PROFILE

Specialized in Application server design, Setup, administration, Infrastructure, Performance tuning with IBM WebSphere, Oracle Weblogic, Jboss, Websphere MQ, WMB, SunONE Webserver, IHS, IIS and also have good exposure to Cloud IaaS, SaaS Infrastructure Application support. Support installation, configuration and customization of Middleware and associated components.

Professional Summary

• 10 years of strong Professional experience in Systems Administration which includes extensive experience in Web Application server WebLogic, WebSphere, Jboss Administration and Unix Administration providing support for Production, Staging, Testing and Development environments.
• Design and developed Cloud based IaaS and SaaS Production and testing environments which cuts down very huge investment on Infrastructure which may replace the current traditional systems.
• Architect, Administer, Installation, configuration and deployment in various Application servers fail-over support, Workload Management WLM using horizontal scaling and vertical scaling.
• Experience in the design, deployment and administration of Oracle Middleware Fusion products like Oracle Identity Manager OIM , Oracle Access Manager OAM and Oracle Internet Directory OID .
• Design, Maintain and support Application Server deployments. Work with application teams to understand their requirements and deliver solutions. Design and document web application deployment procedure and Provide Web Hosting production support.
• Heavily involved in various activities related to IBM Websphere, Oracle Weblogic, JBoss Installations, Configurations, Deployments, Data Conversion and migration in various complex Clustering environments.
• Experienced on managing WebSphere infrastructure projects and maintaining them on production environment.
• Capacity Performance Management of WebSphere infrastructure.
• Business Continuity and Disaster Recovery planning, testing and implementation.
• Extensive experience in troubleshooting the deployment and other application problems, applying Websphere, WebLogic patches, Service Packs and working closely with Development Teams in solving issues.
• Design, install and configure various Http servers with Single sign-on SSO tools like Siteminder web agent and oracle Webgate.
• Experienced in the design, configuration and tuning of Data Sources, JDBC Providers and Connection Pools in order to connect to various databases.
• Created and installed SSL certificates in Java Keystores. Implemented SSL security between client, WebServer application server and generated Self Signed Certificates Generate CSR and Import Signed Cert to Keystores through ikeyman, keytool commands and OpenSSL.
• Have good skills in analyzing the traces, logs and thread dumps using IBM tools like Thread dump analyzer, Support Assistant, Log Analyzer.
• Optimized the performance of Enterprise Applications using Tivoli Performance Viewer and Willy Introscope by enabling PMI.
• Strong analytical and problem solving skills, self-starter, good team player and highly self-motivated.
• Involved in Creating Shell Scripts for various Automation of setup and configure infrastructure, application deployments and tuning.
• Hands-on experience in using ITIL Process Incident,Change,Release deployment .

Technical Skills

Middleware: Websphere Application server v6.0,6.1 7.0, Jboss,Weblogic 9.x/v8.1, Websphere MQ,WESB, Oracle Service Bus 11gR1, Oracle SOA Suite, Apache, IPlanet v6.0/6.1, IIS 6.0, IBM HTTP Server

OS : Solaris 8/10, RedHat Linux 5.x/6.x, AIX, Windows 2000/XP/2003/07, Scripting : WLST, Jython, Ant, Maven, Shell Script, Java Script. RDBMS: Oracle 10g/11 RAC, UDB DB2, MySql, SqlServer, Access. Performance :Wily Introscope , Quest JProbe, OptimizeIT Technologies : JMS, JTA, EJB, HTML, JDBC, ODBC, RMI, XML. Networking : TCP/IP, FTP, DNS, ICMP and Telnet Protocols : Http, Https, Ftp, SOAP, LDAP, RMI/IIOP and TCP/IP. Version Control : Subversion, CVS, Visual Source Safe. Languages : Java, SQL, PL/SQL Packages: MS Office, MS Project

PROJECTS

Confidential

Role : J2EE Lead Consultant

Environment : Websphere 8,7.0,6.1, WMB, WESB, IPlanet 6.0/6.1, Siteminder, AIX, Oracle

10g/11g,PVCS,Changemands,Tivoli,Wily, Connect Direct NDM, Akamai

Responsibilities:

• Installation, configuration, tuning, backup, recovery and upgrade of IBM WebSphere Application Server, IBM WebSphere MQ on AIX, Solaris and Linux.
• Responsible for application server setup and web server setup for all SIT/UAT/PROD environments.
• Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management including horizontal scaling, vertical scaling, creating dynamic clusters, setting up node groups and application versioning.
• Responsibilities include debugging and resolving issues in infrastructure such as server startup issues, certificate issues.
• Performance tuning for all PROD servers
• Good Working knowledge of SOA and Web services technologies.
• Configuration and maintenance of iPlanet web servers.
• In Citibank we are supporting daily operation for various applications such as banking, cards, citi alert etc which involves from Infrastructure setup to Customer live/BAU.
• Setting up Infrastructure for new Projects.
• Configured WebSphere JMS settings like Queues, Topics, Activation Specifications, Queue connection Factories and Topic connection Factories for WAS- MQ connectivity.
• Created Queue Managers, Channels and Clusters in WMQ.
• Configured virtual hosts and transports for WebSphere application servers
• Responsible for fine tuning parameters and co-ordination with offshore team as well as testing team for end to end testing.
• Extensively involved in Tuning and Clustering of the WAS 7.0 and WAS 6.1. Performed day-to-day tasks to ensure the smooth and efficient operations of the Websphere run time environment including troubleshooting, System backup and recovery etc.
• Developed various interface related JOBS to process the Hand Offs received from external system.
• Setup and Install SSL Digital Certificates in Production, and Test Environments.
• Involved in setting up of new App servers, Web servers and Infra structure activities.
• Troubleshooting Websphere Application problems using Heap Thread Analyzers.
• Have good knowledge in Siteminder Single sign-on implementation which includes webagent installation and configuration, Webagent version upgradation.
• Have worked on all types of EH issues.

