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Manager Project

Location:
1702
Posted:
July 22, 2010

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Resume:

RAVI G

Email: *******.****@*****.***

Phone: 256-***-****

SUMMARY:

Over 7 years of IT experience with more than 6 yrs of WebSphere System

Administration and Production Support on distributed systems like Sun

Solaris, AIX, Linux (RedHat, Suse) and Windows NT environment with

different versions of Web Sphere Application Server (4.x/5.x/6.x),

WebSphere Process Server 6.x, Web Sphere Portal Server 5.x/6.x, IBM HTTP

Server (1.3/2.0), Apache, iPlanet.

. Proficient in Architecture, Installation, Setup and Configuration of

IBM Web Sphere Application Server and IBM Http Server. Involved in

configuring J2EE Enterprise Applications on heterogeneous platforms

under multi-cell and multi-node environments.

. Configured Web sphere 6.x applications in a clustered environment

using vertical and horizontal scalability and administering apps using

wsadmin scripting

. Installed Portal Server 5.1.x on Web Sphere 5.1.x (Base and ND) and

configured it to deploy enterprise applications in heterogeneous

platforms under multi-cell and multi-node environments.

. Experienced in installing Web Sphere Process Server 6.x and Configured

it to deploy enterprise applications and did some configuration changes

using scripting.

. Expertise in Application architecture designs, Web Server and

Application Server load balancing techniques(Horizontal and Vertical

Clustering), WebSphere Global Security (LTPA mechanism ), SSL (Mutual

Authentication), Single Sign-on using Oblix and Site Minder, Web sphere

MQ.

. Involved in MQ installation and configuring MQ resources (Queue

Managers, Queue Connection Factories and Queue destinations). Adept at

configuring various Web Sphere resources including JDBC Providers

(oralc,db2, sql), configuring data sources, resource adapters,

Message Driven Bean Listeners, session management, managing web sphere

variables at all scopes ( cell, cluster, node and server).

. Good working experience with Secured Socket Layer (SSL), creating self

signed certificates, Generating certificate requests, Import/Export

certificates and creating key databases.

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

Fail Over) techniques including horizontal and vertical scaling, Web

Server load balancing using Cisco and Foundary switches.

. Hands on experience in performance monitoring and tuning of J2EE

applications (Web & EJB modules) on multiple platforms with Web Sphere

Application Server 4.0/5.0/6.0 with the help of Web Sphere RA and

Tivoli Performance viewer. Worked with backup and restore of Web Sphere

using xml config (was 4.0) and backup config tool (backupconfig.sh and

restoreconfig.sh ) in web sphere 5.x/6.0

. Expertise in Object oriented design and J2EE architecture, supporting n-

tier systems and working with various development, networking, database

and middleware teams.

. Experienced with System Administration skills of All Unix flavors (AIX,

Solaris and Linux) along with networking features. Worked on UNIX

scripts for log rotations, cron jobs for job automation, startup

scripts and shell wrappers for wsadmin scripts (jacl/jython).

. Hands on experience in deploying, implementing, testing and support of

full life cycle implementations of various J2EE/Internet/Intranet and

distributed applications. Involved in migrating applications from web

sphere 4.0/5.x and 5.x to 6.0.

. Adaptive to team environment and capable of completing complex tasks

independently. Highly motivated to learn new developments in technology

with strong analytical problem solving skills and a flair for

creativity. Worked closely with Project manager, development, testing

and production team to align project deliverables, dates and report

issues/concerns.

. Ability to rapidly learn new concepts together with excellent

interpersonal skills. Ability to communicate requirements

effectively to team members and manage applications. Extensive

experience in providing 24/7 on-call support for applications

running on IBM Web Sphere Application servers.

Technical Skills:

Operating Systems IBM AIX 4.3/5.x, Unix, Linux (Red Hat

6.x/7.x/8.0), Sun Solaris 7.x/8.x, Win

NT/2000, HP-UX.

Languages C, C++, Java, JavaScript, HTML, JAVA, VRML

2.0, SQL, MySQL, PL/SQL.

Web Technologies JSP, Servlets, EJB, RMI, JAAS, JMS, XML,

XSLT.

Tools Resource Analyzer, Log Analyzer.

RDBMS Oracle, ed8i, 9i, MS SQL Server2000, DB2

Web/App Servers Web Sphere Application Server 4.0/5.0/6.0,

Web Sphere Process Server 6.x, Web Sphere

Portal Server 5.x/6.x, Web Logic, App

Server (5.x/6.x), Web Sphere ESB, Apache,

Tomcat.

