SUMMARY

• 10 plus years of extensive experience with Oracle Weblogic server(10g/11g), SOA Suite, WebCenter Portal Administration & Oracle Database Administration.
• Experienced in administering development of new and supporting existing 3 - tier Architecture model.
• Well versed with Oracle Weblogic Application Server/Access Manager Administration: As an administrator, managed Server Configuration, Domain Build, Deployment of Components EAR/WAR/JAR modules and Troubleshooting, Monitoring and Maintenance
• Expert at building SOA deployment solutions using Oracle Fusion Middleware 11g family product such as Oracle SOA Suite, OSB, Oracle WebCenter, Oracle Access Manager.
• Experience in setting High Availability and clustering for SOA suite.
• Proficiency and experience in Oracle SOA Suite 11g (BPEL, OSB and BAM)
• Install and configure servers, including: Apache 2.0 HTTP Server, SUN ONE 6.1 Web Server (iPlanet).
• Hands on experience on installing and configuring Weblogic Servers in a Cluster environment to provide High Availability, Load balancing, Session replication, Multi-pools, JDBC Connection Pools, Disaster Recovery, scalability and Fail over support.
• Experienced with JVM tuning and overall infrastructure tuning, with good understanding of different types of Garbage Collectors’ behavior.
• Extensive experience in Server Clustering, Multicast, Session replication and developing a high availability infrastructure cloud.
• Web Security configuration: LDAP Server, SSL Certificates,Firewalls, Proxy server and JMS Messages.
• Perform day-to-day maintenance, performance tuning and troubleshooting.
• Manage Oracle Patching on quarterly basis using smart update tool 3.x, maintenance pack mgmt and applied plug-in to improve server extensibility.
• Creating IP filter Rules/DMZ zone to bump up server security from unauthorized user to access.
• Memory Management: Tuning of Heap, different algorithm of GC, JVM, native memory, shared memory.
• Hands on experience in working with the memory leaks using profiling tools, adjusting the JVM heap sizes and tuning the memory parameters. Excellent knowledge in troubleshooting, performance tuning in a complex environment.
• Excellent knowledge in UNIX shell, WLST and Perl scripting for automating backup tasks and batch jobs.
• Participated in numerous project planning and requirement analysis Workshops with Clients and Vendors.
• Profound knowledge about complete Software Development Life Cycle (SDLC) of a project and Object Oriented Concepts
• Hands on experience with installation and maintenance of CA Wily Introscope, HP open view and Load runner. Provided 24*7 support for various J2EE applications and middleware components.
• Versatile team player and team lead with excellent analytical, presentation and interpersonal skills with an aptitude to learn new technologies.
• Installation and configuration of both 10g application server & 11g weblogic server.
• Extensive experience in configuring WebLogic Clusters (Horizontal and Vertical) for Load-balancing and Fail-over solutions
• Good exposure to HA implementations of 11g WebLogic, SOA, Webcenter Portal & ECM.
• Installation, configuration and administration of clustered H/A environments.
• Good working knowledge in monitoring and troubleshooting.
• Good administration experience on cluster setup like domain creation, deployments of composite applications and tuning the weblogic performance.
• Hands on experience on upgrade & migrations activities.
• Hands on experience on patch applications like bug fixes and upgrade patches.
• Experience in configuring and administration of JDBC connection pools, JMS connection factories and clustering EJB Objects
• Fine tuning of JVM heap sizes.
• Implemented standard backup procedures for both application Database and WebLogic.
• Configured and handled Samurai Log Analyzer and performed Thread Dump analysis.
• Configured Web server Plug-ins (APACHE, IIS 6/7 and iPlanet) for WebLogic application server.
• Good understanding on purging the logs and adjusting the log levels based on situation.
• Carrying out of Post Mortem Analysis for critical issues and preparing the RCA documents
• Load balancing setup and coordination with network team
• WebLogic Integration with OID,AD to provide SSO functionality.
• SSL certs installation /renewals for Web/App servers.
• Preparing and scheduling shell scripts for start/stop procedures of all the oracle services.
• Scheduled monitoring scripts of all service health checks
• Experience in writing Scripts to handle complex automation / administration using Shell scripting, WLST
• Node Manager Configuration.

TECHNICAL SKILLS

Operating Systems: Sun Solaris/ Linux/ Unix/ HP-UX, Windows NT, 98, XP

Databases: Oracle 11g/10g/9i.

Application/Web servers: Weblogic 10g/11g,apache,OHS

Database Tools & Utilities: Toad, OEM Grid Control, Oracle RMAN,SQL Loader,Expdp/Impdp,SQLT and OSWatcher

Fusion Middleware Technologies: SOA, ECM, Webcenter Portal.

Enterprise Tools: OEM Grid Control 11g,Oracle Webcenter Portal & ECM 11.1.1.5

High Availability Technologies: Oracle RAC 10g/11gR2, Dataguard, Streams, Goldengate.