Achievements:

Fast recognition of abilities and subsequent placement in more demanding roles Trust of managers, fellow team mates and developers in my work and abilities Being offered the position of BAU team lead

Confidential

Role : Weblogic Integration Team Lead

Environment : WLI/WLS 11g, Oracle Service Bus, WAS 6.0, Websphere MQ 6.0, Oracle 9i, Linux

Responsibilities:

• Provided BAU support for this system.
• Oracle Weblogic environments migrating weblogic 8.1 Apps to new weblogic more powerful/Availability/Efficiency/Performance/Coherence version 10g/11g.
• Primary support person for Weblogic/web sphere environments - Installed, configured and administered Weblogic Server 8.1/10.x on various OS environments.
• Production-time Redeployment of Applications in Weblogic Server 11g with Zero outage Functionality on weblogic cluster env.
• Deployed Applications WAR, JAR, EAR on Clustered Weblogic Servers.
• Configured and administered JDBC Connection Pools/Multi Pools/Data Sources/Multi Data source on Weblogic Server 10.2/11g.
• Application deployment and troubleshooting at the time of deployment.
• Managing Weblogic security, User Roles, Tuning, backend connectivity through Admin console.
• Monitoring scripts JDBC Connection Pool Status, JVM Heap Size, JMS Messages in the destination queues in the production environment.
• Performance tuning WebSphere Commerce, App-Server and ibm http server.
• Created and customized UNIX shell scripts for automating regular maintenance and batch jobs.
• Application performance tuning on heap size, native memory, shared memory, GC monitoring, Thread Dump TD using tools/Unix command like Top.
• Pushing Oracle new patching on Apps server to fix Bugs using oracle smart update utility.
• Provided production support 24 7 and coordinated with the users to resolve issues quickly.
• Basic knowledge in Unix Shell scripting to stop/start MQ services.

Confidential

Role : Web Hosting Administrator

Responsibilities:

• Installed, configured, maintaining BEA Weblogic Apps Server 8.1 and Websphere 6.0 in various environments OS Solaris/Windows .
• High exposure to configure 3-tier architect model and supporting Apps tier with High availability/scalability/failover/disaster recovery.
• Managed and performed weekly application EAR/WAR/JAR modules deployment cycles starting from Dev to Production environment troubleshooting deployment application issues and fix it for Application High availability.
• Involved in planning implementing high availability environments which included Weblogic server clustering, session replication, hardware load balancing failover.
• Automation purpose such as back up, restore, deployment, server build created script on Bash environment using UNIX shell.
• Good experience on connecting backend DB on Apps server using JDBC driver to create multi pools/Data source/JMS/JMX, JTA.
• Part of the performance engineering team tuning the infrastructure components at web servers, Weblogic, JVM, Heap, memory and Operating System level to improve client response from highly configured server.
• Configured and administered the Web application on IBM Web sphere 6.1.
• Node manager and SSL configuration, maintenance and troubleshooting.
• Basic LDAP administration and user management using LDAP browsers.
• Managing and implementing JMS services using IBM MQ 6.x.
• Knowledge on Wily Introscope Viewer for performance monitoring.
• JDBC configuration and tuning with Oracle 10g/11g, Mainframe through Weblogic.
• Good knowledge on secured file transfer tools like SFTP and WIN SCP.
• Willing to provide 24 7 Prod support for client satisfaction.

Environment: Weblogic 8.1, Websphere 6.0, Windows NT, Apache, AIX, JVM, WLST, HP Service Center 6.0 tool.

Confidential

Role : Web Hosting Administrator

Responsibilities:

• Installed, configured, maintain and administered Websphere v6.0,Weblogic Server 8.1 J boss on various operation systems.
• Handling Customer queries Live issues.
• Configured and Deployed applications modules in various work environments like Development, UAT user assurance test , Pre-Prod and Production using weblogic console.
• Configured and administered JDBC Connection Pools, JMS and Multidata source on Weblogic Server.
• WLST Weblogic scripting Tool /Python for automating tasks like Hot Backup, Cold backup.
• Involved in Configuring two way SSL and Creating Certificates for secured HTTPS communication channel.

Environment: Sun Solaris, AIX, Windows, IIS v5.0 v6.0, Apache, IBM HTTP Server, Websphere v6.0 v6.1, Weblogic v8.1, ManageNow, Sitescope 7.x

Confidential

Responsibilities:

• Created user interface in JSP for search screen of the items
• Low Level design, Coding, Unit Testing, Delivery and documentations.
• Testing and documentation of code , created test case documents specifying low level user functionality and what all things needs to be tested giving various possible conditions and testing as per them.

Technology : Java 1.2, HTML, JSP, JavaScript, JDBC, Servlets, mysql, Tomcat

Confidential

Responsibilities:

• Involved in creation of System Requirement Specification and application design.
• Developed both Session and Entity beans representing different types of business logic abstractions
• Coded Java Server Pages for the Dynamic front end content that use Servlets and EJBs
• Used JDBC API to connect to the database and carry out database operations.
• Configuration Management Coordinator.

Technology : EJB 2.0, JSP, JDBC, JBOSS, Oracle 8i