Application Server
Resume:
Vigneswara Kattekota
***********@************.***
Vigneswara Kattekota
Professional Summary:
Over Seven years of Extensive experience in Installation, Administration,
Configuration, Monitoring, Troubleshooting of WebSphere Application
server(7.0/6.1/6.0/5.1), WebSphere MQ Series(6.0/5.3), IBM HTTP Server,
Apache, Version Control tools, open Source technologies on AIX, Linux,
Solaris and Windows.
. Installed and Configured IBM WebSphere Application Server 5.x/6.x/7.x
Network Deployment on various Operating Systems like Windows, AIX,
Linux, Sun Solaris, Environments.
. Expertise in different UNIX platforms such as AIX 5.1/5.2/5.3, Sun
Solaris 8/9/10 and Red hat 3.x/ Suse 9.x and Linux.
. Expertise in Installation, Configuration and Administration of IBM
WebSphere Application Server 5.1/6.0/6.1, IBM HTTP Server
1.3.19/1.3.26/2.0.42.2/2.0.47.1 on different flavours of UNIX and
Windows.
. Experience in requirement analysis, scope, design analysis,
application development, debugging, testing and documentation of the
various phases in a SDLC.
. Expertise in cluster management implemented horizontal clusters,
vertical clusters and hybrid. Troubleshoot application related issues,
and interact with Development staff in performing complex testing.
Excellent knowledge on TCP/IP, RMI and HTTP protocols.
. Experience in Creating Heap dumps and Core dumps and analyze those
dumps using Heap Analyzer. Involved in creating and maintaining
WebSphere Network Deployment in WebSphere Application Server. Created
new Virtual Hosts and configured Host Aliases.
. Experienced in implementing High-Availability, fail over topology
using clusters and load balancers. Extensive experience in optimizing
performance of WebSphere Application server using Workload Management.
Experienced in migrating WAS 6.1 to 7.0.
. Experience in Performance Tuning, Load Balancing and Work Load
Management on IBM WebSphere Application Server 5.x/6.0/6.1
. Experienced in upgrading WebSphere with Refresh packs, fixpacks and
fixes using update installer. Experienced in configuration of the plug-
ins on the WebServer when it is installed locally and remotely on the
DMZ.
. Expertise in writing JACL/Jython, UNIX scripts and shell scripts to
automate the maintenance process of the WebSphere. Excellent working
knowledge in implementing LDAP security models using Sun One LDAP.
. Worked on server side technologies like JSP, Servlets, EJB, JNDI,
JDBC, JMS and RMI, CORBA, XML, HTML, Java Beans on IBM WAS.
. Excellent knowledge in Setting up of Nodes, Profiles, Data Sources,
Virtual Hosts, configuring Servlet Engines, and Session Managers.
. Experience in requirement analysis, scope, design analysis,
application development, debugging, testing and documentation of the
various phases in a s/w development life cycle.
. Provided support in a demanding 24/7 on-call support.
. Configured resources like J2C resources, connection factories and JMS
resources, JDBC Providers and Data sources, connection pooling in IBM
WebSphere 5.x/6.x
. Analyzed log files to solve problems using debugging tools like Log
Analyzer, Tivoli Performance Viewer Tool and Collector Tool.
. Excellent problem resolving interpersonal & communication skills with
ability to work under pressure in a highly visible role in a team and
individually. Having knowledge to work with offshore team and
coordinate with them.
Skills:
Languages C, C++, Java, JavaScript, HTML, XML, SQL, PL/SQL,
Shell Scripts, JDBC.
Database DB2/UDB 7.2/8.x, ORACLE 11g/10g/9i/8.0/7.x,
SQLServer6.5/7.0.
Scripting Languages Shell Script, JACL/Jython Script and WSADMIN
Operating Systems AIX 5.x, Solaris 9.0/8.x, Red Hat/ Suse 9/Linux
8.0/7.x,Window 2003/2000/NT,MS-DOS
Web/Application WebSphere 7.x/6.x/5.x/4.x, IBM HTTP Server
Servers 1.3.26/2.0.47.1, I Planet, IIS, Tomcat 5.5, 4.1,
Apache 2.x, Weblogic
Web Technologies HTML,DHTML,XML,ASP
Version Control CVS, Clear Case, Clear Quest, pvcs
Tools
Monitoring Tools Tivoli Performance Viewer, Thread Analyzer, Log
Analyzer, Wiley Introscope 7.x, 8.x.
Education:
. Bachelor of Information Technology (B.IT). Hyderabad, AP, India.
