SUMMARY

• Around 8 years of strong experience with in - depth knowledge in the designing, planning, installation, configuration and migration of Oracle WebLogic administration and 4 years in Apache 1.3/2.0/2.1/2.2, Tomcat 5.x/6.x, JBOSS 4.x/5.x
• Extensive Professional experience in Systems Administration which includes WebLogic Administration, providing support for Production, Testing and Development environment
• Strong Experience on installation, server configuration, deployment, upgrading, migration performance tuning including trouble shooting and maintenance of WebLogic Server 8.x/9.x/10.x/11g, Websphere Application Server 6.x/7.x/8/x
• Experience in WebLogic Administration under heterogeneous environment consisting of SUN Solaris 8.0, 9.0, 10.0, Red Hat Enterprise Linux 3.0/4.0/5.0, Windows NT /2000/XP, HP-UX Itanium 11.23 and AIX.
• Highly Experienced in SSO, ClearCase and SAML implementations using CA Siteminder to secure internal as well as external applications and Web Services
• Extensive working experience on clustering, performance tuning (JVM options, Load Runner) load balancing, connection pool, multi pool, JMS message Queue and Monitoring.
• Experience on SOA products administration for OSB/BPEL/BAM.
• Experienced in deploying applications (WAR, JAR and EAR) in stand-alone domain and clustered environments and automate regular production, test and dev environment deployment processes.
• Experienced in configuration and application deployments on OSB/BPEL/BAM.
• Experience on Managing and Monitoring the JVM performance by WebLogic Heap Size, Garbage collection.
• Experience in Datacenter move designs and DR activities.
• Experience in complete Software Development Life Cycle, which includes Systems Analysis, Design, Development, Testing and Documentation of various applications in Client/Server, Internet/Intranet (Web) Environment.
• Excellent knowledge of UNIX shell and ANT scripting to automate System Admin jobs and ability to use tools like Cron, top, netstat, ps and Shell script and good knowledge on SQL, PL/SQL.
• Proficient in Version Control Systems like CVS, Rational ClearCase and SVN.
• Installed and configured Wily Introscope (CA) and DynaTrace monitoring tools for monitoring the applications which are running in the application server and troubleshooting using Wily Introscope, JProfiler and taking appropriate actions analyzing error logs using Samurai Log Analyzer.
• Experience in Setting up and configuring Active Directory Authenticators via Web Logic Admin console.
• Experience in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters and resolving performance issues by analyzing thread dump, GC values and heap dump.
• Experience in implementing Fail-Over, Fail-Back and Backup strategies for WebLogic environments and implementing WebLogic best practices for Deployments, System Configuration, Capacity Planning, Infrastructure Architecture, Fail Over, Backup and Recovery, Scalability, and Security.
• Worked with Management MBeans (JMX) to write the automatic tasks, and involved JVM tuning options.
• Experienced in Node Manager Configuration, remote managed server start and stop, SSL communication between admin server and node manager.
• Worked with F5 Networks -Big-IP for high availability load balancing of traffic to the various internet web services.
• Familiar with LDAP, Netegrity Site Minder single sign-on configurations and replications for MS Active Directory.
• Built a high performance unique coupon system supporting both the ATG based website and the in-store POS system.
• Redesigned and upgraded companies Site minder Infrastructure to new version (Site minder 4.x to 6.x) and deployed into a highly redundant and sustainable solution.
• Knowledge of protocols utilized in web infrastructure like TCP/IP/HTTP/SSH/SSL/DNS/RMI /IIOP/ORB as well as troubleshooting connectivity of these protocols.
• Experience in Implementing JMS with IBM MQ Series using single and distributed queues.
• Provided 24 X 7 technical supports for applications running on WebLogic/Clarify CRM integration and communicated requirements effectively to team members.

