SUMMARY

• 8+ years of experience as a WebSphere Administrator and integrating it with other enterprise softwares like IBM & Sun - one HTTP Server, WebSphere MQ, IBM Tivoli Directory Server LDAP, and Production Support of various systems/software AIX, Linux (RedHat) and Windows environments.
• Extensive experience in installation, configuration, and administration of WebSphere Application Server, IBM HTTP Server, AIX, Linux, and Windows.
• Installed fixpacks, to the existing infrastructure.
• Highly skilled in updating plugin and config file for troubleshooting and improving performance.
• Worked with IBM on problem determination, troubleshooting, and resolution PMRs, running and submitting must gather scripts and output, turning on trace, verbose-gc(Garbage collection), taking thread and heapdumps.
• Performed root-cause analysis for Production outages and provided management with analysis reports.
• Configured Global Security for Websphere Application Server using IBM Directory Server as LDAP user registry and configured SSL for LDAP communication.
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure and also worked on Service Integration Bus (SIB) configuration in V7.x
• Expertise in supporting enterprise based distributed applications over a wide range of operating environments on a 24/7 rotation basis for high volume, secure transactions and Web services.Automation of application deployment.
• Worked on multiple projects simultaneously and prioritize work to meet adapting deadlines.
• Experience in setting up Nodes, Data Sources, Virtual Hosts, including installation-planning and configuration of WAS.
• Well versed in creating resources, modifying properties, view runtime attributes, commit modifications and securing administrative server using Authentication, Authorization, s, Credentials, Permissions, WebSphere Resources (Servlets, JSP files, HTML files).
• Experience with various procedures and policies required for escalation and outage resolution with Strong documentation skills.
• Successful implementation of Work Load Management (WLM) using techniques such as Horizontal and Vertical Clustering for failover and backup/recovery processes.
• Setup WAS test environment on AWS(MidVision Cloud)
• Experience in configuring and enabling the Global Security, SSL Security in web environments for IBM HTTP Server & WAS using IKEYMAN and Certnow.
• Renewed s on Test, Live, DR environments.
• Highly skilled in Incident, Problem, Change Management processes and ITIL Process.Worked in a 24x7 on-call Production Support Environment.
• Strong interpersonal and oral/written communication skills, a self-starter with positive attitude.
• Decision making skills as well as the ability to deal with ambiguity.

TECHNICAL SKILLS

Platforms: Linux, Windows, AIX

Application Servers: IBM Websphere Application Server v6.x, v7.x, v8.x, Apache Tomcat

Web Servers: IBM HTTP Servers v6.0/7.0/8.0

Programming Languages: C#.Net, SQL

Databases: Oracle, DB2

Software Development Methodology: Agile, SDLC.

Tools: Putty, Toad, Winscp, ServiceNow, Bladelogic, I-Keyman, Cert Now

PROFESSIONAL EXPERIENCE

Confidential, Miami, FL

Sr.IT Operations Analyst

Responsibilities:

• Installed and Configured WebSphere Application Server 7.1andIBM HTTP Server 7.1onRed hat Linux&AIX.
• Created Clusters and instances in WebSphere Network Deployment to support high availability, fail over and implemente dhorizontal clustering
• Installed WAS for SIT & UAT environments on AWS(MidVision Cloud).
• Deployment and troubleshooting ofJAR, WAR,and EAR files in clustered environment.
• Monitoring error logs, fixing problems and tuning parameters on WebSphere Application Server.
• Installed Application on WAS servers .Updated the applications as per requirement.
• Configured IBMLDAP directory access protocol for different levels of user access.
• Configuration which includes components like Websphere Application server, IHS web server, Clustering, Virtual hosts and JDBC providers.
• Automation of application deployment.
• Configured Global Security, with LDAP as custom registry.
• Configured SSL.
• Implemented upgrading tasks to both WAS and IHS by applying fix packs
• Implemented troubleshooting with IBM Heap Analyzer and IBM Thread Dump Analyzer to improve performance .
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure
• Fine-tuned Web Servers and Application Servers for different load requirements.
• Worked with developers in improving the performance and solving the application issues.
• Configured JDBC, Data source connections.
• Created J2C authentication for database.
• Automated Application deployment using bladelogic.
• Configured Session affinity and session persistency.
• Renewed s on Test, Live, DR environments.
• Worked in a 24x7 on-call Production Support Environment.

