SUMMARY

• Over 7 years of experience in IT and over 6 years of planning, design, architecture, deployment, testing and administration of Web Solutions using WebLogic Application Server.
• Extensive experience in Sun Solaris, Red Hat Linux, HP-UX, IBM AIX and Windows with WebLogic Administration.
• Highly experienced in designing and developing Web Solutions using Apache, Sun one Web Server, WebLogic Application Server.
• Expertise in installing, configuring, and administering WebLogic Server 6.x/7.x/8.x/9.x/10.x/11.x in various environments.
• Strong experience in setting up Multiple Domains, Managed servers, Machines, Node managers and Cluster (horizontal and vertical)environments.
• Vast experience indeploying applicationsin clustered environment using Admin console and Shell scripts.
• Proficient in developing Shell/WLST scripts to automate various processes in WebLogic such as Start server in case of shutdown, Log Rotation, Deployment.
• Expertise in creating, configuring and administering JDBC connections, JMS server.
• Experienced in Migration of WebLogic andapplying Patches WebLogic.
• Installed and configured Sun ONE 6.x & Apache 2.x Web Server and integrated them with WebLogic.
• Installed, Deployed and maintenance of Enterprise Applications on Tomcat.
• Substantial expertise in working with Load balancing, Firewall.
• Extensive knowledge of RDBMS like Oracle, DB2.
• Experience working with database utilities Oracle Sql plus client.
• Significant Knowledge of F5 Load Balancer with Web servers to provide scalability and reliability.
• Familiar with Security implementation using SiteMinder, LDAP.
• Verified change control requests and performed configuration changes in the Architecture
• Actively participated in team meetings and suggested ideas to improve performance.
• Extensive experience in Performance Tuning by Tweaking JVM parameter, Execute Threads, size of Connection Pools.
• Monitored and Managed JVM performance tuning by adjusting JVM Heap size and GC parameters by monitoring heap and physical memory.
• Monitored WebLogic server resources using Wily Introscope.
• Experience in analyzing the Thread dumps for various performance issues.
• Configured and setup Secure Sockets Layers (SSL) for data encryption and client authentication.
• Generated Certificate and installed it on the Web server to secure the environment.
• Experience in web application development using J2EE related technologies. Well-versed in all phases of Software Development Life Cycle, SOA.
• Experience in Backup and Recovery procedures.
• Created Cronjobs for timely running of jobs.
• Provided 24x7 on-call support for production environment.
• Articulate in written and verbal communication along with strong interpersonal, analytical, and organizational skills.
• Highly motivated team player with the ability to work independently and adapt quickly to new and emerging technologies.

Technical Skills

Application Server:

WebLogic Server 6.x/7.x/8.x/9.x/10.x, Tomcat 5.x/6.x, Jboss 4.x, 6.1, WebSphere6.x.

Web Servers:

Apache HTTP Server 2.x, iPlanet Sun one Web Server 6.x, IBM-HTTP Server 7.x, IIS Server 6.0.

Operating Systems:

Solaris 8,9,10, Red Hat LINUX, Unix-AIX, HP-UX, Windows 2000/2003/NT/XP.

Programming Languages:

C, C++, Java, SQL, PL-SQL.

J2EE Technologies:

JSP/Servlet, JDBC, RMI, JMS, JTA, JNDI, JMX, EJB, Applets and Swing components, AWT.

Web Technologies:

HTML, XMLs.

Scripting Languages:

Unix Shell Scripting, WLST, Perl, ANT, Python.

Packages:

JDK 1.2/1.3/1.4/1.5/1.6, JSDK 2.0, JRockit 1.5/1.6.

IDE’s/Utilities:

Eclipse, IBM RAD, WebLogic Workshop, MS Visual Studio 2005, SSH, OpenSSL, Putty and WLST.

Databases:

Oracle 8i/9i/10g, IBM DB2, Sybase, Pointbase, My SQL 4.0, MS SQL Server.

Networking & Protocols:

TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS, DHCP.

Tools:

Wily Introscope, Jmeter, JRockit Mission Control, Bamboo integration, Remedy, CVS, HP Open View, Jira.

Professional Experience

Marsh and McLennan companies. – Hoboken, NJ. June 11 –Till Date

Designation: Application Support Engineer
Role: Application / Web Server Administrator.