Networking HTTP, TCP/IP, SNA, DNS, LAN, WAN, SSH,

DHCP, SMTP, POP3, IMAP, LDAP, Samba, MS

Proxy Server 2.0.

Professional Experience:

Client: Boston Scientific - Natick, MA

May 2010 - Till date.

Middleware Administrator

. Installed configured and maintained WebSphere Process Server 6.2.x,

WebSphere Application Server 6.x ND and created cells, Deployment

environments, Server, Clusters profiles and made the Application

secured according to the company and customer standards on AIX .

. Installed fix packs on WAS 6.1 and installed and configured IBM HTTP

Server on managed node. Assembled and Deployed the application in

staging, in productions, following change management practices, plug-

ins and Application Servers on a 24/7 support basis.

. Installed and configured WebSphere process server of its runtime and

managing the Business applications. Augmented WebSphere application

server profiles to WebSphere Process server profiles. Worked with

Development teams in configuring mediation flows.

. Installed and configured WPS clients for cross cell communication

through the CORBA, enabled EJB bindings.

. Worked closely with developers and configured application servers.

Virtual Hosts, Web Application, Web resources, Servlets, JDBC drivers

as well as deployment of EJBs across multiple instances of WebSphere.

Used Tivoli Performance Viewer to monitor WebSphere Applications and

tuned the environment accordingly like changing the JVM Heap,

Connection Pool sizes and others.

. Installed EAR's, WARs and configured application specific JVM

settings, Web container parameters using the Admin Console and wsadmin

scripts. Automated process of Deployments, installation using Jython,

and shell scripting

. Configured the business process engine, and worked with administrative

console and management tools along with human tasks and business rules

in WebSphere Process Server. Involved with project teams in the design

WebSphere Process Server solutions to meet business requirements and

in developing and implementing application roll-outs and upgrades

where WebSphere Process Server is affected.

. Enabled security and configured SSL between WebServer Plug-in and

WebSphere Application Server and process server. Mapped the LDAP users

and groups to J2EE security roles of the application module running on

WebSphere Application and also implemented SSL communication between

the WebServer Plug-in and Application Server. Created Self-Signed

Certificates and created Certificate Requests through IKeyman and sent

it to VeriSign and deployed the new certificates sent by Certification

Authorities into the environment.

. Defined Queue connection factories, Topic connection factories and JMS

activation specification for MDBs in coordination with WebSphere MQ.

. Troubleshooting DMgr start-up issues, Java code defects after

deployment, and class path issues by checking the JVM logs, trace

logs, plug-in logs and the WebServer logs.

. Performed routine management of WebSphere Environment like monitoring

Disk Space, CPU Utilization.

Environment: IBM WebSphere Application Server 6.1, WebSphere Process

Server 6.2, Oracle 10g/11g, IBM HTTP Server 2.0.x, AIX, Solaris, IBM

Tivoli Directory Server 5.1, Tivoli Performance Viewer, WebSphere MQ 6.2,

HTML, Java Script, XML, Jacl, Jython, Shell Scripting, JSP, Servlets.

Client: Freddie Mac, Herndon, VA

Sep'2009 - Apr' 2010

Web Sphere Administrator

Responsibilities:

. Installing, configuring, deploying and testing applications using Web

Sphere Process Server5.1/6.0

. Administered more than 100+ servers in heterogeneous environment,

which includes AIX, Windows NT servers, Linux Servers

. Involved in migration of the applications from web sphere 5.1 to 6.1

and worked closely with development team. Applied Refresh packs, fix

packs and cumulative fixes for web sphere, IHS and plug-ins. Involved

in capacity planning, implementation of Web Sphere 6.0.

. Installed Web sphere Process Server 6.x, configured business processes

container with business flow manager and human task manager,

configured the JVM and JMS Providers, data sources and involved in

configuring LDAP.

. Installed JDBC drivers and created the data sources and configured the

parameters of the connection pool.

. Responsible for performance tuning of HTTP server, Web Container, EJB

Container, and database Connection Pool.

. Supported the current Web Logic 8.1/9.2 production applications for

maintenance & trouble shooting the issues.

. Configured Apache Web Server for Web Logic Server load balancing of

HTTP requests.

. Involved in MQ installation and configuring resources(Queue manager,

Queue connection factories and Queue destinations).

. Monitor and troubleshoot WAS on a multiple hardware and OS platforms -

Install and configure WAS in a UNIX environment - Install and

configure WAS in Windows environment - Install and configure WAS in

Linux environment.

. Automate application install, uninstall and application enhancements

through shell scripts WSCP, JACL scripts using Cron and at job

scheduling utilities.