PROFESSIONAL EXPERIENCE

Confidential, TX

WebLogic /SOA Administrator

Responsibilities:

• Responsible for configuring, managing and providing support to multiple web based applications deployed on more than 50 Web and Application servers, providing services for more than 6000 concurrent users of Confidential call centers across the world.
• Installation, Configuration and Administration of WebLogic Application Server 10.3.
• Worked as Administration, installation, configuration and tuning for Oracle SOA suite.
• Working as an Oracle Fusion Administrator for Oracle WebLogic 11g,SOA 11g and IPM,UCM 10g and 11g setups.
• Experience in setting High Availability and clustering for SOA suite.
• Installed, configured, maintaining Oracle weblogic Apps Server 9.x/10.2/11g in various environments OS (Solaris 10.x/Linux). Oracle Weblogic environments - migrating weblogic 8.1/9.2 Apps to new weblogic more powerful/Availability/Efficiency/Performance/Coherence version 10g/11g.
• Deployment and configuration of Oracle SOA Suite 11g applications to different environments.
• Support production application Monitor, troubleshoot and tune Oracle Service Bus, Oracle SOA Suite 11g components. & participate any DB/application failover activities.
• Testing & applying patches, updates & fixes for Oracle SOA and dependent WebLogic component on UNIX and Linux environments.
• Designed, developed, deployed, managed and tuned asynchronous/synchronous, batch/real-time and long/short running SOA Patterns in ESB/OSB processes using adapters (ERP, JMS Queue, JMS Topic, MQ Series, File/FTP, AQ and DB).
• Deploying application (WAR/EAR/Exploded Deployment) on Clustered Weblogic Servers using MKS, Ant Hill Pro 3.8 tools & troubleshooting issues related it.
• Configured and administered JDBC 4.0 Connection Pools/Multi Pools/Data Sources/Multi Data source on Weblogic Server 10.2/11g.
• Perform troubleshooting of application specific issues and server based issues. Support J2EE application deployment in test and production environments.
• Tune and manage Weblogic application servers for better performance. Monitor the JVM performance by WebLogic Heap Size, garbage collection and JDBC Pools.
• 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.
• Installation and Configuration of iPlanet/Sun One Web servers & integrating channel secure siteminder with Sun One Web servers.
• Administering Weblogic security through admin console. Manage access and roles to console. Integrating Active Directory with Weblogic.
• Using jprobe and jconsole to troubleshoot memory issues.
• Create the JMS Server, JMS Connection Factories, Queues, Topics, File Store, Database Store and Message Bridges and monitored
• Develop WLST, ANT scripts, UNIX shell scripts to automate the deployment process.
• Configuring CA wily agent 8.23 for different domains for monitoring server performance, health. Creating custom dashboard based on the application team requirements and set up server Alerts threshold values.
• Configured load balancing at front end to distributing live traffic using Big F5 hardware.
• Administer Software Packages, Patches, firmware upgrade, failed devices replacement and Device Management.
• Involved in working with offshore team in creating new IT center in Manila. Coordinating with offshore team, Trouble shooting and schedule the tasks.
• Diagnose and resolve performance bottlenecks, memory leaks, excessive garbage collection, threading issues and other java coding problems.
• Document day to day problems (FAQs), major configuration changes and system architecture changes.
• Good knowledge on secured file transfer tools like IBM NDM, SFTP and WIN scp
• Provide 24/7 support for production environments.

Environment: Weblogic 10g/11g,Oracle SOA Suite1o/11g, IPM,UCM, iPlanet6.x,Sunone/Apache, Hudson, Perforce Client, Linux, Solaris, Wily 8.x,Pathcing, Shell Scripting(WLST,BSH,KCH),BIG F5 Cisco(ACE) Load Balancer, Oracle 10g RAC, MQ series, IBM z/OS series, FDR.

Confidential, OH

WebLogic/SOA Administrator

Responsibilities:

• Installing and Configured SOA Suite, WebLogic 10.3.x.x Servers Domains, Clusters and web tier (OHS), RCU and Database.
• Configured and administered JDBC Connection Pools/Multi-Pools on WebLogic Server.
• Implementation and support of TUXEDO and WEBLOGIC across multiple applications.
• Apply service packs, cumulative fixes to stay up to date with product release.
• Experiences in handling version control systems like win CVS.
• Involved in designingSOAinterfaces withBPELandESBfor different applications
• Experience in backup and recovery ofOracle SOAsuite dehydration store.
• Experience in setting ofHigh Availabilityand clustering for OracleSOAsuite.
• Installed, configured, administer and monitor BPEL, ESB, BAM
• Web Server / Proxy Server Setup and Administration (Apache, Tomcat, iPlanet, Apache SSL, IBM WebSphere, etc.)
• Implement and administer security for application and server accesses using OID, Netgroup and application consoles
• Monitoring the startup logs for any exceptions or errors. Performing regular health checks for the servers in the Testing and Production environments
• Installed and configured SunOne/iPlanet 6.0/6.1 to work with WebLogic Server.
• Configured to receive requests from multiple virtual websites to WebLogic server.
• Installed and configured SSL for both WebLogic8.1/9.2,SunOne/iPlanet and Apache servers.
• Monitoring application performance using Wily Intrascope.
• Performance tuning of JVM heap size, garbage collections, java stack and Native thread & production performance
• Troubleshooting WebLogic Application Server connection pools and manager with Oracle9i &10G
• Populated users, groups and roles in the iplanet(Netscape/Sun One) LDAP Directory server security repository
• Developed scripts to monitor JDBC Connection Pool Status, JVM Heap Size, JMS Messages in the Destination queues in the Production environment
• 24/7 On-call support for Production, non-production environments which included test, staging training and break fix environments

Environment: Oracle Weblogic 10g/9.2/8.1Sp3, Oracle ADF, Oracle SOA Suite1 11g, iPlanet6.x,Sunone/Apache, Hudson, RHEL Linux, Sun Solaris, IBM AIX, Wily 8.x, TIBCO, JBOSS app server, Shell Scripting(WLST,BSH,KCH),BIG F5,Oracle 10g.

Confidential, TX

WebLogic Administrator/Application Support

Responsibilities:

• Installed, configured, maintaining BEA weblogic Apps Server 9.x/10.2/11g in various environments OS (Solaris 10.x/Linux/Win).
• Experience in configuring WebLogic Servers in a Cluster solution for High Availability, Load balancing and fail over support.
• Supported SOA development and test.
• Involved in planning & implementing high availability environments which included Weblogic server clustering, session replication, hardware load balancing & failover
• High exposure to configure 3-tier architect model and supporting Apps tier with High availability/scalability/failover/disaster recovery.
• Integrating Weblogic Environments with iPlanet/Apache web server for reverse proxy. Static content deployment and troubleshooting through webserver.
• Tuned application and operating system and hardware for optimal performance and general JVM tuning.
• Knowledge of Web Security tools- LDAP Server, SSL Certificates.
• Configured and administered connection pools, multi connection pools and Data Source for JDBC Connections.
• Developed Unix shell scripts to automate application deployment monitoring log. rotation. Configured Network Security account maintenance using bash shell scripts.
• Supported halp desk, taking part in on-call pager rotation and responding to critical situation during the weekends and off hours.

Environment: Weblogic Server 8.x/9.x, Sun Solaris, Windows 2000, Apache Server 1.3.29, CA Wily 6.x, HP Openview, MKS, MQ series, IBM DB2, IBM Websphere, LDAP, J2EE, WLST, Python, iPlanet, Oracle10g/11g.

Confidential, CA

WebLogic Administrator/System Support

Responsibilities:

• Developed Unix shell scripts and Ant scripts to automate application deployment, monitoring and log rotation. Configured Network Security account maintenance using bash shell scripts.
• Installation, Configuration and Maintenance of Weblogic 9.x/10.x
• Creation of SSL and Digital Certificates for requesting generating and implementation for the communication between Web server and the Application server.
• Deployed the Applications (WAR, JAR, and EAR) on Multiple WebLogic Servers and Maintained Load balancing, High availability and Failover Functionality.
• Managed and monitored JVM performance tuning by adjusting WLS heap size & GC parameters for monitoring the heap and physical memory
• Configured and administered connection pools, multi connection pools and Data Source for JDBC Connections.
• Unix monitoring using tools such as vmstat, mpstat, iostat and top.
• Developed Startup, Shutdown and Status for WebLogic Server scripts using WLST
• Borne shell scripts using vi for Solaris administration tasks.
• Understanding the business requirements and attending the specification meetings/QA meetings/release meetings.
• Provided Support for Teams in Activities such as Load Testing, TroubleShooting, and Performance Tuning.

Environment: WebLogic Platform 8.1 SP6, SuSE Linux, Sun Solaris, Apache, iPlanet, LDAP, Oracle 9i, IBM DB2, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, Mercury diagnostic server.

Confidential, Atlanta

Oracle Database Administrator

Responsibilities:

• Administered and provided Development and production DBA support using OEM.
• Creation of databases on Different servers
• Implemented Database migration from Windows to Linux servers.
• Database cloning using RMAN from production server to Test server.
• Handled SOX Compliance on every Quarter.
• Monitoring daily, weekly and monthly Activities.
• Implemented RMAN Backup strategies.
• Production server support.
• Space management, user management support.

Environment: 10g Database, Data Warehousing, Oracle9i, Pl/Sql, UNIX.