Professional Experience:
Ameriprise Financials, Minneapolis, MN
Sept 10 - Present
Sr. Web Sphere Administrator
Responsibilities:
. Installed, configured, administered WebSphere Application Server BASE, ND
on AIX for multiple high profile projects.
. Created Deployment manager and Application Server profiles and federated
to create cells.
. Administered, configured, tuned, and troubleshoot WebSphere in a
clustered environment on AIX
. Responsible for deploying enterprise applications from Admin console
and enabled security using LTPA and LDAP for admin console and
application components on AIX.
. Installation & Configuration of IBM HTTP Server 2.x, IBM IHS 5.X AND 6.X
on AIX.
. Installed, configured and administered IBM WebSphere Application Server
6.1/6.0,7.x on AIX. Created new Virtual Hosts and configured Host
Aliases.
. Involved in configuration and setup of WebSphere Application Server
security using LTPA and LDAP.
. Enabled Global security for the Admin Console and application components
. Creating Heap dumps and Core dumps and analyze those dumps using Heap
Analyzer.
. Experience in migrating WAS 6.1 to 7.0.
. Configured IHS Web server, Creating and configured WebServer instances
Site minder to work with WAS.
. Installed, Configured and maintained LDAP (Sun one) Directory server.
. Used Resource Analyzer/ Tivoli Performance Viewer to monitor WebSphere
Applications and tuned the environment accordingly like changing the JVM
Heap, Connection Pool sizes
. Used Websphere Admin Console and wasadmin/JACL scripting to install
enterprise EAR, WAR files or for hot deployment.
. Configured WebSphere resources like JDBC providers, JDBC data sources,
connection pooling, Implemented creation of Server groups and clusters in
WebSphere Application server.
. Provided 24/7 on-call support on rotation basis.
Environment: Application Server 5.1.x/6.x/7.x,AIX, Red Hat Linux 5.x,
Solaris 9.0, IBM DB2 9.5, Windows XP/2000/NT, Apache, IBM 6.X, Oracle
10.x/9.x/8.x, JBOSS, Tivoli performance viewer.
NetApp Inc, Sunnyvale, CA
Mar 09 - Aug 10
WebSphere Administrator
Responsibilities:
. Installed, configured, administered WebSphere Application Server BASE,ND
on AIX for multiple high profile projects.
. Created Deployment manager and Application Server profiles and federated
to create cells.
. Administered, configured, tuned and troubleshoot WebSphere in a
clustered environment on AIX
. Responsible for deploying enterprise applications from Admin console
and enabled security using LTPA and LDAP for admin console and
application components on AIX.
. Installation & Configuration of IBM HTTP Server 2.x on AIX. Installed,
configured and administered IBM WebSphere Application Server 6.1/6.0,7.x
on AIX
. Involved in configuration and setup of WebSphere Application Server
security using LTPA and LDAP. Creating Webserver instances by using
Scripts. Creating Heap dumps and Core dumps and analyze those dumps
using Heap Analyzer.
. Experience in migrating WAS 6.1 to 7.0. Involved in installing
WebSphere portal 6.0.x on UNIX and AIX Platform with Web Content
Management. Configured IHS Web server, Site minder to work with WAS.
Installed, Configured and maintained LDAP Directory server.
. knowledge in configuring JMS Provides using WebSphere MQ
. Used WebSphere Admin Console and wasadmin/JACL scripting to install
enterprise EAR, WAR files or for hot deployment. Configured WebSphere
resources like JDBC providers, JDBC data sources, connection pooling,
Implemented creation of Server groups and clusters in WAS.
. Provided 24/7 on-call support on rotation basis.
Environment: Application Server 5.1.x/6.x/7.x,AIX, Red Hat Linux,
Solaris, IBM DB2,Windows XP/2000/NT, Apache, Oracle 10.x/9.x/8.x, JBOSS,
Tivoli performance viewer, WebSphere Portal 6.0.
Monsanto, St. Louis, MO
Nov 07 - Feb 09 WebSphere Administrator
Responsibilities:
. Installation and configuration of number of WebSphere Application Servers
6.0 instances on development, QA and production environment on Solaris.
Administration and Maintenance of IBM HTTP Server and WebSphere
Application Server for various production environments.
. Configuring Resources like JDBC Provider for Oracle, creating Virtual
Hosts, Shared Libraries, JNDI Configurations, EJB References, Environment
Variables, and Configuring Session Management. Deployment of J2EE
Applications involved in Creating Clusters for Load Balancing and Fail
over.
. Profiled all the J2EE Applications and worked with Application Groups in
improving performance of application and possible memory leaks in
application before deploying in Production.
