Vishnu V

WebSphere Administrator - State of Connecticut

Hartford, CT

Seven years of IT experience in design and administration of IBM WebSphere Application Server, WebSphere Portal Server, Websphere MQ , Apache Tomcat, Sun ONE and IBM IHS,

iPlanet Web server and Apache Web server and IDS LDAP on UNIX (Solaris/AIX/Linux)and

Windows [] environments. Expertise in Installing, Configuring, Administering, Tuning, Patching and Troubleshooting IBM WebSphere Application Server V5.x/6.x/7.x/8.x, WESB, WSRR, WebSphere MQ Series,

Apache Tomcat, Apache Http Server, IHS & SunOne Web Servers, TAM & Siteminder Policy

Servers, LDAP.

Web server setup, Configured SSL using Self-Signed certificates and CA certificates between Application Server and Web Server, Web Server and browser, Application Server and LDAP

Server.

Expertise in Design, Maintenance, Security, Recovery and Support of Windows and Linux environments.

Experience in Configuration, Installation and Maintenance of network services such as DNS, DHCP, NIS and NFS on Red Hat Linux.

Experienced in administering WebSphere [] and WebSphere Message Broker [] in a clustered environment on UNIX based operating system.

Expertise in creating and configuring MQ Objects like Queue Managers, Remote queues, Local Queues, Queue Aliases, Channels, Clusters, Transmission Queues, Performance Events,

Triggers, Processes, MQ error trapping applications and performance tuning/monitoring.

Monitored all MQ Objects using MQ supplied utilities and various support packs. Extensive experience with MQSeries Clustering, MQClient/MQServersetup and Administration.

Experienced in Installation, Configuration, and Administration of IBMWebSphere Portal Server [] on different platforms (AIX, Solaris, Linux) and Windows. Experience in Deploying portal artifacts such as Web Applications, Portlets, Pages using XMLAccess and Portal admin console.

Deployment, Software installation, maintenance, fixes upgrades, general administration, troubleshooting and performance tuning of JBOSS.

Experienced in configuration of cells, nodes, clustering, application servers, virtual hosts, session management, configuring web server plug-ins, IBM HTTP Server, Apache, Sun ONE

Directory Server (LDAP), and IBM Edge Server

Experience in implementation of Workload Management (WLM) of WebSphere Application Server using vertical and horizontal clustering, and also in performance tuning using Tivoli

Performance Viewer.

Strong experience in Administration and Maintenance of WAS ND clusters (vertical, horizontal, hybrid) and deploying applications in highly available, load balanced production

environments.

Experienced in deploying J2EE components in Base and ND WebSphere Application Servers V/6.x/7.x/8.x using AAT (Application Assembly Tool), WAS Admin Console,

shell/wsadmin/JACL/Jython scripting.

Expertise in developing WSCP scripts and Shell scripts to administer and automate batch job scheduling including backup and recovery processes.

Highly experienced in utilizing Shell, JACL and Jython scripts for administration, maintenance, troubleshooting and for ALL day-to-day activities.

Experience in installing patches and fixes for WebSphere Application Server. Experience in working with logs, traces and messages using tools such as Log Analyzer, Resource Analyzer and Admin Console.

Used Wily Performance tools for monitoring and tuning the WebSphere environment like configuring Heap size, Thread pool size, Session Management, connection pool size.

Expertise in Single Sign-On domain using Tivoli Access Manager, Site Minder, Identity Management and LDAP.

Modified Coding Variables to reduce Garbage Collection. Ability to pickup new technologies, solve complex technical/runtime problems and multitask between different projects.

Provided on-call Production Support (24x7), monitoring and maintaining multiple Applications in Development, TEST, QA, Staging and Production Environments.

Excellent Communication and Interpersonal skills, ability to lead bridge calls during production issues.

Work Experience

WebSphere Administrator

State of Connecticut

-

Hartford, CT

January 2013 to Present

Responsibilities:

Installed and configured IBM WebSphere Application Server8.x/7.x/6.x on AIX7.1 using GUI as well as silent installation in various platforms like Linux v6.1 (RHEL), AIX, and Solaris.