. Package, build, Integrate and deploy enterprise J2EE applications on

Web Sphere Process Server 6.1 that involves EAR (Enterprise Archives)

and WAR (Web Archives).

. Installed Web sphere 6.0, IHS 6.0 and plugins 6.0 and upgraded Web

sphere 6.0 to refresh pack 2(6.0.2) and fix packs 7 and 9 (6.0.2.7 and

6.0.2.9). Installed Web sphere plugins to IHS 6.0 and then Migrated

all the applications on Web sphere 5.1.1.8 to 6.0.2.9.This also

includes the configuration.

. Provide support of the after-hour activities such as upgrades and

implementations that may occur on evenings and weekends.

. Deployed Enterprise applications in AT, Staging and Production

environment

. Worked closely with Code Deployment Team to resolve application

deployment issues

Environment: IBM Web Sphere AppServer 6.1/6.0/5.x, Web Sphere Process

Server 6.x, Weblogic 8.1/9.2, Web Sphere Enterprise Service Bus, Web Sphere

MQ 5.x/6.x, Unix, AIX, Sun Solaris, SSAM Tool, ERT Tool, Windows 2000,

EJB, JDK, J2EE, JNDI, DB2, IBM HTTP Server, IBM Visual Age for Java4.

Client: AT&T, Chicago, IL

Jun' 2007 - Aug' 2009

Web Sphere Administrator.

Responsibilities:

. Installed, configured and maintained Internet and Intranet

Applications on Web Sphere Application Server, Web Sphere Process

Server, Web Sphere portal Server, HTTP Server on diverse UNIX flavors

that includes AIX, Sun Solaris and Windows Platforms (NT/2000) in a

multi clustered high availability environments.

. Involved in migration of the applications from web sphere Process

Server 5.1 to 6.1 and worked closely with development team. Applied

Refresh packs, fix packs and cumulative fixes for web sphere, IHS and

plug-ins. Involved in capacity planning, implementation of Web Sphere

6.0.

. Involved in installation of Portal server, deployed WAR files, created

pages, installed portlets, created themes and skins, configured portal

WAS adminconsole. Involved in configuring different tools like SSAM

tool, ERT too for monitoring business transactions by using Portal.

. Installed Web sphere Process Server 6.x, configured business processes

container with business flow manager and human task manager,

configured the JMS Providers, JVM, data sources and involved in

configuring LDAP.

. Involved in installing LEAPSTONE, configured Service Broker, and

Content Manager.

. Involved in queuing messages using Web Sphere Enterprise Service Bus.

. Maintaining updated documentation of all the Servers and the installed

applications and patches

. Involved in enabling security for users, groups administration and

daily backup and restore operations.

. Package, build, Integrate and deploy enterprise J2EE applications on

Web Sphere 6.1/Weblogic 8.1 that involves EAR (Enterprise Archives)

and WAR (Web Archives).

. Involved in trouble shooting and performance tuning using Resource

Analyzer and Log Analyzer.

. Automate application install, uninstall and application enhancements

through shell scripts WSCP, JACL scripts using Cron and at job

scheduling utilities.

. Actively involved in monitoring server performance, network traffic to

reduce performance bottleneck.

. Effectively interacted with the users on a daily basis, decreasing

downtime and increasing user productivity.

. Managed the security and performance optimizations for EJB containers

and web applications in IBM Web Sphere, IBM HTTP Server and Apache web

server.

. Configured Server Groups and Clones for High availability and Fail

over capability.

. Ensure application dependencies are integrated on system level

components such as database, Data Source Name (DSN), and Application

Server connection pooling (DB2) including identification and

documentation.

. Installed upgrades and fix packs to the runtime environment as

required in decreasing vulnerability to production environment.

. Involved in dealing PMRs with IBM to find an effective solution to

any problem or performance issues.

. Developed UNIX shell scripts, JACL scripts to automate the Web

Sphere/Weblogic Administration (recycling the application server,

deploying customer applications, logs rotation, monitor applications

state, etc).

. Worked closely with Project manager, development, testing and

production team to align project deliverables, dates and report

issues/concerns.

. Deployed Enterprise Applications in test and production environments

. Used different tools like HP Diagnostic tool, Web based IEDM Tool,

Site Scope Monitoring tool, Shakeout tool, Heap analyzer during this

project work.

. Provided on-call production support for 7x24 on call operations.

