Java Server
Resume:
Ravindar Eppakayala
abk7g2@r.postjobfree.com
Professional Summary:
* 7 years of experience in IT industry with Administration, analysis,
design and maintenance of client/server and web applications as the
primary tasks.
* Experienced in Maintaining BEA WebLogic Server, on different UNIX (Sun
Solaris 9/10, HP-UNIX, and AIX) Red Hat Linux and Windows XP/ 2003/2008
setting up the Development, Testing, Staging and Production environments.
* Production support engineer providing 24/7 expert technical support and
consultation for WebLogic, MQ Series Messaging, and SunOne web servers
running on Solaris 8/10 and RHEL 4/5 operating systems.
* Experience in BEA webLogic Application Server 10 on UNIX and Linux
platform, Iplanet and Apache web server software.
* Experience in Apache Tomcat 5.x/6.x Application Server Install,
Configuration and Support.
* Experience with installing, configuring, administering, implementing and
performance tuning clustered SOA environments (10g/11g).
* Experienced in administering and maintaining Oracle/BEAWebLogic
Server/Portal 9.x and 10.x.
* Experienced in Java and J2EE technologies which involves JDBC, Servlets,
JSP, Struts, Hibernate3.x, EJB(Session Bean), JMS, Web Services, SOAP,
Java Script, and JUnit test cases and various configuration tools like
Clear Case, VSS, CVS, and SVN.
* Experienced in HTML, CSS, JavaScript and Ajax across different browsers.
* Experienced with J2EE application servers (Tomcat, Jrun, and Jboss),
Oracle, MySQL, Perl, Shell, HTTP, and Apache in UNIX and Linux.
* Web Logic and Tomcat Administrator experience, with knowledge in
clustering, JMS, Connection Pools, J2EE Deployments, Thread Dump
Analysis.
* Extensively worked with Performance, Clusters, and preferrably Load
Balance.
* Experienced in Security and certificate management (SSL).
* Experienced in Core Java, EJB (Session Bean), UNIX and Weblogic.
* Experienced and Ability to analyze and troubleshoot in a 3 tier J2EE
application environment on UNIX.
* Experienced in Java Message Service (JMS), MQseries and Weblogic
clustering.
* Experienced on capacity planning and performance tuning of J2EE
applications and platforms, using Wily Introscope.
* Experienced with TCP/IP, UNIX, LAN, WAN Administration, Apache, Web
Logic, Ethernet, Firewall, Java, UNIX Shell Scripting, Middleware, Web
Server.
* Extensively worked on BEA WebLogic 9.x/10.x with expertise in
Installation, Configuration, Tuning, and Deploying applications on
Unix/Linux.
* Experienced with WebLogic JEE Application Server v8.1 and v10,
Apache/Tomcat webserver, Ant, JDBC, JMS, Oracle, etc.
* Experienced in configuring WebLogic servers in a Cluster solution for
High Availability, Load balancing and fail over support.
* Expert knowledge on distributed systems and the support of highly
distributed deployment J2EE servers.
* Experienced in WLST, Jython and ANT scripting to automate and monitor the
WebLogic routine tasks. Linux (Red Hat) and Solaris experience.
* Experienced in AIX 5.3, 6.1 and Solaris 10.
* Performed root cause analysis and suggested tuning methods for Server
problems like Server Crashes, Hangs and Out of Memory issues in various
JDKs like SUN JDK 1.3.x/1.4.x/1.5.x and BEA JROCKIT 1.4.x/1.5.0.
* Experienced with scripting in shell scripting (bash) and Jython, Python.
* Expertise in Handling Code Releases and Deploying applications in
Production.
* Significant experience with Big IP F5 Load Balancer administration, shell
scripting for alerting and alarming on applications. Significant
experience using HP OVO.
* Experienced in Sun One Java Web Server, Apache Web Server
* Experienced in finding the Memory Leaks and adjusting the JVM Heap Sizes
and GC Parameters.