Created profiles using Profile Creating Wizard and silent profile creation in Red Hat Linux and Windows.

Installation and Configuration of Deployment Manager to create Centralized application management.

Deployed Web Archive and Enterprise Archive applications to WebSphere Application Servers and maintained applications.

Installed, Configured and Deployed webservices in WebSphere WESB and WSRR, BPM, WSRRGOVERNANCE.

Upgrade of WebSphere Web Service Registry and Repository (WSRR) with WebSphere Process Server installation on Version 7.0 & 6.0 and WebSphere Enterprise Service Bus

installation.

Responsible for Installation, Configuration and Administration of WebSphere Process Server including tracking of where the current business process is and troubleshooting issues with

other services and MQ.

Experience in Migrating existing applications from WebSphere 6.x to 7.x and 7.x to 8.x on different platforms.

Provided support for the entire cycle of application testing including building applications, deploying, and trouble shooting.

Worked closely with developers on Enterprise Applications, Web resources, JDBC providers and JVMs.

Configured WAS Global Security using Tivoli Directory Server and Microsoft Active Directory by using LDAP as user registry.

Worked closely with Database Administrators to resolve database and JDBC related issues in WebSphere Application Server.

Used UNIX Shell, PERL, JACL and JYTHON Scripts for automating tasks Worked closely with System Administrators to perform installations, profiles creation, and resolve system related issues when required root or admin access.

Achieved Work Load Management by creating Clusters and Cluster Members in WAS 7.x and 8.x.

Performance tuned the WebSphere Environment by configuring caching, queuing, pooling, JVM parameters and Problem determination using Tivoli performance viewer (TPV) & Wily

Introscope.

Handled deployment of Java Servlets, Session beans and Entity Beans for each module to respective instances of application server clusters and web applications.

Configuration and setup of Secure Sockets Layers (SSL) for data encryption and client authentication.

Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN.

Installed, Configured and Deployed LCA and EDS file's in Adobe Life Cycle and Corticon rules engine respectively.

Administrated Data Power components such as MPGW and front side handlers, logging configuration.

Implemented security and processing policies and rules for Data Power components. Provided configuration changes and backup activities in automated manner through Data Power functions.

Used WASPROFILE & MANAGEPROFILES to create multiple WebSphere profiles from the command line interface.

Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, & Connection Pool sizes.

Troubleshooting Application Servers start-up issues, Java code defects after deployment and class path issues.

Provided 24/7 support for assigned applications. Extensively worked on WebSphere MQ Installations, configuration, administration of WebSphere MQ Server version 7.0 for multiple high profile projects.

Configured WebSphere for messaging by defining Queue Destinations &Queue Connection Factories.

Environment: IBM WebSphere Application Server8.x /7.x, IBM DB2 10.1, IBM WESB7.5 ,

IBM WSRR7.x, Tivoli Directory Server 5.1, IHS Web Server 8.x, Apache HTTP Server, IBM

Installation Manager, 1.7, Tivoli Performance Viewer, Wily Introscope 7.x, IBM SIM, SAM,

Filenet, Adobe live cycle, Corticon rules Engine, Tibco pattern search, F5 load balancer, IBM

Data power Appliance, SQL server , Adobe database, Qradar, Melissa Data.

WebSphere Administrator

Wells Fargo

-

Charlotte, NC

June 2012 to December 2012

Responsibilities:

Installed, configured, and maintained WebSphere Application Server Network Deployment (ND) V7.x/8.x, IBM Http Server V7.x/8.x, Created profiles using Profile Creating Wizard and

silent profile creation.

Migrated WebSphere Application Server V 7.0 to V8.0. Migrated existing applications, wsadmin and ANT scripts. Configured IHS webserver with the Websphere Application Server

ND.

Provided Infrastructure Support and responsible for infrastructure build out and support of enterprise application collaborations across disparate platforms.

Automated configuration, deployment using JACL and Jython scripts using AdminConfig, AdminApp, AdminControl and AdminTask tasks.

Building application and deployment on WebSphere domain. Used ANT script to automate the build and deploy process. Experience in configuring SSL for web servers, requesting and installing secure certificates, enabling global security using LDAP registry and single sign on.