Environment: IBM Web Sphere AppServer 6.1/6.0/5.x, Web Sphere Process

Server 6.x, Web Sphere Portal Server 5.x/6.0, Weblogic8.1, Web Sphere

Enterprise Service Bus, Web Sphere MQ 5.x/6.x, Unix, AIX, Sun Solaris,

Leapstone, SSAM Tool, ERT Tool, Windows 2000, EJB, JDK, J2EE, JNDI, DB2,

IBM HTTP Server, IBM Visual Age for Java4.

Client: Wachovia, Charlotte, NC

Jan' 2006 - May' 2007

Web Sphere Administrator

Responsibilities:

. Installed, configured and maintained IBM Web Sphere Application Server

5.x/6.0, IBM Http Server 1.3/2.0, apache on heterogeneous platforms

(Aix 5.3/Sun Solaris 8.5/Linux/windows NT). Worked on new projects

starting from design and architecture phase, provided customers with

varied solutions for web sphere (clustered topology, fail over

capabilities, load balancing methodologies, session replications

etc).Involved in all phases of application move from development to

production, stress testing, monitoring the application resources using

Tivoli performance viewer, analyzing JVM during runtime and tuning

accordingly

. Involved in migration of the applications from web sphere 5.x to 6.0

and worked closely with development team. Applied Refresh packs, fix

packs and cumulative fixes for web sphere, IHS and plug-ins

. Good working experience in enabling web sphere global security using

Local OS and Sun One ldap(LTPA mechanism),SSL configuration, Ordering

digital certs, creating key database using ikeyman and keytool tools,

import/export certs and create self signed certs for dev and test

environments. Worked closely with different teams providing single-

sign on solutions using Oblix and Netegrity Site Minder.

. Installed Portal Server 5.1.x on Web Sphere 5.1.x (Base and ND) and

configured it to deploy enterprise applications

. Provided solutions for clustering at Web Server and web sphere areas.

Worked on Horizontal and Vertical clustering methods providing fail

over, effective load balance scenarios and efficient utilization of

system resources. Worked closely with other teams providing Web Server

load balancing mechanisms with Cisco and Foundary switches.

. Adept at installation and configuration of J2EE (1.2/1.3) applications

(ears/war/jars) on web sphere. Worked closely with developers in

deploying ears and wars, configuring necessary database resources

(JDBC Providers, data sources), MQ resources (Queue Managers, Queue

destinations, Queue Connection Factories (qcf's), Message driven bean

listener ports).

. Worked closely with Web sphere MQ. Database (DB2 and Oracle) and

Portal teams to discuss issues related to web sphere. Had

opportunities to work on MQ and web sphere portal, look for Manager

Status, Queue depths, and start/stop QManager etc.

. Good knowledge of wsadmin scripting using jacl and jython and shell

scripting (ksh). Developed scripts for automation of web sphere

processes including start/stop, creating and configuring serves,

clusters, JDBC and MQ resources, deploying applications. Worked on

UNIX shell scripts for log rotation, init scripts for web sphere and

Web Server processes, cronjobs, and shell wrappers for wsadmin

scripts.

. Good working experiences with Session Management, creating replication

domains for session persistence (Memory to Memory replication) using

client server methodology. Used web sphere backup and restore scripts

for backing up web sphere repository.

. Worked with IBM Support and development teams in resolving issues

related to application memory leaks, analyzing java cores and heap

dumps using Thread and Heap analyzer tools.

. Worked and solved variety of issues with web sphere and J2EE

applications. Provided 24/7 support for critical applications with on-

call pager rotation, flexible to work during off hours

Environment: Web Sphere application Server 5.x/6.0, Web Sphere Portal

Server 5.1.x, IBM Http Server 1.3/2.0, Apache Web Server V2.0.47, LDPA,

Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, Microsoft SQL

Server2000, ORACLE 8i/9i/10g, DB2 V7.1/8.1, HTML, Unix, AIX 5.3/5.2, RedHat

Linux V9, Solaris V8/9/10, BigIP, VCS, JReports, Jacl Scripting.

Client: Merck, White house station, NJ

Apr'2004 - Dec'2005

Web Sphere Administrator

Responsibilities:

. Installation and configuration of IBM Web Sphere Application Server

4.x/ 5.x, IHS 1.3/2.0 on IBM AIX., Sun Solaris and windows.

. Migrated applications from web sphere version 4.0 to 5.x .Worked with

parallel install of web sphere for migration.

. Worked on WAS Global Security using Sun Directory Server and SSL for

Web Server using iKeyman and keytool. Created self signed

certificates, ordered digital certs and enabled mutual authentication.

. Worked with Load Balancing of web sphere using Horizontal and vertical

clusters for failover and effective resource utilization.

