Application Management

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VENKATA CHAITANYA BHIMAVARAPU

Email: abmzph@r.postjobfree.com

Phone no: 703-***-****

SUMMARY:

. Over seven years of experience in designing, developing and

administering middleware solutions using IBM WebSphere Application

Server (3.5/4.0/5.x/6.0), Tivoli Access Manager5.0, IBM HTTP Server

6.0, Apache Tomcat 4.5, Interchange Server4.3, WebSphere MQ 5.x,

Message Broker, Jboss, Linux (Red Hat), HP-UX and on Windows 2k/2003

. Expert level skills in installation, configuration, deployment and

management of enterprise applications on WebSphere Application server

4.0/5.0/6.0

. Expertise in applying fix packs, plug-ins, fixes for WAS on Solaris,

AIX, Windows2k/2003, Linux and setting up development, testing and

production environments.

. Experience in Planning, Installing, Configuring, Administering, Tuning

and Troubleshooting on Jboss Application Server 5.0.0/4.2.2

. Well versed with WebSphere Clustering (Work Load Management (WLM) and

Fail Over techniques including horizontal and vertical scaling,

WebServer load balancing

. Expertise in installing and supporting IBM HTTP Server/Apache, Oracle

9i, DB2 UDB 7.2/8.1 on Windows and UNIX

. Used the UDDI Version 3 Client for Java to manipulate UDDI entities.

. Used the UDDI Registry Management (JMX) interface to manage

configuration settings which control UDDI Registry behavior.

. Used the UDDI Utility Tools to export, import, promote, find and

delete UDDI version 2 entities.

. Used the UDDI APIs directly via SOAP to manipulate UDDI entities.

. Configured IBM Http Server Web Server plug-in for WebSphere

Application server

. Experienced in wsadmin scripting, UNIX Shell scripting

. Designed secure connectivity with WebSEAL(Reverse Proxy), TAM 6.0,

TDI, LDAP servers and WebSphere Application Server & Portal

. Proficient in configuring WebSEAL junctions and resolving WebSEAL

integration issues with junctioned backend web servers/application

servers

. Strong knowledge of security/Single Sign On(SSO) features in TAM,

portal such as Trust Association Interceptor (TAI)

. Strong background in security concepts like SSL, keystores,

certificates, keytool, openssl

. Stong expertise in the installation and configuration of IBM

DataPower XI50 firmware device

. Hands-on experience with developing DataPower objects and migrating DP

components between environments

. Experienced in supporting EAI products such as WebSphere MQ, Message

Broker, and Interchange server

. Hands on experience with MQ clustering and triggering

. Provided 24/7 production support for WAS, WebSphere MQ, WebSphere

Message Broker.

. Strong scripting skills; developed shell scripts for various

administrative tasks

. Well versed with Java, Networking and TCP/IP

. A proven record in identifying operational problems and providing

innovative solutions. Excellent communications skills, both oral and

written

. Committed team player with strong interpersonal skills

EDUCATION

. Bachelors Degree in Computer Engineering, Visvesvaraya Technological

University, Karnataka, India

SKILLS

Operating Systems Unix, IBM AIX (Including HACMP), Sun

Solaris

(IncludingVeritas),HP-UX,Linux,Windows

Software 95/NT/98/2K/XP/2003

Websphere suite (Application Server 4.x,

5.x and 6.x), IBM HTTP Server, Apache

webserver, TAM5.x, WebSEAL, Message

Languages Broker5.0, WebSphere MQ 5.3/6.0, DataPower

XI50, WICS4.3

Databases JAVA, C, C++, ESQL, PL/SQL, HTML, XML,

Java Technologies XSLT, XPATH, XSD, JACL, JYTHON and Shell

scripting

DB2/UDB, IMS DB, Oracle 8i

J2EE, Servlets, JSP, JDBC, JMS, JNDI, Web

Services

Professional Experience:

Client: Procter & Gamble, Mason, Ohio

(March'09-Feb'10)

Role: WebSphere Administrator

Environment: WebSphere Application server 6.0 / 6.1,, Tivoli Access

Manager, WebSphere MQ6.0, WebSphere Message Broker, JBOSS, IHS 6.0.x on

Solaris 8/9, Windows,,Java, JSP, Servlets, XML, JDBC, HTML, DB2, Oracle

9i.

Responsible for administration tasks including building, installing,

configuring, deploying, and maintaining applications on WebSphere

platforms.

. Provided recommendations on environment standards, product leveling,

performance tuning, new project consulting.

