision, Datapower
• Coordination and follow-up with IBM on the PMR

Environment: IBM WebSphere Application Server 5.0/5.1,IBM DB2, Jboss 5.1, Linux, AIX, IHS,, Tivoli Performance Viewer, Willy Introscope, OAS,Broadvision,Datapower

Confidential

Middleware 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.
• Strictly adhere to ITIL Framework process.
• Deployment and Troubleshooting of JAR, WAR and EAR applications in clustered environment with Red Hat JBOSS, Apache-Tomcat, IBM WebSphere application servers for different versions of application servers and Web Servers in all environments in silent mode and graphical user interface (admin console).
• Actively participated in resolving all the technical issues in architecture and application code.
• Involved in maintaining the DR, Development and UAT environment for CI, Norkom, CAS(Important banking applications running on different Middleware Technologies)
• Applied Fix Packs for WAS ND Servers for upgrade from version 6.1.0.25 to version 6.1.0.41.
• Collect technical (logs, configuration files,) and business (impact, project milestones, partnership,) information helping shape an investigation and escalation plan
• Involved in troubleshooting and resolving problems encountered when implementing models.
• Worked on Problem tickets (PMR’s) with IBM to find effective solutions to various problems and performance issues.

Environment: IBM WebSphere Application Server 6.0,IBM HTTP Server, Jboss, Apache, Weblogic 11g, OAS 10.1.3,10.1.2, OHS, Weblogic 11g

Confidential

WAS Administrator

Responsibilities:

• Installed and configured WebSphere 6.1/7.0 and IBM HTTP Server on Linux, Solaris and Windows.
• Involved in the deployment of various J2EE components using WebSphere Application Server.
• Managing the Internet Banking for State Bank of India Creating user accounts and assigning the home directories in UNIX.
• Built WebSphere Infrastructure for different environments i.e. Internet Banking, Global Link Services (GLS), www. Confidential .co.in.
• Responsible in configuration of Network Deployment for Centralized Management of enterprise applications.
• Administration of the IBM Topologies and Maintenance of WAS ND clusters.
• 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.
• Applied cumulative fixes, fix packs, interim Fixes, refresh packs and security patches to WebSphere, JBOSS, Tomcat, WebSphere Portal application servers & Web servers in production environments.
• 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 6.x/7.0,IBM HTTP Server, Jboss 5.1/6.0, Linux and Solaris