* Monitors systems capacity and performance, plans and executes disaster
recovery procedures, and provides Tier 2 technical support.
* Experienced in Configuration of Workstation to view performance data in
Wily Introscope 7.0.
* Experienced in LDAP/SSO integration and multi-domain systems.
* Experienced in working with LDAP, SSO, CSS/GSS load balancing.
* Experienced in web-services integration using AXIS and XML Beans.
* Worked with large scale application deployment involving multiple
clusters.
* Experienced in h/w and s/w configs, clustering technologies, complex
storage technologies.
* Experienced with solutions for load balancing, caching and accelerators
* Programming experience in client, server technologies and Web
technologies.
* Good Experienced in writing high quality documentation, performed unit
testing and to prescribed software development process.
* Good Experienced in Banking, Financial industry.
* Experienced in Assist the team in supporting the application in QA and
production environments.
* Good Experienced in Development and System Testing.
* Good oral and written communication skills.
* Demonstrated ability to work both as an individual contributor and in a
team environment.
Technical Skills:
Application Servers Oracle WebLogic 8.1/9.x/10.x, IBM WebSphere
7.x/6.x, Tomcat 4.x/5.x, JBoss 4.x.
Web Servers Apache Tomcat 4.x/5.x, SunOne 6.1/Iplanet 6.0/5.1,
IIS, Netscape Enterprise server, Apache Web Server.
Operating Systems RedHat Linux, Solaris 8/9/10, SUSE Linux, AIX,
Windows NT/XP/2003/2008.
Languages Java, C, C++, PL/SQL, COBOL
J2EE Technologies JSP, Servlets, WebServices (Apache Axis 2),
Hibernate, SOAP, WSDL, HTML, JDBC, JNDI, XML, XSL,
JMS, IBM MQ JAXP, JAXB, Java Script.
Tools/Utilities Cute FTP, Jprobe, Ant, XMLSpy.
Protocols T3, T3S, Http, Https, Ftp,SOAP, LDAP, RMI/IIOP and
TCP/IP.
Databases & DB Tools Oracle 10g, MS SQL Server 2005, TOAD, SQL
Navigator, SQL Plus, MS Access
CASE & Version Control Subversion, Clear Quest, JIRA, CVS, Perforce,
Visual Source Safe.
Testing Tools JUnit, Win Runner 8.2, Test Director
Professional Experience
AT&T, Jersey City, NJ Jan'09 -
Till date
WebLogic Administrator / Support
Responsibilities:
> Worked with team Leads to create new infrastructure configuration
baseline for WebLogic 10.3.3 and Oracle SOA Suite 11g. Implemented BSC
requirements on WebLogic.
> Worked as Administration, maintenance, support and scaling of Application
Servers (WebLogic, Tomcat, JBoss, etc.).
> Performed installation, deployment and supported with http/https web
servers using Microsoft IIS and J2EE application Servers such as
WebSphere and WebLogic.
> Performed application software installation, upgrades, and
troubleshooting, including Oracle, WebLogic, WebLogic Portal, Apache,
JBoss, etc.
> Worked on web application and portal development on a large Oracle data
warehouse, and administration of a middle tier application server.
> Worked in programming and/or shell scripting (e.g. Java, perl, ksh,
tcsh).
> Excellent knowledge of Oracle/AquaLogic Service Bus and WebLogic
Application Server administration and support.
> WebLogic 8.1, 9.2, and 10gR3 Server, Integration and Portal, AquaLogic
Service Bus 2.1 and OBPM 10gR3 with substantial knowledge and experience
to include deployments, tuning, maintenance, capacity planning, and
upgrades.
> Worked in J2EE/Java, Servlet & JSP based systems deployment and support
Experience with CA/Wily Introscope to profile and debug issues.
> Worked in JEE configuration and development and Experience with WebLogic
JEE Application Server v8.1 & v10, Apache/Tomcat webserver, Ant, JDBC.
> Worked in WLST, Jython and ANT scripting to automate and monitor the
WebLogic routine tasks.
