MANASA

Contact # 203-***-****

Email ID: acgrga@r.postjobfree.com

PROFESSIONAL SUMMARY

. Over 6 plus years of experience in middleware management & production

support.

. Experience in Administration of Oracle WebLogic Server 12c,11g,

9.1/8.1, IBM WebSphere Application Server 7.0/6.x, SunOne Webserver

v6.0, Apache WebServer v2.2 on Sun Solaris (UNIX), Red Hat Linux and

Windows platforms.

. Expertise in Installation, Configuration, and Maintenance of BEA

WebLogic Server 8.1/9.x/11g on different UNIX platforms.

. Expertise in setting up the Development, Testing, Staging and

Production environments.

. Experience in maintaining IBM Websphere Network Deployment

V5.1/V6.1/V7.

. In depth knowledge of 3 Tier Architecture with strong problem

determination and resolution skills.

. Involved in Migration of WebLogic Domains from older versions to new

versions.

. Experienced in deploying WAR, EAR on both WebLogic and WebSphere.

. Supported applications developed in Java, JSP, J2EE, Coldfusion,

Javascript, Oracle, Spring, Webservices using struts framework.

. Thorough knowledge in Configuration and tuning JDBC connection pools.

. Vast experience in Clustering (both horizontal and vertical), creation

and maintenance of Domains, Nodes and Managed Servers instances in a

BEA Weblogic environment.

. Installed and configured SunOne and Apache Web Servers in various

environments.

. Deployed applications on Weblogic Servers and maintained Load

balancing, High Availability and Fail over functionality.

. Monitored WebLogic server resources using Wily Introscope, Nagios and

BAC.

. Coordinating with network team to configure Load Balancer for request

distribution to apache web layer.

. Excellent knowledge of writing UNIX Shell scripts to automate System

Admin jobs.

. Created cron jobs and scheduled many automated tasks.

. Experienced in applying patches and plug-ins for Weblogic Application

Server.

. Extensive experience in configuring and managing secured environments

using SSL and digital certificates.

. Configured WebServer Plug-ins for both WebLogic and WebSphere.

. Experienced in writing WLST Scripts to automate admin tasks.

. Well versed with Windows (2000, 2003, XP), UNIX, Linux (Redhat) and

Solaris.

. Experienced in Backup & Recovery procedures.

. Excellent communication, presentation, customer support and

troubleshooting skills.

. Experience in 24X7 on-call production support and troubleshooting

critical applications.

Technical Expertise

Application Server : BEA WebLogic 8.1(sp2 to sp6), 9.2MP2

& 10.0/10.3,11g and 12c, WebSphere V5.1/V6.1/V7.

Web Server : Apache 2.x, Sun ONE 6.x, IBM-HTTP

Server.

Scripting Languages : WLST, UNIX Shell Scripting (Bourne,

Korn, C and Bash), Perl Scripting.

Monitoring Tools : Wily Introscope, Nagios, JMeter,

Mercury LoadRunner, Samurai, Splunk.

Operating Systems : Solaris, Red Hat LINUX, IBM-AIX,

Windows 98/2000/NT/XP.

Database : Oracle 8i/9i/10g, MS SQL

Server, Sybase, Pointbase, MS Access and DB2.

Networking & Protocols : TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP,

LDAP, DNS.

Professional Experience

Client: Duration: Amdocs, Alpharetta, GA

Oct' 10 - Till Date

Role: Middleware Administrator

Responsibilities:

. Extensively worked on administration of Oracle WebLogic 10.0

MP1/10.3.x Application Server.

. Installed and configured multiple domains and completely created new

Development, test, SIT and production environments.

. Installed, configured and administered and integrated Apache Web

Server with the WebLogic Application Server for load balancing.

. Worked in the migration of applications from Oracle 9.2.2 to Weblogic

10.3.5.

. Working with infrastructure team to deliver environments for each

project release on time.

. Performed multiple deployments during upgrade of WebLogic Server from

8.1 to 10.3 in Web Center Environment.

. Deployed J2EE archives WAR's, EAR's on weblogic server.

. Troubleshooting and fixing the issues occurred during the deployment

of Java applications and EJB components.

. Performed multiple and consistent deployments to WebLogic environments

as part of application rollout and eventually scripted it to automate

deployments.

. Responsible for configuring JDBC connection pools

. Utilized Remedy Problem & Change management application for management

of problem tickets.

. Configured Web Server plug-ins for Application Servers WebLogic and

WebSphere.

. Work on Web Security tools- LDAP Server, SSL Certificates and client

authentication.

. Configured WebLogic JMS Configurations - JMS Server, Connection

Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed

destinations.

. Configured WILY Introscope for monitoring on all the Application

wsdl's and instances on Production.

. Used Wily for understanding Heap and thread behavior of application.

. Setup Splunk alerts to trigger email notification in case of fault

codes.

. Monitoring the logs, fixing the problems and tuning parameters on

WebLogic environment.

. Troubleshooting, Load Balancing, Clustering, Deploying Applications,

Performance Tuning and Maintenance.

. Managed and monitored the JVM performance by WebLogic Heap Size,

garbage collection, JDBC Pools and Multi pools.

. Analyzing the log files, taking thread dumps, JVM Dumps and Exception

stack traces

. Monitored the JVM performance using WILY INTROSCOPE

. Experienced in setting up WebSphere MQ distributed queuing environment

. Wide range of knowledge in U2L migration projects

. Monitored the JVM Performance using Jconsole

. Expert in creating SSL certs and renewing certificates

. Automated many administrator tasks by writing shell scripts, WLST.