TECHNICAL SKILLS

Languages: C, C++, Java, Perl, Unix Shell Scripting (BASH), SQL, T-SQL, PL/SQL, Ant Scripting, WLST, Jython

Application servers: Weblogic 7.0/8.1/9.x/10.x11, Apache2.x, Tomcat 6.x/7, JBoss 4.x/5.x, Oracle SOA 10g/11g, IIS, Sun one Webserver, MQ

Databases & DB tools: Oracle 8i/9i/10g/11g, MySQL 5.0, Microsoft SQL Server 2000/2005/2008, MS Access, SQL Plus 10.1, DB2

IDE/Utilities: Netbeans 6.8, Eclipse 3.4.2, Putty, SSH, OpenSSL, OpenSSH, Telnet, rsync, Rlogin, Siteminder, Big IP F5 Load Balancer, Sitescope

Protocols: T3, Http, Https, FTP, TCP/IP

Operating Systems: Windows 2000/XP/Vista/7, Red Hat Linux 4.0/5.5/6.3, Sun Solaris 8.0/9.0/10.0

J2EE Technologies: JSP, Servlets, Struts, EJB 3.0, Spring, HTML, WSDL, JDBC, JNDI, XML, XSLT, JMS, JavaScript (JDK 1.4/1.5)

PROFESSIONAL EXPERIENCE

Confidential - Chicago, IL

WebLogic Administrator

Responsibilities:

• Installing, configuring and maintain WebLogic Server 11/10.x, JBOSS 6.x Domains on Sun Solaris, RHEL and windows platforms.
• Responsible for Administration of WebLogic Domains configuration, Deployment and Performance tuning.
• Deploying EAR/WAR/JAR files on clustered WebLogic and JBOSS Domains and scripting automated deployments scripts.
• Deploying the code in various environments from development, staging and Production servers.
• Installed and configured Apache web server, Configured Virtual Hosts, Configured Plug-ins between Apache server and Web Sphere Servers, Tomcat Servers and JBoss Servers.
• Created Cron Tab Scripts for timely running jobs.
• Monitored WebLogic and JBoss CPU processes and vmstats using CA Wily IntroScope 8.0 and monitored applications
• Monitoring and Managing the JVM performance by JBoss Heap size, garbage collection, JDBC Pools and taking Thread dumps, pstack and prstat and analyzing to find the problems in application.
• Creation of SSL and Digital Certificates which include requesting, generating and implementation for the communication between Web Server and Application server.
• Provided support for teams in activities such as load testing, trouble shooting and performance tuning.
• Involved in Code Migration from development to production environment.
• Responsible for the installation and configuration of Apache Webservers and migrating existing Apache Webservers from Apache 2.2 to Apache 2.4.
• Performance tuning of JVM Heap Size, garbage collection, Java stack, native thread and production performance.
• Monitoring the error logs, server logs and fixing the problems and Performance tuning of JBoss servers.
• Troubleshooting JBoss server connection pooling and connection manager with Oracle 11g and DB2.
• Monitoring wellness of various applications in Test environments.
• Creating shell scripts to automate the installation procedures for JBoss servers.
• Configured modjk and workers.properties to distribute the load across clustered Tomcat instances.
• Configured F5 Hard Ware Load balancer to balance the loads on Apache Web Servers.
• Coordinated with Development team, Network team and Data base team to troubleshoot the errors and bugs in the production servers.

Environment: Weblogic, JBoss, Apache, Tomcat, SUN Solaris, Aix, Windows server, RedHat, Sun JDK, BEA JRockit, Wily IntroScope, F5 Load Balancers, TOAD, Oracle, SQL, Python, Jython, Shell scripting, Perl scripting.

Confidential - Atlanta, GA

WebLogic Administrator

Responsibilities:

• Installed, Configured, Administered and Monitored of WebLogic Application Server 10.x in various environments (Linux and windows)
• Installed, Configured & Administered Apache Tomcat Server. Also, experienced with Load Balancing & Clustering with multiple Apache Tomcat Server Instances.
• Administered Apache HTTP Server 2.0.
• Configured Web Logic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions.
• Configured and administered JMS, and JNDI in WebLogic Server 10.x.
• Configured web agents of Wily Introscope with WebLogic server.
• Configuration wizard was used extensively to create, manage WebLogic domain and configure various environments.
• Configured and Administered JDBC connection of WebLogic server with Oracle9i database.
• Build and implemented Disaster Recovery strategies for WebLogic Domains.
• Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
• Provided WLST (Python script) and configuring various WebLogic components/services.
• Code deployments in BEA Web logic environment.
• Creating, administering, and troubleshooting development, test environments and performance environments.
• Upgrading the environments.
• Interaction with other teams, DBAs, SAs, and external clients to resolve the critical tickets and escalated issues.
• Setting up the test environment as per the requirements from testing and development team.
• Making sure that environment is always available to the end user.
• Monitoring and increasing the performance of environment and application.
• Analyze the connections to external systems
• Trouble shooting and resolving the issues that rise in Environment and applications.
• Finding the root cause and submitting the root cause analysis report.
• Suggesting various possible solutions to issues.

Environment: WebLogic Server, Windows, Path-To-Production (Production, Production Failover, CONS, integration of MQ series, Stress, Development, Next Release Development, SLA, Forward Engineering, Performance Support/ Data Migration, Proof of Concept), JRockit, Sun JDK, LDAP, EJB, ADAM Server, Apache Tomcat, Apache Web Server, Load Balancer, MSSQL .

Confidential - Irvine, CA

WebLogic Administrator

Responsibilities:

• Performed installation, configuration and administration of WebLogic environments in dev, test and production
• Performing deployments of JAR, WAR and EAR applications in clustered environment with WebLogic environments.
• Creating, administering, and troubleshooting, QA, Prod environments and performance environments.
• Managing and Monitoring the JVM performance by WebLogic Heap Size, Garbage collection
• JDBC Connection Pool configuration and JMS Configurations.
• Interaction with other teams, DBAs, SAs, and external clients to resolve the critical tickets and escalated issues.
• Making sure that environment is always available to the end user.
• Monitoring and increasing the performance of environment and applications.
• Analyze the connections to external systems
• Trouble shooting and resolving the issues that rise in Environment and applications.
• Finding the root cause and submitting the root cause analysis report.
• Upgrading the environments from one release to other release.
• Responsible for preparing Implementation Plan templates for WebLogic Application Deployments and any other Infrastructure changes.
• Responsible for implementing solutions with WebLogic for stand-alone and clustered environments using HTTP Plug-ins for Apache and Sun One Web Servers.
• Configured the reliable HTTP Session management for clustered applications, DNS, FTP, and Virtual hosts.
• Performed Load testing for specified load on particular application, Capacity Testing to determine max load on application, and Stress Testing to determine stability and reliability of an application using Grinder Tool.
• Log files analysis such as WebLogic server logs, node manager logs, plug-in logs, and thread dumps, verbosegc logs for troubleshooting and problem determination to resolve issues.
• Configured and Troubleshoot WebLogic Node Manager for local / remote administration of Managed servers in SUN Solaris and Red Hat Linux Platform.
• Extensively used WLST (WebLogic Scripting Tool) and UNIX Shell Scripts to monitor and manage WebLogic server instances and domains.
• Configured and set up Secure Sockets Layers (SSL) for data encryption and client authentication.
• Responsible for configuring Wily Introscope to monitor the performance of WebLogic Application Servers.
• Provide 24/7 on call support.

Environment: BEA WebLogic, JBOSS, Apache HTTP Server, Apache Tomcat . Servers, JDK, Akamai Load balancers using Cisco and BigIP, HP OVO alarm, Symantec Enterprise Security Manager (ESM), Oracle, Wily Introscope, OEM.