Responsibilities:

• Worked highly complex integrated and highly scalable application Architecture.
• Performed WebLogic 10.0.x/10.3.x server administration tasks such as installation, configuration on HP-UX.
• Administered and configured WebLogic 6.1/8.1 server, Tomcat 6.x on Solaris 10, Linux.
• Provided production Support for various applications.
• Configured and Troubleshoot of Web Logic Application Server Data Sources, Multi Data sources for Oracle 9g/11g.
• Created and Troubleshoot JMS resources and integrated Web logic with IBM MQ.
• Configured Horizontal & Vertical cluster and deployed applications on it for various environments such as Dev, QA, UAT, Performance and Production.
• Configured and deployed Cache Coherence for Web logic servers on various environments.
• Developed Coherence console to verify servers in coherence cloud.
• Build and Deploying J2EE applications on Clustered Web logic Servers.
• Installed and administered Apache Web servers 2.2.1 & iplanet 6.1 on Red Hat Linux 5.0 and Solaris.
• Installed Apache and iplanet web server proxy front-end for Application Servers.
• Created self-sign certs and installed vendor’s certs for Apache, iplanet web server.
• Integrated IBM Webseal with Web logic application server.
• Implemented Windows Authentication using Pingfederate.
• Created Shell scripts to multiple batch jobs.
• Created Autosys Batch scheduling jils to schedule various batch jobs.
• Created WLST and Python scripts to create and remove application users in Weblogic LDAP.
• Performed Disaster Recovery by replicating server components from Prod to DR container and brought applications from DR Container.
• Configured Wily Introscope agent for different domains and various process monitored performance of applications.
• Monitored and created alert for various processes in Wily Introscope.
• Worked Load Balancers team to configure BIG IP F5 Load Balancers, VIP and integrated with Apache web server.
• Worked closely with Application Developer team to tune JVMs.
• Resolved heap issues using GC log analysis, heap dump analysis using Eclipse Heap Analyzer and thread dump analysis for JVMs hung issue.
• Installed Oracle Database Client on Linux Servers.
• Documented major configuration changes and system architecture changes.
• Worked with Oracle and Pingfederate vendors to resolve product issues.
• Worked on clear case to create tickets, change orders and IBM rational clear quest.

Environment: WebLogic Server 6.1/8.1/10.0.x/10.3.x, JBoss 6.1, Tomcat 6.x, Coherence server, Apache 2.2.1, iplanet 6.1, IIS 6.x, HP-UX, Red Hat Linux 5.5, Solaris 10, Windows 2003, SUN JDK / Jrockit 1.6, Shell Script, WLST, Python, WSDL, Wily, Oracle RMB, Pingfederate, Kerberos, Fiddler, WireShark.

Confidential, Cincinnati, OH. Feb 11 – May 11

Designation: WebLogic Administrator
Role: Migration WebLogic 9.2.2 to 11g.

Responsibilities:
Primary support person for Weblogic environments - Installed, configured and administered Weblogic Server 9.2.2, 11g in various environments on Linux operation system.
Involved in planning & implementing high availability environments which included Weblogic server clusters, session replication, multi-pools, distributed destinations and hardware load balancing & failover.
Migrated J2EE application environments from version 9.2.2 on Solaris to WebLogic server 11g on Linux.
Pushing Oracle new patching on Apps server to fix Bugs using oracle smart update utility.
Configured and administered JDBC Connection Pools/Multi Pools/Data Sources on Weblogic Server 9.2.2/11g using backend oracle 10g RAC DB.

• Created and Troubleshoot JMS Resources for JMS servers.
• Modified Ant scripts to build application for both Weblogic 9.2.2 and Weblogic 11g.
• Build and Deploying application (WAR/EAR/Exploded Deployment) on Clustered Weblogic Servers using Bamboo integration tool & troubleshooting issues related it.
• Solved errors of hibernate and spring during J2EE Application Migration.
• Administering Weblogic security through admin console. Manage access and roles to console.
• Integrating Weblogic Environments with Apache web server 2.2 for reverse proxy.
• Created shell scripts using JRCMD utility to get server info such as heap diagnostics, Memory Usage, Command line, Thread Dump.
• Modified and validated shell scripts and WLST for application server 11g.
• Exposure to diagnose and resolve performance Heap management, memory leaks, excessive garbage collection, threading issues and other java coding problems using Jrockit Mission control and some JDK/Jrockit default tool Jmap/jrcmd.
• Resolved hot deployment for WebLogic 9.2.2.
• Used VNC client to install GUI based Weblogic portal.
• Analyzed aggregate report for WebLogic 9.2.2 and 11g using Jmeter.
• JVM memory parameter tuning and benchmarking different type of garbage collectors.
• Configured wily Introscope agent for different domains, monitored performance of applications & get JMX custom metrics. Designed custom dashboard based on the application team requirements.
• Document day to day problems, major configuration changes and system architecture changes.