. Installed and Configured JBoss ANT and building with Apache ANT.

. Implemented Load Balancing clusters by distributing a workload evenly

over multiple back end nodes.

. Experience in Deploying and managing Application Programming

Interfaces.

. Provided 24x7on-call support and helped in troubleshooting problems

. Installed and configured WebSphere Application Server v6.0/6.1, IHS

and plug-in in development, staging and production environments

. Applied fixpacks, cumulative fixes and upgraded WAS V5.x and V6.x.

. Experience in Planning, Installing, Configuring, Administering, Tuning

and Troubleshooting on Jboss Application Server 5.0.0/4.2.2

. Implemented Workload Management(WLM) using horizontal and vertical

clusters and fine-tuned load balancing with server weights.

. Used the UDDI Registry Management (JMX) interface to manage

configuration settings which control UDDI Registry behavior.

. Used the UDDI Utility Tools to export, import, promote, find and

delete UDDI version 2 entities.

. Federated WAS nodes to the deployment manager using addNode script

. Configured Application Servers, Virtual Hosts, Web Applications, Web

Resources, JDBC drivers and deployed EJBs across multiple instances of

WebSphere

. Worked with WebSphere Performance Analysis, performance reports and

proactive monitoring and tuning

. Used shell and JACL scripting for automating deployment processes

. Used wsadmin scripts to automate administrative tasks

. Worked on debugging Java hangs, crashes, bottlenecks in resource

pools (e.g. database)

. Used Wily Introscope performance monitoring tool for environment

monitoring

. Worked on configuring WebSEAL junctions

. Having strong knowledge of SSO using TAI

. Worked on developing/configuring various DP services including

Multiprotocol gateway, XML firewall and Web Service proxy

. Hands on experience with configuring DP security policies. Created

crypto profiles, ssl proxies, https front side handlers

. Defined message flows and message sets using Message Brokers toolkit

. Executed basic test cases and performed shakeout activities

Client: Zachry Construction Company Inc, San-Antonio, Texas

(March'08- Jan'09)

Role: WebSphere Administrator

Environment: IBM WebSphere Application Server 6.1/6.0.x ND and Base,

JBOSS, DB28x, IBM HTTP Server 6.0/2.0.47, AIX5.3, Windows 2003 Server.

. Installed and configured IBM WebSphere Application Server 6.0.x on AIX

and Windows using graphical as well as silent install

. Created profiles using Profile Creating Wizard and silent profile

creation

. Deployed applications (EAR) to WebSphere Application Servers and

maintained applications

. Provide support for the entire cycle of application testing including

building applications, deploying, and trouble shooting

. Provide 24/7 support during on call rotation.

. Experience with Aspect- Oriented Programming Support for applications.

. Provided security for web applications and whole array of services

with JBossSX.

. Configured Jboss Application Server with database and security.

. Used the UDDI Version 3 Client for Java to manipulate UDDI entities.

. Used the UDDI Registry Management (JMX) interface to manage

configuration settings which control UDDI Registry behavior.

. Used the UDDI Utility Tools to export, import, promote, find and

delete UDDI version 2 entities.

. Used the UDDI APIs directly via SOAP to manipulate UDDI entities.

. Deployed application on Jboss Application Server.

. Worked closely with developers to define and configure Application

Servers, Virtual Hosts, Enterprise Applications, Web resources,

Servlets, JDBC providers and deployed Enterprise applications across

multiple instances of WebSphere

. Worked closely with Database Administrators to resolve database and

JDBC related issues in WebSphere Application Server

. Worked closely with system administrators to perform installs, profile

creation, and resolve system related issues

. Achieved Workload Management by creating clusters and cluster members

in WAS 6.0.x.

. Handled deployment of Java Servlets, Session beans and Entity Beans

for each module to respective instances of application server clusters

and web applications.

. Installed EARs, WARs and configured application specific JVM settings,

Web container parameters using the admin console and wsadmin

. 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

. Performed troubleshooting Application Server start-up issues, Java

code defects after deployment and resolved class path issues

. Used automated scripts to perform routine management tasks on

WebSphere environments like monitoring disk space, CPU & memory

utilization.

