SUMMARY:

• More than 7 years of experience in the IT Industry on design, development, implementation and maintenance of Enterprise Applications includes 6 years of strong experience in Oracle Fusion Middleware WebLogic Administration 8.x/9.x/10g/11g and
• 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.

TECHNICAL SKILLS:

PROFESSIONAL EXPERIENCE:

Confidential

WebLogic Administrato

Responsibility:

• 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 .
• Testing applying patches, updates fixes for Oracle SOA and dependent WebLogic component on UNIX and Linux environments.
• Support production application Monitor, troubleshoot and tune Oracle Service Bus, Oracle SOA Suite 11g components. participate any DB/application failover activities.
• Deployment and configuration of Oracle SOA Suite 11g applications to different environments.
• 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.
• Experience in setting High Availability and clustering for SOA suite.
• Worked as Administration, installation, configuration and tuning for Oracle SOA suite.
• Installation, Configuration and Administration of WebLogic Application Server 10.3.
• 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 GE call centers across the world.
• 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.
• Administer Software Packages, Patches, firmware upgrade, failed devices replacement and Device Management.
• Configured load balancing at front end to distributing live traffic using Big F5 hardware.
• 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.
• Develop WLST, ANT scripts, UNIX shell scripts to automate the deployment process.
• Create the JMS Server, JMS Connection Factories, Queues, Topics, File Store, Database Store and Message Bridges and monitored
• Using jprobe and jconsole to troubleshoot memory issues.
• Administering Weblogic security through admin console. Manage access and roles to console. Integrating Active Directory with Weblogic.
• Installation and Configuration of iPlanet/Sun One Web servers integrating channel secure siteminder with Sun One Web servers.
• 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.
• 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, IBM Websphere, JBOSS, 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

UNIX/WebLogic/SOA Administrator

Responsibility:

• Installing and Configured SOA Suite, WebLogic 10.3.x.x Servers Domains and Clusters.
• Supported ATG Dynamo application servers DAS running on multiple SUN models with Solaris OS in production.
• Supported ATG Business Commerce Servers in production environment.
• Deployed e-commerce application in ATG Server in production
• 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 designing SOA interfaces with BPEL and ESB for different applications
• Experience in backup and recovery of Oracle SOA suite dehydration store.
• Experience in setting of High Availability and clustering for Oracle SOA suite.
• 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 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

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 help 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

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

Application Support Engineer

Responsibilities:

• Installed, configured and administered Weblogic Server 8.1 in various environments Linux OS .
• Configured and Deployed applications in various work environments like Development, Test, Pre-Prod and Production.
• Configured and administered JDBC Connection Pools on Weblogic Server.
• JMS configuration and message monitoring using Wily Introscope.
• Configured LDAP using SUN directory Server for user authentication.
• WLST Weblogic scripting Tool for automating tasks like Hot Backup, Cold backup, off hours emails.
• Set up, Testing, Implementations and Monitoring of Batch Jobs.
• Installed and Configured a ColdFusion Application Server and iplanet.
• Involved in Configuring SSL and Creating Certificates.
• Set up Weblogic domains in dev mode for developers on their windows 2003 workstations.
• Worked closely with offshore team. Managed team of junior admin for after hours support as per US time.

Environment: Weblogic8.1/7.x, RHEL Linux, Sun Solaris, Apache, JDBC, WLST, iplanet, Window 2003, Monitoring Wily Introscope