Confidential - Miami, FL

WebLogic Administrator

Responsibilities:

• Installed, Configured, Administered and Monitored of WebLogic Application Server in various environments (Linux and windows)
• Installed, Configured & Administered Apache Tomcat Server also, experienced with Load Balancing & Clustering with multiple Apache Tomcat Server Instances.
• Administered Apache HTTP Server .
• Configured WebLogic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions.
• Configured and administered JMS, and JNDI in WebLogic Server .
• Configured web agents of Wily Introscope with WebLogic server.
• Configuration wizard was used extensively to create, manage WebLogic domain and configure various environments.
• Configured and Administered JDBC connection of WebLogic server with Oracle database.
• Build and implemented Disaster Recovery strategies for WebLogic Domains.
• Deployed WARs, EARs using WebLogic Admin Console as well as running scripts.
• Provided WLST (Python script) and configuring various WebLogic components/services.
• Creating, administering, and troubleshooting development, test environments and performance environments.
• Interaction with other teams, DBAs, SAs, and external clients to resolve the critical tickets and escalated issues.
• Setting up the test environment as per the requirements from testing and development team.
• Monitoring and increasing the performance of environment and application.
• Analyze the connections to external systems
• Trouble shooting and resolving the issues that rise in Environment and applications.
• Finding the root cause and submitting the root cause analysis report.

Environment: WebLogic Server, Windows, Path-To-Production (Production, Production Failover, CONS, integration of MQ series, Stress, Development, Next Release Development, SLA, Forward Engineering, Performance Support/ Data Migration, Proof of Concept), JRockit, Sun JDK, LDAP, EJB, ADAM Server, Apache Tomcat, Apache Web Server, Load Balancer, MSSQL .

Confidential -Pittsburgh,PA

Middleware Administrator

Responsibilities:

• Involved in installing and configuring the BEA WebLogic Application Server on Red Hat Enterprise Linux, HP-UX Itanium 64 bit Machines, Windows Servers.
• Installed and configured WebLogic Integration Server and Created WLI Domain for the Application Deployment.
• Worked on WebLogic administration and WebLogic propagation tool to import/export portal Database across the environments.
• Installation, Configuring, troubleshooting and maintaining the Apache, SunOne Web server, Iplanet Web server, IIS web server.
• Experience in Installing, Configuring and Trouble-Shooting Application Servers likes IBM WebSphere and Web Servers like IBM HTTP Server, Apache Web server, NES on windows, Linux, AIX and Sun Solaris platforms.
• Installing, configuring and maintenance of Aqualogic service bus with WebLogic serve on various environments like Solaris, Linux and windows.
• Created WebLogic domains, managed servers, clusters, machines and start up scripts.
• Configuring WebLogic server as per the project requirements like Connection Pools, Data Sources.
• Configured JDBC resources, data sources and bounded to the J2EE applications, configured the connection pools for the data sources.Created the JMS Server, JMS Connection Factories, Queues, Topics, FileStore, Database Store and Message Bridges and monitored.
• Tuned JVM parameters for the memory related issues.
• Created and monitored the JMS Servers, JMS Connection Factories, Queues, Topics, File Store, Database Store and Message Bridges.
• Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and taking Thread dumps, pstack and prstat and analyzing to find the problems in application.
• Configured the Session Management i.e. Memory to Memory and Database replication on WebLogic Application server.
• Deployed Applications like (WAR, JAR, and EAR) on WebLogic Portal Server, Tomcat Application server
• Applying WebLogic eFixes, Fix-Packs, License.
• Worked on java application tools such as JProbe, OptimizeIt.
• Worked with MQ series to post and receive messages using MQ channel.
• Generated and configured keys in IBM Http Server.
• Worked extensively with applications that have Apache as front end and oracle as the backend
• Involved Release management and deployment process.
• Extensively worked WebLogic clustering load balancing, performance tuning.
• Experience in writing WLST scripts for deployment, start and stop servers.
• Developed shell scripts to check flag status in different domains for third party connections.
• Created and maintained UAT/Pre Production and Production environments.
• Trouble shooting, Performance tuning and Capacity Monitoring of Applications Servers using Wily .
• Understood the working of overall architecture along with application flow for faster and efficient troubleshooting.

Environment: WebLogic Server, WebLogic Integration, IBM Websphere Application Server, WebLogic Workshop, weblogic Portal, J2EE, JSP, Servlets, Windows, EJB, Sun Web server, Wily, Mercury sitescope, Tomcat, Apache, SSH, TOAD, Oracle, SQL, RHEL, Python, Perl, Jython, Unix, Shell scripting, WLST.