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Click here or scroll down to respond to this candidate MANASA
Contact # PHONE NUMBER AVAILABLE
Email ID: EMAIL AVAILABLE
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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