Installed the Refresh Packs and Cumulative Fixes to websphere ND V7.x environment. Created the Clustering Topology in WebSphere Application Server ND V7.x, to achieve Work Load Management 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.

Managed performance tuning of Web Server, Web Container, EJB Container and database connection pool.

Installed, configured and maintained MQSeries 7.0 and Troubleshooting daily issues like channel connection problems.

Configured WebSphere MQ Connection Factories and Queue Destinations for connecting applications on WebSphere to MQ.

Involved in configuring WAS with Security Appliances such as LDAP, CA SiteMinder. Integrated WebSphere applications with MQSeries using JMS messaging. Configured Wily Introscope with JVM for performance monitoring purpose, Edited Managed modules to setup alerts cautioned and danger levels for JVMs.

Setting up of IBM edge server for reverse proxy in DMZ and network dispatchers for load balancing.

Configured WebSphere resources like JVM heap settings, JDBC providers, JDBC data

sources, connection pooling, Virtual Hosts, Global Security and SSL.

Developed WSADMIN (JACL and Jython) scripts in order to automate the process of WebSphere deployment and configuration. Working Knowledge in using WSADMIN

(AdminConfig, AdminApp, AdminControl and AdminsTask) commands.

Involved in securing the J2EE applications by implementing Single Sign On by using Siteminder.

Configured and handled WilyIntroscope for monitoring the performance and for troubleshooting of WebSphere environment.

Configured WebSphere SSO security, WebSeal junctions, Tivoli Access Manager(TAM). Troubleshooting Admin Server start-up issues, Memory leaks and class path issues. Involved in assisting QA team in Load and Integration testing of J2EE applications on WebSphere Application Server.

Monitoring and Administration of applications using Site Scope. Responsibilities included support, troubleshooting, incident notification and resolution, problem management, post-mortem analysis, and root cause identification. Interact and

coordinate activities with cross-functional teams, including development, system

Uses tools for WAS profiling and tuning which included Tivoli performance viewer, Wily Introscope, Heap Analyzer, Thread Analyzer,, Log Analyzer , Resource Analyzer(AST),

ITCAM.

Environment: WebSphere Application Server ND V7.0x/8.x, IHS 7.x/8.x, IBM WebSphere

MQ, TomcatV7.x/8.x, CA Siteminder, Tivoli Access Manager(TAM), DB2/UDB 9.x, UNIX

(Solaris, AIX, Linux), Wily Introscope 6.x.

WebSphere MQ Administrator

Jackson National Life Insurance

-

Lansing, MI

May 2010 to May 2012

Responsibilities:

Installed and configured WebSphere Application Server 6.x/7.x on UNIX Platforms and used Update Installer to update with fix packs.

Maintained WebSphere Application Servers on different UNIX (AIX, Solaris, Linux) platforms, development, testing and staging environments for on-going application

development.

Implemented creation of Server groups and clusters in WebSphere Application server and cloning of servers and provided extensive support in deployment, change management and

application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.

Installed, configured and administered WebSphere MQ and designed a complete and effective MQ Environment including naming standards, levels of service, security, monitoring and

administration tools.

Highly experienced in creating WMQ Cluster to provide high availability and for workload balancing.

Administered Message Broker Components like Broker, Configmanager, Broker domains in Toolkit and Created bar files and Deployed them to the Broker.

Experienced in administering Unix/Linux Shell scripts to monitor installed J2EE applications and to get information from the logs and database in the required format and other daily

activities.

Experience in deploying J2EE EJB, JSP, HTML, and XML based applications, on WAS 5.0/5.1/6.0/6.1 using AAT (Application Assembly Tool), WAS Admin Console,

shell/wsadmin/JACL/Jython scripting.

Strong experience in Administration and Maintenance of WAS NDclusters (vertical, horizontal, and hybrid) and deployment of applications in highly available, load balanced

production environments.

Experienced in configuring Workload Management (WLM) of Web Sphere Application Server and also in Performance Tuning using Resource Analyzer and Tivoli Performance

Viewer.