Environment: WebLogic Server 9.2.2/11g, Apache 2.x, Solaris 9, Red Hat Linux, Sun 1.5, Jrockit 1.6, Ant , Shell Script, WLST, Apache Jmeter, Wily, Bamboo integration server, JRMC, CVS, Jira

Designation: Sr. WebLogic Administrator
Role: On Call support, Performance Enhancement and Setup.

Responsibilities:

Project Performance Enhancement:

• Participated as WebLogic administrator in performance testing team.
• Tuned File Descriptor to increase response time.
• Tuned compilationparameters for JSP/Servlets faster reloading
• Improved JMS performance by message paging.
• Conducted performance tuning using GC log analysis, heap dump analysis using IBM Heap Analyzer and thread dump analysis using Thread Analyzer.
• Analyzed and resolved issues related to High CPU usage, slow database query response, memory paging, and response time (timeout) issues.
• Involved in capacity Sizing determination and designing highly scalable architecture systems
• Utilized Wily Introscope during performance tuning.
• Resolved Memory leaks and memory consumption by heap analyzer.
• Monitored daily Health check of WebLogic Servers to achieve best performance of applications.
• Worked with developers to resolve bug fixes, analyze issues.

Environment Setup:

• Performed WebLogic 9.2/10.3 server administration tasks such as installation, configuration, monitoring and performance tuning for Test/Production environments.
• Upgraded WebLogic Server 9.2 to 10.3.
• Configured and monitored JMS Server resources in WebLogic and tuned the applications with work manager.
• Configured and Troubleshoot of WebLogic Application Server Data Sources, Multi Data sources for Oracle 10g.
• Configured Horizontal & Vertical cluster and deployed applications on it for various work environments such as Dev, Prod and UAT.
• Installation, Configuration and Maintenance of JBoss 4.x on Solaris platform.
• Installed and administered iPlanet Sun one Web servers 6.0 on Red Hat Linux.
• Administered and configured IIS server on Windows 2008.
• Managing and implementing JMS services using IBM MQ 6.x.
• Oracle Service Bus 10.3 set up and administration on Oracle Linux based platform.
• Installed and configured Plug-ins for Apache Web server and Sun One Web server to proxy the request for WebLogic server.
• Integrated WebLogic with LDAP for security authentication.
• Worked System admin for firewall issues, opening requests for BIG IP F5 Load Balancers, backup operations.
• Configured SSL certificates for WebLogic managed servers and Sun one web servers.
• Developed scripts for configuration of WebLogic resources, application deployment in cluster.
• Developed Python/WLST scripts to automate the maintenance process of WebLogic Servers and restore from backed WebLogic configuration.
• Secondary support for several BEA weblogic Portal 9.2, IBM MQ 6.x.
• Applied Fix packs to WebLogic application server. Resolved issues related to vulnerabilities by working with IBM/Oracle support.
• Documented the design, created new test plan and troubleshooting procedures.

Environment: WebLogic Server 9.2/10.3, JBoss 6.x, WebSphere6.x, iPlanet Sun One Web Server 6.x, IIS 6.x, Solaris 8/9, Red Hat Linux, AIX, Windows, LDAP, JDK 1.5/1.6, J2EE, EJB, JSP/Servlet, JRockit 1.5, Sun Jdk 1.5/1.6, Python, HP Open View, Wily Introscope, WLST, JDBC, XML, Oracle10g, CVS.