> Worked in managing system security including single sign on and directory
services preferably Oracle Internet Directory and Enterprise User
Security.
> Worked with Java, J2EE, XML, SQL and Shell/perl Scripting in a UNIX
environment.
> Worked with Web-base applications, SOA (Services Oriented Architectures)
and Web application servers (BEA WebLogic, WebSphere).
> Worked in UNIX / Perl scripting skills and have automated deployment
tasks in Sun Solaris 9, 10, and Linux.
> Worked in SQL+, PL/SQL, UNIX shell scripts.
> Experienced with HTTP, TCP/IP, SMTP, DNS, SSH, Routing, Switching,
Clustering, Load balancing, LAN Network theories.
> Worked in deploying and managing / administering WebLogic based
applications or (Apache, Tomcat, JBOSS).
> Worked on SOA structure and administrative processes and tools.
Environment: BEA WebLogic 8.x/9.x/10.x, IBM WebSphere MQ 5.3 CSD 08,
Oracle 9i/10g, Solaris 10, LINUX, Sun ONE Directory Server 6, SunOne
WebServer 6.0,Iplanet, Jython, ANT, AWK, IIS, Netegrity SiteMinder Policy
Server 5.5/6.0,LDAP
Delta Insurance, Lansing, MI
Nov'06 - Dec'08
WebLogic Administrator
Responsibilities:
> Worked with process documentation and process documentation tools (such
as Visio) experience with Unix system administration and TCP/IP
networking Experience using Java, J2EE, XML, SQL and Shell/perl Scripting
in a UNIX environment.
> Worked in software engineering or operating systems programming.
> BEA WebLogic 9.x/10.x with expertise in Installation, Configuration,
Tuning, and Deploying applications on Unix/Linux.
> Worked in configuring WebLogic servers in a Cluster solution for High
Availability, Load balancing and fail over support, Expert knowledge on
distributed systems and the supported of highly distributed deployment
J2EE servers.
> Built data-driven Web applications with server side J2EE technologies
like Servlets/JSP. Generated dynamic Web pages with Java Server Pages
(JSP).
> Experienced with web tier integration (SunOne, Apache) as well as Wily
Introscope, Siteminder Netegrity.
> (Expert experienced) in WLST, Jython and ANT scripting to automate and
monitor the WebLogic routine tasks. Linux (Red Hat) and Solaris
experience.
> Performed Installation and configuration of WebLogic servers and
clusters.
> Strong worked experienced of Migration from older technologies to
WebLogic.
> Monitored application server performance.
> Worked in deployment of applications on a J2EE application server
(preferably WebLogic).
> Migrated from 8.2 to 10.3 on the WebLogic Server.
> Senior level experienced in Application Server Administration - WebLogic
and WebSphere.
> Worked with UNIX Scripting (Korn and WLST).
> Strong knowledge and working experienced on Optimization and performance
tuning techniques.
> Experienced with Installation and configuration of WebLogic servers and
clusters.
> Experienced in Perform WebLogic upgrades and patching as they come from
Oracle with the special procedures as required for security.
> Performed WebLogic upgrades and patching as they come from Oracle with
the special procedures as required for security.
> Performance tuning/troubleshooting and in depth WLST scripting knowledge
for performing regular tasks.
> Worked with LDAP, SSO, CSS/GSS load balancing.
> Worked on life cycle implementation of OTM.
> Experienced in supporting Databases that use an Enterprise application
infrastructure solution experience Apache Tomcat or BEA Systems'
WebLogic.
> Experienced in Provide performance monitoring and measurement support.
Environment: WebLogic Server 8.1/9.x/10.x, Oracle SOA Suite 11g, UNIX,
Design, Capacity Planning, Sun Solaris, tier-3 application support,
Oracle10g, Apache.
PHH Mortgage, Mount Laurel, NJ
Feb'05 - Oct'06
WebLogic Administrator / Production Support
Responsibilities:
> Worked on Optimization and performance tuning techniques and also have
Experience in performance tuning.
