SUMMARY

• Overall 7 +years of experience in IT industry as Systems and Application server Administrator with expertise in BEA Web Logic Server 8.1/9.2/10g/11g and 12c, Red Hat Linux and Windows Server 2003/2008
• Experience in administration and support of several Web and Application servers
• Extensive Experience in Installation (Manual/Automated), Support, Upgrades, Deployment and Application Configuration of Web logic 8.1.x, 9.x,10.x and 11g
• Strong experience with automation using WLST, python and UNIX Shell scripts. dis involved building several tools for installation, configuration and deployment different web application.
• Involved in the design and Capacity planning for achieving scalability and high Availability for E - business.
• Strong troubleshooting in weblogic by taking thread dumps and heap dumps.
• Working with Oracle support team to get resolve weblogic issues by submitting oracle SRs.
• Strong Experience with setting up software level clustering, load balancing for different web, application servers
• Developed several J2EE Proof of Concepts while performing the certification of new weblogic versions, upgrading application and troubleshooting application performance issues
• Involved in configuring proxy plug-ins for Apache webserver to the backend application server that involve Weblogic.
• Involved in configuring the security plug-in/Custom Security providers for weblogic resource protection
• Experienced in Migrations and upgrades Weblogic 9.1/9.2 to 10.3 and 11g server releases.

TECHNICAL SKILLS

Operating Systems: Solaris 9/10, Suse Linux 9/10, HP Unix, Windows 2003/2008

Languages: Java, SQL, Visual Basic, C

Scripting: Unix Scripting, WLST

Databases: Oracle9.x,10g,11g MS SQL Server 2005/2008, DB2, VSAM

Servers: Weblogic 8.x/9.1/10g and 11g, Tomcat 5/6, JBoss 5.1.x/6.x, IIS, Sun one/IPlanet 6.0/6.x, Apache2.x

Version Control: PVCS, CVS, VSS

Technologies: Yantra 5.0, 5.5, JSP, XML/XSL, SOAP, ASP, HTML/DHTML, SNA/COMTI, Crystal Reports, Actuate Reporting, COM/DCOM

Integration Tech.: ALSB, Business Works, MQ Series 5.x.

Tools: MSOffice, Wily, JProbe, Clear Quest, JRMC

PROFESSIONAL EXPERIENCE

Confidential, Wilmington, DE

Sr.Weblogic/Web Administrator

Responsibilities:

• Installing Weblogic 10.3 and 10.3.5 and configuring according to application team standards and directory structure
• Administration and Configuration of WebLogic Sever and Portal 10.3 in Development and Production environments on Windows Platforms and Linux environments.
• Upgraded Application environment from WebLogic 9.2 to WebLogic Server 10.3 using upgrade wizard and also custom made scripts.
• Provided 24x7 supports for major applications that involved troubleshooting issues in application components, application servers, web servers, integration environments, load balancers and DNS aliases.
• Coordinated production outages and facilitated resolution by working with several teams like UNIX, Network, Database, Infrastructure and Application teams.
• Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.
• Automated decommissioning of applications to maintain a clean server environment.
• Configured/Deployed Business services, Proxy Services, Service accounts, JNDI Providers using ALSB console
• Coordinated with Oracle for implementation across the enterprise and tested the patches
• Involved in fine tuning the performance of critical applications both vertically and horizontally.
• Involved actively in troubleshooting application issues by analyzing the performance metrics from Weblogic console, thread dumps and polling certain key mbean attributes using weblogic.ADMIN utility.
• Involved actively in troubleshooting the JVM crashes by analyzing the core dumps using dbx, other diagnostic artifacts and also worked closely with Sun Engineers to trouble shoot JVM issues
• Gatheird Solaris OS specific information that uses vmstat, prstat, truss, pstack, pmap and pfiles during the troubleshooting
• Configured proxy plug-in for weblogic under Apache web server. Fine tuned plug-in parameters like WLIOTimeoutSecs.
• Developed and engineered standards for Weblogic under Wintel environments that involve Node manager, Services.
• Involved in certification of Weblogic 9.x under SUSE Linux using BEA JRockit and fine tuning the Enterprise Weblogic image. Also worked extensively to determine heap size limitations, analyzed higher memory footprints and collect baseline performance metrics.
• Maintained consistent Weblogic software components across environments by grouping necessary components like JDK, Weblogic Binaries and required tools.
• Configured Wily as a monitoring tool for some critical applications. Analyzed the data from Wily to troubleshoot performance issues and determine time consuming components.
• Integrated Weblogic with IPlanet LDAP Plug-in as autantication provider. dis facilitated administrators to log into weblogic consoles using their LDAP ids and eliminated the usage of shared ids.
• Secured the weblogic system resources like JDBC, JNDI, JMS by defining security policies and by configuring custom security authorization providers
• Involved in establishing a smooth process for weblogic patch management
• Established domain trust between domains that require communication. In some cases eliminated the domain trust by configuring explicit autantication.
• Automated deployments and configurations to weblogic server.
• Worked closely with BEA to resolve products issues/bugs and acquired patches for the same.
• Involved in the design of implementing virtualization concept for BEA Weblogic server.