. Configured WebSphere for messaging by defining Queue Destinations &

Queue Connection Factories

. Lead project team meetings with systems development team

Client: Wal-Mart, Bentonville, AR

(Jan'07-March'08)

Role: Middleware Administrator

Environment: WebSphere App server 5.0.x, MQ Series 5.x, Message Broker5.0,

JBOSS, DB2 7.2/8.1, J2EE, JSP, Servlets, XML, JDBC, JavaScript, HTML, IBM

WSAD 4.5/5.x, Red hat Linux

. Installed, configured, administered and supported WebSphere MQ5.x,

Message Broker5.0, WebSphere Application Server 3.5/4.0 on Linux,

Solaris and Windows

. Provided technical assistance for Web Hosting team on various

Application and Web Servers including IBM HTTP Server, Apache Web

Server, and iPlanet Server.

. Created server groups, clones for WebSphere Application Server 5.0.

. Experience in Installing Configuring and Administering Jboss

Application Server 5.0.0/4.2.2.

. Configured Jboss Application Server with db2 database.

. Experience in deploying application on Jboss Application Server.

. Experience in EJB3 caveat in JBoss Application Server 5.0.0.

. Experience in monitoring and maintaining multiple Applications in

Development, QA, Staging and Production Environments

. Integrating enterprise-wide J2EE applications and deploying in

Websphere Application Server and managing security policies

. Managed connection pooling and registering web applications (Servlets,

JSP) on WebSphere.

. Experience in Planning, Installing, Configuring, Administering, Tuning

and Troubleshooting on Jboss Application Server 5.0.0/4.2.2

. Used Resource Analyzer and Log Analyzer for performance tuning and

troubleshooting.

. Created user roles and groups using Local OS and secured resources

. Involved in Writing WSCP scripts and shell scripts to automate the

maintenance process of the WebSphere and recovered the backed up

Websphere configuration using XMLConfig tool.

. Deployed EJB applications on IBM WebSphere4.0 Application Server in

Unix platform

. Involved in writing Batch scripts, and UNIX shell scripts which

automate WebSphere Administration (recycling the application server,

deploying customer applications, logs rotation, monitor applications

state, etc,).

. Installed and configured IBM Websphere MQ on AIX, Sun Solaris and Win

NT

. Created and configured MQ Objects like queue managers, remote queues,

local queues, queue aliases, channels, clusters, and transmission

queues

. Configured repository Queue Managers in Clustered environment

. Converted an existing network of Queue Managers into a Cluster

environment

. Involved in developing backup and recovery procedures

. Applying CSDs, Hypers, hot fixes, PTFs

. Configured MQ infrastructure in enterprise level with distributed

queuing and clustering

. Created execution groups on runtime brokers and deployed bar files on

them

Client: Sprint PCS, Overland Park, KS

(Nov'06-Dec'07)

Role: WebSphere Administrator

Environment: WebSphere 6.0, Oracle 9i, WebSphere TX, JBOSS, IHS 6.0,

RHLinux3, UNIX

. Configured multiple Deployment Managers 6.0/6.1 on single LPAR using

profiles creation wizard.

. Installed, configured and administration of IBM HTTP Server V.6.0.

. Administration of WebSphere Application Server and Network Deployment.

. Involved with other team members in writing scripts to automate

deployment process and backup procedures.

. Configuring of JDBC Providers, Data Source, Virtual Hosting, Global

Security, SSL, LDAP.

. Performed trouble shooting, and support for a clustered environment.

. Configuring WebSphere Application Server on multiple platforms for

both horizontal and vertical scaling for Work Load Management.

. Achieved Work Load Management by creating Clusters in WAS 6.X.

. Collection of JVM statistics, garbage collection data for monitoring

the heap and physical memory.

. Assembled and Deployed the application in staging, in productions,

following change management practices and 24/7 support.

. Analyzing Activity log files and diagnosing Application Server

problems.

. Involved in managing releases of products from development to QA to

Pre-Production and Production.

. Deploy J2EE Application in WebSphere managed servers such as QA and

Production.

. Involved in configuration of WebSphere Application Server resources

like JDBC Providers, JDBC Data Sources and Connection Pooling to

connect to Oracle.

. Documented all procedures and any other important issues.

Client: Fifth Third Bank, Cincinnati, Ohio

(Jan'06-Nov'06)

Role: WebSphere Admimistrator

Environment: WebSphere Application Server 5.0, UNIX, LINUX, JBOSS, Windows

2000, IHS

. Installed, configured, and maintained WebSphere Application Server

5.0.

. Managed the security and performance optimizations for EJB containers

and web applications in IBM WebSphere, IBM HTTP Server and Apache web

server.

. Supported a multi-function, multi-platform, multi-tier, mission-

critical J2EE/WebSphere environment.