. Involved in configuration of Site Minder agent on IBM Http Server for

single-sign on.

. Involved in deploying the J2EE EAR files jar and war files including

automated deployment of the applications.

. Configured WebSphere resources for database (JDBC providers and data

sources) and MQ resources (QManagers, qcfs and queue destinations).

. Performance tuning using Tivoli Performance viewer, configuring

caching, queuing, pooling, JVM parameters.

. Troubleshoot applications using WebSphere Application Server logs,

ffdc logs, analyzing java cores and heap dumps.

. Involved in assisting QA team for Load and Stress testing of J2EE

applications.

. Responsible for Support and reliable maintenance of the applications

on different platforms for on-going application development.

. Worked with Session Management, creating replication domains for

session persistence (Memory to Memory replication) using client server

methodology. Used WebSphere backup and restore scripts for backing

up WebSphere repository

.

Environment: WebSphere Application Server 4.x/5.x, IBM Http Server 1.3/2.0,

WSAD, DB2, AIX 5.1/5.2, JDBC 2.0, ORACLE 9i, IBM WebSphere MQ5.3, Java,

J2EE, JSP, XML, Servlets, EJB 2.0, SiteMinder5QMR7.

Client: Vanguard, Malvern, PA

Apr'2003 - Feb'2004

WebSphere Administrator

Responsibilities:

. Installed and configured IBM WebSphere Application Server 4.0, IHS

1.3.x, Apache web server on various platforms including AIX 4.3 and

Solaris 8.x

. Maintenance of the WebSphere servers on different platforms and

setting up the development, testing and staging environments for the

ongoing application development.

. Debugging of the application problems while developing the

application.

. Developed WSCP scripts and shell scripts to automate the maintenance

process of the WebSphere and recovered the backed up WebSphere

configuration using XML Config tool.

. Created user roles and groups for securing the resources using local

operating system authentication.

. Used IBM Edge Server and Network Dispatchers for load balancing.

. Configured Workload Management (WLM) using server groups in WAS 4.x

and clusters in WAS 5.x.

. Well versed and proven experience in defining, packaging and deploying

applications using WebSphere Application Assembly Tool (AAT).

. Configured horizontal scalability of WebSphere through a mechanism

called as "Cloning of multiple WebApps" with independent Java Virtual

Machines-JVMs, for each clone.

. Developed business session beans and container managed entity beans.

. Involved in trouble shooting and Performance tuning using Resource

analyzer and log analyzer.

Environment: WebSphere Application Server 4.0, IBM Http Server 1.3x, Apache

Web Server 1.3.20, WSCP scripts, Resource Analyzer, Windows NT/2000, JSP,

Servlets.

Client: Ecommerce Software Solutions, India

Feb'2002-Dec'2002

Java Developer

Responsibilities:

. Involved in writing technical design documents and detailed design

documents based on requirement specifications.

. Creation of low and high level design documents and functional

specifications for the entire system.

. Responsible for designing and User Interface Screens for the system.

. Developing the User Interface using JSP, Tag Libraries, HTML, Java

Script and XML.

. Developed the Stateful Session EJB's to handle the transaction

functionalities like online funds transfer, bill payments to the

service providers.

. Responsible for generating the SQL scripts based on the user inputs

through JSP pages and parsing them to JDBC Manager.

. Extensively used Java Servlets, JSP library and API for the entire

project.

. Development of deployment descriptors for the EJB's to deploy in the

WebSphere Application Server.

. Responsible for reviewing business user requirements and also

participated in meeting the users with Business Analysts the common

class library.

. Involved in testing the system using Junit.

. Involved in Client and Server coding and unit test using JDK 1.3

. Involved in database design for storing Franchisee information.

Environment: J2EE, JSP, Struts, Servlets, EJB's, HTML, JavaScript, XML,

XSLT, CSS, Oracle 9i, JBuilder, Windows2000

Client: Mythri Software Solutions, India

March'2001 - Jan'2002

Java Developer

Responsibilities:

. Involved in the Designing and Development of the project.

. Developed JSP pages and Action Objects using MVC Frame work.

. Actively involved in developing presentation Beans and developing

Business Objects

. Designed, Developed business logics using JSP, Servlets, Java and XML

. Analyzing and gathering the requirement specification.

. Involved in Client and Server coding and unit testing using JDK 1.2

. Development using Servlets and JDBC Technologies.

. Involved in creating Servlets to store data after the user enters

data in the registration form and creating HTML Objects.

. Participated in the drafting of the user manual.

Environment: JDK 1.2, JSDK, HTML, JDBC, Oracle 7.0 and Windows NT 4.0



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