Installed and configured both IBM HTTP Server 6.x and iPlanet Web Servers, plugins, configured the web-server interfaces (plugin file), session management, virtual hosts, Data

Sources, HTTP transports for Application Server instances and applications.

Experience in configuring SSL for web servers, requesting and installing secure certificates, enabling global security using LDAP registry and single sign on.

Managed the security and performance optimizations for EJB containers and Web applications in IBM WebSphere, IHS and Apache WebServer.

Configured the Global Security on WebSphere using IBM Directory Server and created Users and Groups, assigned different authorization roles for each user and secured the admin console.

Migrated existing applications from WAS 6.x to 7.x using WAS pre-upgrade andWAS post-upgrade tools on Sun Solaris, AIX.

Worked on troubleshooting Java applications using WAS logs, traces, Log Analyzer, Resource Analyzer/Tivoli Performance Viewer. Used Wily Introscope extensively to determine

application bottlenecks to dig-out which modules are consuming excessive resources.

Worked on problem tickets (PMRs) with IBM to find effective solutions to various problems and performance issues. Worked on WebSphere system related system work (patches, fixes).

Good Hands on Experience in creating and configuring the horizontal-vertical clustering, Workload Management (WLM) and Session persistence.

Configured WebSphere resources like JDBC providers, JDBC data sources and connection pooling and tuning it and monitoring it using Tivoli Performance Viewer by enabling PMI.

Automate application install, uninstall and application enhancements through Shell scripts and wsadmin scripts.

Involved in developing JACL, Jython, ANT and Shell scripts to administer and automate batch job scheduling including backup and recovery processes.

Coordinated with various teams like Development, OS, Middleware group (WebSphere MQ Group), SAN, Database and Networking to Deploy the J2EE Applications in Development, QA,

Staging and Production Environments.

On-call production support (24X7) and troubleshooting problems related to Web Servers, WebSphere Application Server, Plug-ins, and Database.

Environment: IBM WebSphere Application Server 6.x/7.x, Portal Server 6.x/7.x, IBM

WebSphere MQ 5.x/6.x/7.x, IBM DB2, AIX, Sun Solaris, Sun ONE Directory Server 5.1, IHS

Web Server 6.1, Tivoli Performance Viewer, Wily Introscope 7.x, Oracle 10g, Sybase, DB2.

WebSphere MQ Administrator

Walmart

-

Bentonville, AR

November 2008 to April 2010

Responsibilities:

Installed and configured WebSphere Network Deployment Manager 7.0, on UNIX Platforms, Web Sphere base Application Server and used Update Installer to update with fixpacks.

Automated the tasks with shell scripts using silent response files.

Automated configuration, deployments using JACL and Jython scripts using AdminConfig, AdminApp, AdminControl and AdminTask tasks.

Created/ Installed Portal Clusters using horizontal & vertical clustering and deployed Portal Applications, Created Virtual Portals using separate Realms creation.

Worked with ConfigEngine tasks, transferred data from Local database to external backend databases like Oracle & DB2.

Deployed Themes & Skins, Portlets & Portlet Applications, created portal pages and assigned portlets to the portal pages.

Worked with developers and QA team in various stages of development and testing and taking the application from DEV to Test to QA and PROD environments.

Installed and configured both IBM HTTP Server 6.0 and iPlanet 6.1 Web servers and plugins and configured SSL for the webserver and plugin communications.

Created and federated profiles to the Deployment Manager using both Profile Management tool and also automated the process using manage profiles and addnode command.

Recommended and used hybrid clustering (horizontal and vertical) to make use of efficient resources on a single system and to provide for hardware failover and load-balancing and

worked with developers.

Configured Service Integration Buses(SIB) and JMS Activation Specifications using both default messaging and WebSphere MQ messaging providers.

Responsible for deploying applications on the cluster and setting up the environment. Configured WebSphere resources like JDBC providers, JDBC data sources 4/5 and connection pooling and tuning it and monitoring it using Tivoli Performance viewer by enabling PMI.

Troubleshoot problems on the various environments involving the integrations of WebSphere, IBM HTTP Server, iPlanet web Servers, TAM and ldap.