> Provided WebLogic server instances into WebLogic clusters for high
availability.
> Worked independently or leading team.
> Worked in WebLogic server like jdbc, security, and install apache server
configuration.
> Worked in BEA webLogic Application Server 10 on UNIX and Linux platform,
Iplanet and Apache web server software.
> I have Strong knowledge and worked on Optimization and performance tuning
techniques.
> Performed installing, configuring, administering and performance tuning
clustered SOA environments.
> Worked on migration from Weblogic 8.x to Weblogic 10.x.
> Worked with Big IP F5 Load Balancer administration, shell scripting for
alerting and alarming on applications. Significant experience using HP
OVO.
> Worked in WebLogic Administration 8.x/9.x/10.x - installation/
deployments/ configuration/ maintenance/ performance/ monitoring/
troubleshooting Web based applications.
> Worked in Monitors systems capacity and performance, plans and executes
disaster recovery procedures, and provides Tier 2 technical support.
> Strong Experienced in WLST, Jython and ANT scripting to automate and
monitor the WebLogic routine tasks.
> Worked in WebLogic Administration with expertise in Installation,
Configuration, Tuning, and Deploying applications on a Windows platform.
> Worked with WebLogic Portal 8.1/9.X/10.X, UUP, VCR, WSRP, Java Page flow,
Beehive Controls
> Maintained and investigated performance improvement of J2EE applications
effectively using enterprise monitoring tools.
> Worked as administrating Jboss, WebSphere and/or WebLogic application
servers.
> Strong scripting skills (shell scripting, WebLogic WLST, JMX, WebLogic
Admin.
> Performed troubleshooting, performance and capacity tuning.
> Worked in Installation, maintenance, and tuning of UNIX hardware and
software systems.
> Supported of Applications running in WebSphere, JBoss and Tomcat.
> Participated in the on call rotation for 24x7 production support.
Environment: BEA WebLogic 8.1, IIS 5.0, Unix/Linux, Shell/Perl Scripting,
Oracle8i, Solaris 8, Apache Server 2.0, Netscape Enterprise Server,
Siteminder.
ICICI, India
Aug'03 - Jan'05
Web Administrator / Support
Responsibilities:
> Installing WebLogic 7.0 and applied Service Packs in different
environments.
> Installation, configuration and administration of BEA WebLogic in
clustered and non-clustered environments.
> Monitoring tools/scripts to get important information from all of
department's servers operating system and application patch level, disk
space and memory usage, users activities on day-to-day basis.
> Configuring individual servers for different environments.
> Deployed J2EE Web and EJB modules using WebLogic Command Line Deploy tool
and WebLogic Admin Console.
> Worked in Java and programming in JavaScript, J2EE.
> Used MVC design pattern with JSP, HTML for front-end and Servlets and
EJBs for Model layer.
> Implemented Session Beans for implementing Business Logic and Entity
Beans to persist the data into the database
> Used Java Message Service (JMS) for sending confirmations to the
passengers about ticket purchases.
> Configured Database Support for WebLogic Application Server.
> Used Ant Build scripts for compiling and deploying the application onto
Apache Tomcat Web Container.
> Worked on Configuring JDBC Connection Pools, data sources, Executed
Threads etc.
> Worked on ITILV2 and ITILV3
> Responsible for application changes across different platforms -
development, testing and production environments.
> Performed Installing and configuring SiteMinder and IIS on the Intel
machines.
> Used various security roles for maintaining security realms in staging
and production environments.
> Used basic Perl scripting to automate the system.
> Performed File system and Application backups. Responsible for the
maintenance of the application, troubleshooting applications problems on
client and server side.
> Managed the User accounts and assisted users on the applications
Environment: BEA WebLogic 7.0, IIS 5.0, Unix/Linux, WindowsNT/2000,
Shell/Perl Scripting, Oracle8i, Apache Server 2.0, SiteMinder.
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