. Wrote Perl and Shell scripts to monitor installed enterprise applications
and to get information from the logs and database in the required format.
. Developing WSCP scripts, JACL Scripts. Backup and Recovery of WebSphere
configuration using XML Config tool.
. Monitoring WAS performance through Tivoli Performance Viewer and tuning
the system caching, queuing, JVM parameters, DB Connection Pooling.
. Daily WebSphere Application Server task were deploying application and
troubleshooting QA and Productions problems using log files and
coordinating with development teams.
. Implemented various mediation primitives (Database Lookup, Filter, XSLT,
and Message Logger). Implement the Shared Libraries (code reusability).
Environment: IBM WebSphere Application Server 6.1/6.0,IBM HTTP SERVER v6.0,
WebSphere MQ 5.3,IBM DB2, Sun Solaris 10.0/9.0, WebSeal, TAM, Oracle
10g,UNIX shell scripts, RAD 7.0, Wily Introscope 7.0, Perl, JACL and
Jython scripts, Sitescope.
General Insurance Corporation, Hyderabad, India
Dec 05 - Oct 07
WebSphere Administrator
Responsibilities:
. Installed and configured IBM WebSphere Application Server 5.x, IHS 1.3.x,
and Apache web server on various platforms including AIX 4.3.
. Migrated applications from WebSphere version 4.0 to version 5.x.
. Configured WebSphere Application Server V4 to use Integrity Site Minder
V5.5.
. Excellent knowledge in Setting up of Nodes, Profiles, Data Sources,
Virtual Hosts, configuring Servlet Engines, and Session Managers
. Worked on server side technologies like JSP, Servlets, EJB, JNDI, JDBC,
JMS and RMI, CORBA, XML, HTML, Java Beans.
. Maintenance of the WebSphere servers on different platforms, setting up
the development, testing, staging and production environment for the
ongoing application development.
. Developed UNIX shell scripts and Jacl scripts that automate the WebSphere
Administration (recycling the application server, deploying customer
applications, logs rotation, monitor applications state, etc,).
. Configured web servers in the Demilitarized zone (DMZ) and SSL between
web server & browser.
. Developed WSCP scripts and shell scripts to automate the maintenance
process of the WebSphere and recovered the backed up WebSphere
configuration using XMLConfig tool.
. Created user roles and groups for securing the resources using local
operating system authentication and custom user registry.
. Configured Big-IP rules for load balancing of web servers. Configured
Workload Management (WLM) using server groups in WAS 4.x and Server
clusters in WAS 5.x.
Environment: WebSphere Application Server 4.x/5.x, AIX 4.3, IIS Web server
2.0, Linux, Oracle 9i, Windows 2000, Jacl/Jython,Siteminder,J2EE1.3/1.2,
Java2.0, JSP1.2, EJB2.0, JDBC2.0 and XML.
Minvesta InfoTech, Hyderabad, India
July 04 - Nov 05
Web Sphere Administrator
Responsibilities:
. Support of about 50 applications in the environments of
DEV/Test/QA/PROD
. Involved in the day to day IBM WebSphere, WebSphere Portal deployment and
configuration. Used command line scripting tools for WebSphere/Portal
environment for automating the tasks. Requesting firewall rules for port
openings for Internet applications.
. Wording with developers to deploy their EAR files into the pre-production
and production environments. Strong Unix (AIX / Solaris) and windows
NT/2000 administration skills.
. Experience with Interwoven (Open Deploy) for static content
management
. Installation and Configuration of Trizetto eBill /eEnroll software
on Web Sphere.
. Maintenance and the configuration of IBM Http Server /Apache as
the Web Server instances
. Build and troubleshoot the various environments such as dev, system test
QA and the production environments. Configure the http servers (IHS
/Apache) for the communication over SSL /non-SSL and to accept the
traffic via a Cisco content switch and firewall.
. Update and migrating the LDAP (TIVOLI directory server) with the
fix packs.
. Involved in the migration of MQ v5.2 to v5.3 in the WebSphere
environment. Involved in the DR (disaster recovery) plan for the
WebSphere environment. On call production support for the environment.
Environment: AIX 5.1, Web Sphere 5.0.x/5.1 and 4.0.6, HIS
v1.3.x/2.0.47.1, Apache 2.0.56, ChangemanDS, BMCPatrol, Site minder
v5.x/6.0, UDB DB2v7.2.9/8.1, Oracle 8i/9i, MQ v5.2/5.3, Cisco Content
Switch.
Contact this candidate