VaraPrasd Ganta

varaprasad4webs@gmail.com+1(972)-413-5542---------------------------------------------------------------------------------------------------------------------------------------------Profile Summary: 5.6 years of experience in Middleware Administration using IBM WebSphere Application Server 7.x/8.x Having Good experience in Production Support forbanking applications and Retail Domain. Good at Application support and identifying the Bottlenecks of Application. Memory leaks identifications,Thread Leaksand Heap Memory analysis. Performance monitoring and configuring the alerts with the tools like Wily Introscope, Dynatrace, and Site

scope. Worked with Performance Tuning Tools IBM Heap Analyzer, ThreadDump Analyzer, PMAT, PTT etc. Closely worked with business team and provide the reports on applications like Throughput, Response time,

CPU Utilizations, Memory utilizations, JDBC wait/response time and Connection pool utilizations. Experience in Configurations of JVM settings, Web Container Thread Pool, Connection Pool in WAS

Administration console. Administration and Production Support on heterogeneous systems like AIX, Linux and Windows NT

environments. Experience in IBM HTTP Server and Plug-in Installations, configuration of Plug-in to Application server and

troubleshooting of web server plug-in. Created profiles using Profile Creating Wizard (PMT) and silent profile creation. Experienced in setting up Development, QA, Staging and Production environments with all the components

and required configurations pertaining to Client requirements. Experienced in installing releases, applying refresh packs, fixes,fix packs and interim fixes for WebSphere,

SDK, Web Server and Plug-ins using update installer andInstallation Manager. Experienced in Configuring Web sphere resources such as JDBC Provider, J2C Authentication alias, Data

Sources and Connection Pooling in order to connect to databases (Oracle /DB2). Knowledge on wsamin script and enhance the scripts based on the requirement. Experience in Deployments of EAR, WAR fileson all environments using Admin Console and through

wsadmin scripting as well. Experienced in applying Fix packs, for all versions of WebSphere application server and different flavors of

Web Servers. Experience in 24X7 on-call production support and troubleshooting problems related to Web Servers, Web

sphere instances, Plug-ins and Databases. Experience in migration of earlier versions to the latest versions like 7.x to 8.5 versions. Experienced in opening a severity tickets with IBMPMR support Level 1, 2, 3 premium support teams to

resolve any critical issues and escalating the issues for quick resolution. Experienced in setting up the configuration and run time traces, generating thread & heap dumps and

uploading to PMR support team. Experienced in creating and installing security certificates like trust store, key store files in application

server as well in webserver using iKey man tool. Experienced in writing Jython scripts for basic administration tasks which include, Start/Stop of Application

Server and Deployments. Used Jira tool to track production support issues.

Experience in development of J2EE web Based applications, Java 2.0, JDBC, Java Beans, Java Script, XML, HTML, and SQL.

TECHNICAL SKILLS:

Application Server WebSphere Application server 8.x,Tomcat, IBM MQ 7.0Web Server Apache, IBM HTTP Server 7.x,8.x.Scripting Jython and Jacl.System Monitoring Tool Wily Introscope, Dyna Trace, Site scope, PMAT,Log Analyzer, Thread Analyzer.Operating System AIX 6.1,7.1, and other Unix flavors, Windows Server.Databases Oracle,DB2 ,SQL Server and MySQLVersion control CVS, Subversion

Education: Master of Computer Application (MCA) from Jawaharlal Nehru University, Kakinada-2010

Professional Experience:

Neiman Marcus Company April 2016 to PresentWeb Sphere Admin

Responsibilities: • Installed and configured WebSphere Application Server - Network Deployment 7.0.0.13in multi clustered high availability environments used Update Installer to update with fix packs. Automated the tasks with shell scripts using silent response files. • Enabled Global Security and configured Federated Repositories with Active Directory. • Install and Configure Apache Tomcat 6/7 and provide extensive support in deployment and application server level troubleshooting for all the environments. • Maintained and managed Servers WebSphere Application Server and Apache Tomcat in Production, Staging and QA servers. • Performed automated J2EE code deployment in WebSphere Application and Apache Tomcat hosted on AIX and Red Hat Linux Operating System using WSADMIN and SHELL scripts. • Configure and administered JNDI, JDBC Connection Pools and Data Sources on WebSphere and Tomcat • Created Centralized Installation Manager Repository (CIM), Installed Fix Packs using CIM to the target nodes and updated it to the level of deployment manager. • Configured Apache module mod_jk to connect to the Tomcat container, Configured SSL on Apache HTTP Server using mod_ssl. • Configure Site minder on IBM HTTP Server for single sign on (SSO). • Involved in installing Web Servers like IBM Http Server and installing corresponding plug-ins on the Web Servers to communicate with the Application Server. Deployed applications using deployment scripts and administration console. • Maintained applications which are deployed in Apache Tomcat Servers. • Used Web Sphere Admin Console and wsadmin/JACL/Perl scripting to install enterprise EAR, WAR files or for hot deployment. • Applying fix packs and Refresh packs for WebSphere Application Server. • Monitored for application core dumps, or forced thread dumps and analyzed the dumps to check for issues using thread analyzer. • Maintenance of WebSphere backups using backup Config. • Worked with couple of Load Balancers like F5 and Big-IP in Production environments using Routing algorithms like Round Robin. • Provides regular on-call production support requiring quick response and coordination leading to problem resolution or escalation to 3rd level. • Involvement in performance monitoring and tuning by using the Tivoli Performance Viewer. • Configuring security of WebSphere using LDAP registry (Microsoft Active Directory).

• Performing Troubleshooting by analyzing log files using the Log Analyzer tool and also by running traces. • Maintenance of the Apache and IBM HTTP servers. • Documentation of all procedures and any other important issues. • 24x7 on-call support on a rotation basis. Deployment of several Enterprise Applications in a clustered Environment: WebSphere Application Server 6.x/7.0, Apache Tomcat 6/7, RHEL 5/6, IBM HTTP Server 6/7, JACL, Jython, Tivoli Performance Viewer, Wily Introscope 8.x, Oracle 10/11, F5.

Depository Trust and Clearing Corporation Nov 2015 to April 2016Web Sphere Admin

Responsibilities: • Installed, Configured, Administered and Supported WebSphere Application Server 7.0/8.x on AIX platform. • Configured WebSphere resources including JDBC providers, JDBC data sources, connection pooling and JMS Connection Factories and Queues. • Setup Session replication using memory-memory replication. • Installed, configured and administered Jboss EAP 6.xin different environments like Development, QA, UAT and Production on Linux (RHEL 5). • Configured the data sources, message queues and security domains for applications on Jboss application server and created JBoss specific deployment. • Responsible for building the Dev, Test, QA, and Prod environments by installing the WAS and creating the profiles, nodes, federation of nodes, Application Servers, Clusters, Virtual hosts, data sources, MQ connections, Plug-in Configuration and Service Integration Bus Configuration. • Worked closely with APM team for configuring Wily Introscope for monitoring of Jboss instances, Tomcat and WebSphere application server • Deployed WAR & EAR files to Jboss EAP 6.x application servers and WebSphere application serverusing cli tools in clustered environments. • Experienced in configuring Jboss cluster using Jgroups and configured Infispan for caching. • Dealt with troubleshooting issues like Server hang, keep alive threads, HTTP threads, Application Deadlock, Perm Gen space, Out of Memory Issue, High memory usage and High CPU. • Installed Apache Http server and configured mod_cluster for load balancing boss EAP cluster. • Generated SSL Keystores and configure for Jboss EAP 6.x. • Involved in Trouble shooting and Performance tuning using Tivoli Performance Viewer and Wily Introscope. • Worked with IBM support in opening a PMR for inconclusive root causes, and coordinating the proposed changes with the respective teams for rolling out the fix. • Designed and created WebSphere Application Server 6.0/6.1/7.0 domains and managed Servers in Training and QA environment as well as provided support to the System Test, QA and Production Environment. • Migrated IBM WebSphere Server 6.1 to WebSphere Server 7.0 and 7.0 to 8.5.5 • Performed analysis of GC activity for performance analysis using IBM Pattern Modeling and Analysis Tool. Analyzed Java Core and Heap dumps using IBM Thread Analyzer and Heap Analyzer tools. • Assisted in several Load tests and fine-tuned WebSphere and Jboss Application servers to produce the best results. • Configured MSActive Directory in WebSphere Application and Jboss for user authentication. • Performed routine management of WebSphere environment like monitoring Disk Space and CPU Utilization. • Supported applications 24X7 on-call on a rotational basis.  Environment: IBM WebSphere Application Server ND 7.x/8.x, Oracle 11g, DB2 9, IBM HTTP Server 7/8, Site Minder 12, RHEL 5/6, Jboss EAP 6.1, Wily Introscope 9.x.