. 24 x 7 responses to alarms in Wily, Splunk and BAC alerts, as well as

in-house developed monitoring systems.

Environment: WebLogic 8.1/9.2/10.3.x, WebSphere 6.x/7, Apache 2.x, SunOne,

IIS, Linux, Windows(2000,XP,7), EJB, J2EE applications, JDBC, XML, UNIX

shell Scripting, Wily Introscope, WLST

Client: Fannie Mae, Reston, VA

Duration: Oct' 08 - Sep' 10

Role: Middleware/ Systems Administrator

Responsibilities:

. Extensively worked on administration of BEA WebLogic 10.0 MP1

Application Server and IBM WebSphere Application Server V6.

. Installed, configured and administered BEA Weblogic server 8.x/10.x.

. Installed, configured and administered and integrated Apache Web

Server to work with the Application Server.

. Support in migration of applications from WebSphere V6 to Weblogic

10.3.

. Working with engineering team to deliver environments for each project

release on time.

. Performed multiple deployments during migration of applications from

WebSphere Application Server to WebLogic 10.3.

. Configured WebLogic Server resources using WLST for all web

applications in the upgraded environment.

. Created managed servers and configured Clusters for these managed

servers.

. Very strong understanding of apache mod_rewrite rules for redirecting

the URL's in many web based applications.

. Configuring NSAPI Plug-in and ISAPI Plug-in to communicate with the

WebLogic server.

. Worked closely with network team and SSO - Single Sign On team.

. Installing patches to different versions of WebLogic using SmartUpdate

tool.

. Upgrading the versions of WebSphere using the UpdateInstaller.

. Configured and administered WebLogic services like JMS, JNDI, JMX and

JDBC.

. Involved in cluster environment creation and deploying various J2EE

applications on the managed servers and implemented Load Balancing,

High Availability and Failover features.

. Involved in Load testing of the application running on Weblogic server

using various tools.

. Thread and Heap analysis using thread dump tools like IBM Heap

Analyser, samurai and TDA and finding the blocking and locked threads.

. Involved in creating SSL certs and renewing certificates.

. Troubleshooting and fixing of problems on WebLogic Application Server.

. Configuration of JDBC connections and data sources with Oracle

database server 10.x.

. Monitoring the error logs, fixing the problems and tuning parameters

on WebLogic environment.

. Written Unix Shell Scripts and scripts for the Auto Deployment process

of applications.

. Maintaining code and configuration file in version management tool

like ClearCase.

. Involved in configuring management, software deployment, change

management, performance monitoring, and application maintenance.

. Documenting the SOP's and design procedures and test plans for the

support of the applications in the Environment.

. Worked with several vendors for some advanced troubleshooting.

Environment: WebLogic 8.1/9.2/10.3, WebSphere 6.x/7, Apache 2.x, SunOne,

IIS, Linux, Windows(2000,XP), EJB, J2EE applications, JDBC, XML, UNIX shell

Scripting, Perl Scripting, BMC Patrol, WLST.

Client: UPS, Alpharetta, GA

Duration: Aug' 07 - Sep' 08

Role: Application support Analyst

Responsibilities:

. Installing and Configured WebLogic 8.1 Servers, Domains and Clusters.

. Configuring Clusters on WebLogic using the WebLogic Console.

. Server log and Domain log monitoring, Application Deployment, and

performance tuning of WebLogic. Setting the JVM parameters like

maximum and minimum heap size in WebLogic startup scripts.

. Starting, stopping and clearing the cache of Web Logic servers.

. Monitoring the application servers with the help of Sitescope and also

by writing UNIX scripts that will send an email/page whenever

something fails.

. Deploying and configuring in various environments like Production,

Staging and Testing on a single Server and a cluster of Servers Also I

used to trouble shoot the deployment issues.

. Tuned Execute Thread Counts by using the Native I/O Mixers.

. Configured and maintained the WebLogic Load balancing Clusters.

. Fine Tuned the JDBC Connection Pools Initial and Maximum Capacity to

the same value in production systems to avoid creating new connections

on the fly during load spikes.

. SSL, IPsec and HTTPS for communication and transactional security.

. Used S/MIME and PGP for email security using PKI.

. Interacted with Development Teams for Application Architecture

changes, with respective to weblogic configurations.

. Installed Web logic Service Packs, licenses in Production Box.

. Configuring and Maintaining the Web logic and CSS Load balancing

Clusters.

. Maintained Queues, Topics, in Web logic JMS Server.

. Monitor the Web logic Execute Queues, JMS Queues.

. Involved with troubleshooting the Applications to detect and eliminate

the Memory Leaks.

. Configured the JDBC Connection Pools and Tuned the connection Pools

for the SSP and FTTP applications.

. Monitoring idle thread count, garbage collection, EJB Beans and JDBC

pools on Web logic Server.

. Automated and scheduled backups on all UNIX machines using shell

script.

. Writing UNIX shell scripts (start & stop) for web application server

administration.

. Creating new file system, permitting user to mount file system,

monitoring free space, disk usage, locating files, checking & clearing

log files, administration and monitoring of disk based file system.

. Providing administrative support for IIS in windows NT/2000 servers.

Installing and configuring iPlanet servers.

Environment: WebLogic Application Server 8.1/9.1, SUN Solaris 2.8, Windows

2000, Iplanet WebServer 6.0, Oracle 9i.

Education: Bachelor's of Technology, Acharya Nagarjuna University,

India.

Visa Status: US Green Card.

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