Confidential, Johnston IA

Weblogic Administrator

Responsibilities:

• Installed WebLogic 9.2 application server and JBoss 4.2 on Linux platform in development, staging and production environments.
• Involved in the automation of building new Weblogic environments for Yantra development.
• Stored all Weblogic 9.x binaries in CVS and authored build scripts that install the required image onto new hosts.
• Authored Weblogic configuration and deployment scripts for Yantra application. These deployment scripts automatically configure all the required weblogic resources like JMS, JDBC Connection Pools and deploy the ear file. The deployment script can detect most of the errors and can consistently rollback to original configuration.
• Involved in the Capacity planning for the application in production environment. Gatheird performance metrics with varied number of clustered managed instances.
• Segregated different interfacing components to the application by defining a separate execute thread queue for each interface.
• Work with JProbe in-order to adjust JVM Heap Size and reduce memory leakage.
• Authored ant build scripts for Yantra application that will generate required EJBs, WAR files.
• Authored common shell functions using weblogic.ADMIN utility that facilitate the configuration tasks involving JMS, ConnectionPools and Application deployment.
• Used BIGIP as load balancer to route requests to Weblogic cluster instances.
• Developed POCs for fine tuning weblogic thread configuration
• Developed an end-to-end J2EE application that displays the statics of the running weblogic processes and application process.
• Developed an end-to-end J2EE application that performs stop/start/restart of weblogic processes running remote across the enterprise.
• Created read-only users for weblogic console in production environments using weblogic Security Realms.
• Worked with Tivoli Access Management (TAM) group to protect the internal URLs.
• Involved in Yantra configuration like building transactions, services, agents and maintenance of Yantra master configuration.
• Involved in automating lot of environment maintenance tasks (scheduling builds).
• Involved in PVCS management.
• Involved in Automating PVCS merges using Perl.

Environment: Base Operating System HP Unix although Windows is used Weblogic administration and Yantra Configuration. Involved Customization of Yantra to Bestbuy needs. Languages used are Java and Unix Shell scripting. Database is Oracle 9.2.0.4. Special software involved is Weblogic, Toad, log4j.

Confidential, Memphis TN

J2EE Middleware Administrator

Responsibilities:

• Involved in installed and configured WebSphere Application Server 6.1 and deployed various applications using Deployment Manager.
• Installed and configured Apache and Sun One web servers.
• Upgraded WebLogic Server Core and Portal domains from 9.2 to 10.3 in development and production environments.
• Involved in upgrading WebLogic Portal and Core applications using WebLogic Workshop.
• Developed custom shell scripts and WLST scripts which automate creation of domains with predefined WebLogic resources and deploy applications specific to the environments.
• Created Blade Logic jobs to provision WebLogic installation and to create Domains on Solaris and Linux boxes.
• Configured WebLogic resources like Managed servers, clusters, node manager, JDBC, JMS, SNMP, JNDI, JMX, Startup and Shutdown classes.
• Deployed various applications and libraries on clustered and non-clustered WebLogic servers.
• Deployment of Applications and import and export of Portal schemas.
• Created several portal PSL pools for caching and integrated with Documentum for content management.
• Created WebLogic Portal and Core domains in both clustered and non-clustered environments.
• Performed Desktop propagation of various portal resources from lower to higher environments.
• Generated SSL key pairs, CSRs and Self Signed/ Corporate Digital certificates, and configured SSL on Apache, Sun One and WebLogic servers.
• Installed SiteMinder WebAgents and EP Agents on Web servers and WebLogic servers.
• Worked on security servers OAM,OVD,OIM and OID
• Involved in performance tuning and troubleshooting JVM parameters
• Used the WebSphere wsadmin tool to manage WebSphere Application Server as well as the configuration, application deployment, and server run-time operations.
• Involved in performance tuning and troubleshooting WebLogic Server 10.0/10.3.2 and worked with Oracle support to resolve issues.
• Worked with Application Developers, DBAs and Network administrators to resolve any issues in end-to-end testing of application.
• Provided 24/7 on call production support.