Michaels Stores Inc,Irving, India Sep 2014 to Nov 2015Websphere Admin

Experience in building new instances in tomcat level and well versed in deployments in tomcat 6.X/7.X. Configuring new applications in the tomcat level and troubleshooting the issues in tomcat level. Implementing SSL configurations in tomcat and web server level. Experienced in Administrating the IBM WAS 6.X/7.0/8.X on various Operating Systems like Linux, UNIX

and Windows 2000/2003 Server and XP. Experience in installingconfiguring, maintenance and troubleshooting the IBM IHS server.

Experience in installing and configuring the Web Sphere plug-in for web servers. Implemented horizontal and vertical clustering Environments.

Federated multiple nodes to a Network Deployment Manager. Experience in deploying, configuration and administration of J2EE applications on WAS

6.x/7.0/8.X Creation and management of data sources and database connection pools Experience in Tivoli Performance Viewer for monitoring performance parameters. Experience in Troubleshooting the WAS by using Logs and Log Analyzer. Experience in analysing Thread dumps and Heap dumps using IBM support assistant. Troubleshooting Production Issues, worked on resolving Application Server Hang Issues,

High Memory and CPU Issues. Good interpretation and knowledge on various Log files for troubleshooting purposes. Experience in 24X7 on-call production support and troubleshooting problems related to Web

Servers, WebSphere Application Server, Plug-ins, and Database.

 HP Retail Publishing System India Jan 2012 to Aug 2014Websphere Admin

Roles and Responsibilities: Responsible for Installation, configuration and administration of enterprise applications on IBM Web Sphere

Application Server 8.x , IBM HTTP Server, Apache Web Server on AIX, Linux Implemented Clustering, Performance tuning and trouble shooting of IBM Web Sphere Application Server

8.0 Involved in the configuration of Web Sphere Application Server resources like Data Sources, JDBC Providers,

JNDI and Connection Pooling in order to connect to DB2 and Oracle databases. Configured and administered Tomcat and HIS. Deployed J2EE Enterprise applications on Web Sphere 8.xthat involves EAR, JAR, and WAR files. Good working knowledge in using wsamin (Jython) script and enhance the scripts based on the requirement. Configured Secure Sockets Layers (SSL) for data encryption and client authentication and used iKeyman key

utility to manage keys and certificates on IHS. Enabled Global Security and secured the applications by using Sun One LDAP user registries and LTPA

authentication mechanisms. Configured Session Management at various levels (i.e. Server level, Application level, Module level.) Enabled Work Load Management, WLM using Horizontal and Vertical Clustering. Extensively used the best site monitoring tools such as Tivoli Performance Viewer & Wily Introscope for

monitoring and tuning of the Web sphere Environment (JVM heap size, data base connection pool size, etc). Worked with J2EE architecture to modify applications based on the requirement. Utilized Logging and Tracing methods to monitor the System performance using Websphere Unix

Environment. Worked with various project teams to provide support in performance tuning and issue resolution. Trained on BMC Blade logic for performance tuning, transaction monitoring, configuration and server

virtualization to reduce the risk of costly server

Environment: Web Sphere Application Server 8.x,IBM HTTP Server, Apache Web Server, IBM AIX 6.1,Tivoli Directory server LDAP, Java,J2EE,EJB, XML, JDBC, JavaScript, ORACLE, DB2, HTML, WSCP, JACL. Jython scripts.