. Deployed application on Jboss Application Server.

. Migrated the applications from WebSphere Application Server to Jboss

Application Server.

. Configured Jboss Application S

. Installed, configured, administered and supported WebSphere

Application Server 5.0 in UNIX.

. Wrote scripts for accessing remote Admin Servers, cleaning up logs

during back-ups.

. Involved in configuring the WebSphere load balancing utilizing

WebSphere Workload Management including horizontal scaling and

vertical scaling.

. Installed and configured IBM HTTP Server.

. Configured iPlanet web servers, WebSphere application servers and back-

end data servers to create end-to-end web services.

. Involved in ongoing research, development and testing of WebSphere,

IBM HTTP Server, Directory Server components and supporting products.

. Problem determination using log file.

. Created users and groups in LDAP Servers and mapping them to the

enterprise applications running on WebSphere Application Server

. Performed migration of some of the applications from WAS 5.x to WAS

6.x.

. Implemented Horizontal and Vertical Clustering, Performance tuning

and trouble shooting of IBM WebSphere Application Server 5.0.

. Controlled IT resources with administrative tools install, deploy, and

managed Reflection and Hummingbird Exceed to support Windows 2000/XP.

. Assembled and Deployed the application in staging, in productions,

following change management practices and 24/7 support, worked in

shifts.

. Coordinated with offshore people to explain the environment

. Troubleshot Admin Server start-up issues, Java code defects after

deployment, and class path issues by checking the JVM logs, plug-in

logs and the Web Server logs.

Client: People's United Bank, Bridgeport, CT (Nov'04-

Dec'05)

Role: WebSphere Administrator

Environment: Web Sphere Application Server 5.0/5.1, UNIX, LINUX, Windows

2000, IHS.

. Installed Web Sphere Application Server 5.1ND and created dmgr,

Application server profiles

. Installed WAS 5.1 base on AIX/Windows 2000 platforms and upgraded to

fix pack 1 cumulative fix level 8. Installed and configured IBM HTTP

Server 2.0.42.x

. Implemented Horizontal and Vertical Clustering, Performance tuning

and trouble shooting of IBM Web Sphere Application Server 5.1

. Achieved Work Load Management by creating clones in WAS 4.0 and

Clusters in WAS 5.0

. Handled Staging and production environments as part of the

application deployment

. Installed EARs, WARs and configured application specific JVM

settings, Web container parameters using the Admin Console and

WSCP/Wasadmin scripts

. Enabled security for the Admin Console and application components

. Created the users and groups in LDAP Servers and mapping them to the

enterprise applications running on WebSphere Application Server

. Performed migration of some of the applications from WAS 4.xto WAS

5.x

. Created multiple configuration instances of WAS base and federated

them to multiple configuration instances of WAS-ND, Base and ND on

different platforms with security enabled and verified installation,

Application Server instance creation, node federation, enterprise

application installation and execution work correctly

. Created, tested & deployed J2EE applications on WebSphere Application

Server using WSAD tools.

. Deploying EAR files and scripting automated deployment of the

applications

Client: Cognizant Technology Solutions

(June'02-Sep'04)

Role: Tester

Environment: Oracle 8i, Visual Basic, .Net, Winrunner 7.6, COBOL, JCL, DB2,

VSAM, DFSORT, File-Aid, Endevor, FTP, Visual Basic 6.0, SQL-Server, MS-

Access, MS-office, Crystal Reports, OS-390, TSO, MVS, ISPF, QMF, SPUFI,

Windows-NT.

. Integration Testing, Regression testing

. Black Box testing of the entire project

. Bug Tracking and Created test cases through the identification of the

Bugs.

. Manual test Cases were created To Validate the Functionality.

. Test Scenario's were created and executed to test Business Rules.

. Implemented Regression Testing by using Win Runner.

. Involved in the developing of test scripts using win runner

. Work with management and development to prioritize and scope of

testing projects, then to drive these projects to completion.

. Design, run, monitor and troubleshoot high volume benchmarks and

scaling tests.

Analyze and diagnose throughput and response time issues, identify

bottlenecks, enter and track issues in a defect tracking system.

. Perform back end testing of the DB2 database using PL/SQL to ensure

requests were inserted from the Browser into the Back End.

Act as a liaison to developers and management as the voice of the

performance team.

. Worked with support for both Onsite and Offshore testing teams.

. Advocate the importance of performance in our applications, assisting

in setting performance requirements during the product creation cycle.

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