Environment: JDK 1.4/1.5/1.6, JRockit 1.5/1.6, J2EE, JSP, Servlets, EJB, HTML, XML, WebLogic 8.1/9.2/10.0/10.3/10.3.2, Apache 2.0/2.2, Sun One 6.X, HP OpenView 9i, BladeLogic 7.4, Solaris 10, RHEL, Ant, WLST, SiteMinder 6.X.

Confidential, Northbrook, IL 0

WebLogic System Administrator

Responsibilities:

• Supported on call 24/7 schedule for Production support.
• Install, configure and administered of Bea WebLogic Server 9.2 and JBoss 4.0.1/4.0.3 in various environments.
• Worked starting from the scratch on some projects. Typical tasks include setting up boxes and installing required software and preparing operation guides for the same
• Developed Startup, Shutdown and Status the WebLogic server scripts using WLST and Jython
• Developed Crontab scripts for timely running jobs and provide server status.
• Deployed the applications, formats of WAR, JAR and EAR in WebLogic 9.2 and JBoss 4.0.1/4.0.3 .
• Configure and administered of JDBC, JMS, JNDI in WebLogic Server9.2.
• Configure and administered of WebLogic server with Oracle9i database.
• Deployed the applications on multiple WebLogic Server instances and maintained Load balancing, High availability and Fail over for the servers..
• Configure Clustering EJB objects, jdbc connections and JMS connection factories..
• Configure and administered Connection pools, multi connection pools and Data Source for JDBC connections.
• Created monitoring parameters for Weblogic and JBoss application server using Sites cope.
• Created TOPAZ Views for the monitors created
• Configured and deployed applications in various work environments like Development, Test, Certification and Production.
• Troubleshooting and fixing of problems on Weblogic Application Server.
• Configuration of JDBC connections and data sources with Oracle database server 9.x troubleshooting and fixing up problems.
• Monitoring the error logs, fixing the problems and tuning parameters on Weblogic environment.
• Installed JBOSS 4.0.1/4.0.3 on Dev, Test, and Cert and PROD environments.

Environment: Weblogic8.1, JBoss 4.0.1/4.0.3, Sonic ESB, EIR, JMS, JDBC, LDAP, Windows2000, Site scope, Jdk1.4.2, 1.5 Topaz, Red Hat Linux and Oracle 8i/9i

Confidential

WebLogic Administrator

Responsibilities:

• Administration and Configuration of WebLogic 8.1 in Deployment and Production environments.
• Creation of development environments for developers using Ant scripts, Shell scripts and source code management systems (Clear Case).
• Application Deployment (WAR, JAR, EAR).
• Development and maintenance of Shell scripts that facilitate the Administration of BEA WebLogic.
• Configuration and Clustering of Weblogic Application Servers.
• Load balancing and Performance tuning.
• Troubleshooting WebLogic Application Server connection pooling and connection manager with Oracle 8i, DB2.
• Administration and Monitoring of Weblogic Admin and Managed servers.
• Shell scripting to automate the maintenance process of the WebLogic Application Server and recover the backed up WebLogic configuration.
• Logs file analysis for troubleshooting to resolve issues using scripts.
• Involvement with the customer care and deployment teams in trouble shooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
• Creation of SSL and Digital Certificates for requesting, generating and implementation for the communication between Web server and the Application Server.

Environment: JDK1.3, J2EE,BEA Tuxedo, JSP, Servlets, EJB, LDAP, JDBC, XML, Oracle8i, WebLogic Server 7.0/8.1, Win2K, AIX, Solaris, Linux, CVS.