Configured global security on WebSphere using IBM Directory Server and secure the adminconsole.

Configured adminconsole security on WebSphere and creating users with various roles to access the WebSphere admin console - users and groups in ldap and added them as WebSphere

Console Groups.

Involved in opening and working on PMR's with IBM to solve various issue related to the environment. Enabled traces as part of troubleshooting and used collector tool to submit the

logs and traces to IBM after running the must gather scripts and enabling various traces and

taking thread dumps.

Used WebSphere plug-in for load balancing across the cluster members and manually updated it for remote webservers in the DMZ.

Installed SSL certificates on the web servers using ikeyman tool. Was involved in writing shell scripts to automate websphere admin tasks and application specific rsyncs / backups and other schedulers.

Participated in team meetings and management meetings to resolve issues related to the various environments.

Used Tivoli Performance tools for tuning the WebSphere environments (JVM heap size, data base connection poolsize, etc).

Was responsible for documenting the various procedures involved in the day to day maintenance of the various environments

Environment:WebSphere Application Server Network Deployment 7.0, iPlanet 6.1 Web Server,

IHS Web Server 6.0,6.1, Netegrity Siteminder 5.X, Sun Solaris , Tivoli Performance Viewer,

Wily Introscope 7.x, DB2.

WebSphere Administrator

Goldstone Technologies

-

Hyderabad, Andhra Pradesh

June 2007 to October 2008

Responsibilities:

Installed and configured IBM WebSphere Application Server 5.0 on AIX, Linux and Solaris and created user roles and groups for securing the resources using local operating system

authentication.

Maintained WebSphere Application server for web applications development and deployment of JSP and EJB components on WAS.

Involved in deploying the EAR files and scripting automated deployment of the applications. Administration of Working Application, Application performance monitoring, starting and stopping the application server.

Installed plug-in for IBM HTTP WebServer, coordinated with Database Admin Team to create databases for storing the WebSphere application repository.

Configured WebSphere domains in the administration console and Setting up WebSphere sever instance for Windows services.

Worked with Application groups in troubleshooting and fine-tuning the application Performance.

Trouble shooting various problems in different stages of development using log files. Worked on WebSphere components such as Work Load Management (WLM), Session Management. Deployed J2EE applications on Websphere Application Server using WSAD

tools.

Configured J2EE resources like JMS, JDBC providers and data sources, Resource Adapters,

URL providers, Mail providers, Cache instances, connection pooling and Java Mail sessions.

Involved in advanced performance monitoring and tuning on WebSphere application server. Implemented horizontal and vertical scaling of WebSphere Application Server (WAS) in a workload managed cluster.

Written scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, etc.

Well documented all procedures and any other important issues. Provided 24/7 on call support on rotation basis.

Environment: IBM WebSphere Application Server 5.0, Apache, MQ Series, IBM HTTP Server,

AAT, DB2, Oracle 8.x/7.x, J2EE, Clear Case, AIX 5.1, Sun Solaris 8.0 and Windows.

Education

Bachelor of Technology in computer science

JNTU

Additional Information

Technical Skills

Operating Systems AIX [] Solaris 8,9& 10, Linux 9/8/7.x, HP-UX10.20, Windows [] Application/web Servers

WebSphere 8.x/7.x/6.x, WebSphere Portal Server 7.x/8.x

[] IBMHTTPServer6.x/7.x/8.x, SunOneWebServer6.1., WebSphere MQ []

Scripting Language WSADMIN, WLST, UNIX Shell, python and Jython

Languages Java/J2EE,XML

Database Oracle 11g/10g, [] [] and MS-Access 2000 Tools and Utilities TDI 6.1.1,Tivoli Access Manager, Log4j, Tivoli Performance Viewer, RAD

SOA/ESB/ DataPower XI50, WebSphere ESB, WSRR and WMQ v7.0/6.0

J2EE Technologies

J2EE [] JAVA EE 5/6/7,Servlet 2.2/2.3, Java Beans, [] [] JDBC2.0, JNDI, RMI IIOP, SOAP, CORBA, XML, HTML, AJAX, Spring, Struts, XSLT, WTX.

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Updated: 10 March 2015

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