Confidential, San Mateo, CA. Dec 08 - Feb 10

Designation: WebLogic Administrator
Role: Administration of WebLogic Application & Web server

Responsibilities:

• Architecture design, build, configure WebLogic environment for Active, Failover Situations.
• Installed, configured, administered WebLogic Application Server 9.2/8.1 on Solaris environment.
• Assisted Migration to WebLogic 9.2.to WebLogic 8.1.
• Experience in setting up WebLogic Horizontal & Vertical clustered environment to provide Failover and Work Load management.
• Experience in configuring WebLogic with databases such as Oracle 9i, DB2.
• Configure and administered of JDBC, JMS, JNDI resources in WebLogic Server 9.2.
• Install, configure Apache Web server 2.x, WebLogic Plug-in to Proxy the request for WebLogic server.
• Installation, Configuration and Maintenance of Tomcat 5.x on win2k3, Solaris platform.
• Production on call Level 2 support. Handled WebLogic issues like connection issues, slow running queries, out of memory exceptions, High CPU usage.
• Well versed with Shell scripting to provide Automation for configuring resources.
• Configured apache with Netegrity SiteMinder for external authentication, experience installing and managing Webagents.
• Create & configure Queues, Queue Connection Factories, and Queue Destinations.
• Deployed the Java Archive Files and EJB applications on multiple WebLogic servers Instances.
• Supported, monitored all Applications at Development, Testing and Production environment
• Developed backup scripts for provisioning of WebLogic configuration in the dev/qa/production environments so as to ensure backup prior to changes.
• Configured SSL setup for Apache. Configured SSL between Apache and WebLogic plug-in.
• Configured Log rotation for Apache and log redirection for plug-in.
• Experience in using Wily Introscope for performance monitoring of database connection pooling, JVM Heaps, web container threads under load.
• Analyzed Thread dumps, Core dumps, Server hang and resolve them.
• Developed CronTab scripts to ensure timely running of jobs and updating server status.
• Worked with Load Balance team to apply F-5 Load Balancer rules for Web Server.
• Tuned the TCP-related parameters in Operating system level to improve system performance and reduce dropped connections.
• Involved in DR plan to Restore WebLogic services in-case of failover.
• Coordinated with the Developers to setup, configure, and support WebLogic Applications Servers.
• Documented system architecture changes, configuration changes, problem solutions.

Environment: WebLogic 8.1/9.2, Solaris 8/9, Windows Server 2003, Apache 2.0, Oracle 9i, IBM DB2, Shell Scripting, WLST, Python, JRockit 1.4, JDBC, EJB, SSL, XML, LDAP, CVS.

Confidential,Irvine, CA. Mar 07 – Nov 08

Designation: WebLogic Administrator
Role: Administration of WebLogic Application & Web server

Responsibilities:

• Installing, configuring and administering Application server WebLogic 8.1 on Solaris and Windows platform for Deployment and Production environments.
• Configured JDBC Data resources, Multi Data sources and bounded to Managed Instance.
• Created the JMS Server, JMS Connection Factories, Queues, Topics, Database Store and Message Bridges and monitored.
• Troubleshoot WebLogic Application Server connection pool with Oracle 9i.
• Install and configure Apache 2.x and Sun One Web Server 6.x in various environments.
• Deployed the Web applications in cluster environments.
• Developed WLST scripts to monitor domains, log rotation, monitor web server connections with application server, monitor disk usage and auto deployment process.
• Involved in Migration from WebLogic 7.0 to WebLogic 8.1.
• Configured applications deployment changes for Development, Stage, Testing environments.
• Applied patches to the WebLogic servers.
• Worked with LDAP team to configure with LDAP with web server.
• Monitored WebLogic Server using tools such as Simple Network Management Protocol.
• Testing and profiling to measure the performance of the applications.
• Performance monitoring by observing JVM Heap Size on regular intervals and invoking JAVA Garbage Collector to free up JVM Heap memory.
• Monitored Memory usage of applications using Wily Introscope.
• Conducted performance and scalability audits of applications and the application servers.
• Configured SSL and Digital Certificates for requesting, generating and implementation for the communication between web server and the Application Server.
• Supported in documenting design procedures and test plans.
• Supported on call schedule for Production Support.

Environment: WebLogic 8.1, Apache 2.x, Sun one Web server 6.x, Perl, J2EE, EJB, JDBC, JNDI, Solaris 8, Oracle 9i/8i, LDAP.

EDUCATION

Bachelor of Engineering