Confidential, FL

Middleware Admin

Responsibilities:

• Installed and configured IBM Http Server,WebSphere Application Server Network Deployment (ND), /7.0/8.0.
• Responsible for maintenance of the WebSphere Application Servers and Web Serverson different AIX platforms and setting up the development, testing and staging environments for the ongoing application development.
• Worked closely with developers to define and configured application Servers, Virtual Hosts,Web Applications, Web resources, Servlets, JDBC drivers and Servlet Engines-as well as deployment of EJBs across multiple instances of WebSphere.
• Applied fix packs to WebSphere Application Server.
• Configuration which includes components like Websphere Application server, IHS web server, Clustering, Virtual hosts and JDBC providers.
• Automation of application deployment.
• Configured Global Security, with LDAP as custom registry.
• Configured WAS for test environments on AWS(MidVision Cloud)..
• Implemented upgrading tasks to both WAS and IHS by applying fix packs.
• Implemented troubleshooting with IBM Heap Analyzer and IBM Thread Dump Analyzer to improve performance .
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure
• ConfiguredJDBC providerand data source to connect to the DB2 databases for application data.
• Enabled security for the Admin Console and application components.
• Created s using CERTNOW .
• Creating and managing the Nodes, Application Server's and Clusters.
• Troubleshoot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the WebServer logs
• Applied Fix packs using Update Installer.
• Provided on call 24x7 supports by shift rotation basis.

Confidential, Gainesville, FL

Middleware Admin

Responsibilities:

• Installed and Configured WebSphere Application Server 7.1andIBM HTTP Server 7.1onRed hat Linux&AIX.
• Created Clusters and instancesin WebSphere Network Deployment to support high availability, fail over and implemente dhorizontal clustering
• Responsible for all Administrative tasks including Websphere Application Server domain Installation.
• Deployment and troubleshooting ofJAR, WAR,and EAR files in clustered environment.
• Monitoring error logs, fixing problems and tuning parameters on WebSphere Application Server.
• Installed Application on WAS servers .Updated the applications as per requirement.
• Configured IBMLDAP directory access protocol for different levels of user access.
• Implemented upgrading tasks to both WAS and IHS by applying fix packs.
• Implemented troubleshooting with IBM Heap Analyzer and IBM Thread Dump Analyzer to improve performance .
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure
• ConfiguredJDBC providerand data source to connect to the DB2 databases for application data.
• Automation of application deployment.
• Configured Global Security,Configured SSL.
• Enabled security for the Admin Console and application components.
• Created s using CERTNOW .
• Implemented WAS upgrade from v6.0 to 7.0
• Creating and managing the Nodes, Application Server's and Clusters.
• Troubleshoot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the WebServer logs
• Applied Fix packs using Update Installer.
• Worked in a 24x7 on-call Production Support Environment.

Confidential

Middleware Admin

Responsibilities:

• Installed and Configured WebSphere Application Server 8.0 and IBM HTTP Server 8.0 for Test, Live and DR environments on Red hat Linux & AIX.
• Configured Queue Connections Factories, Queue Definitions, and Listener Ports in order to provide connectivity to Enterprise MQ infrastructure and also worked on Service Integration Bus (SIB) configuration.
• Responsible for maintenance of the WebSphere Application Servers and Web Servers on different AIX platforms and setting up the development, testing and staging environments for the ongoing application development.
• Configured JDBC provider and data source to connect to the DB2 databases for application data.
• Configured SSL for communication between Plug-in and Application server.
• Implemented horizontal and vertical clustering of WebSphere Application Server (WAS) Advanced Edition in a workload-managed cluster.
• Deployment of JAR,WAR, and EAR files in clustered environment.
• Enabled SSL and was responsible for installing the s and configuring them in the IBM Http Server.
• Applied fixpacks for web Server instances from development, testing and production.
• Enabled security for the Admin Console and application components.
• Created s using CERTNOW .
• Implemented troubleshooting with IBM Heap Analyzer and IBM Thread DumpAnalyzer to improve performance
• Creating and managing the Nodes, Application Server's and Clusters.
• Troubleshoot Admin Server start-up issues, Java code defects after deployment, and class path issues by checking the JVM logs, plug-in logs and the WebServer logs
• Provided on call 24x7 supports by shift rotation basis.

Confidential

Websphere Support Admin

Responsibilities:

• Installed and configured IBM Http Server, WebSphere Application Server Network Deployment (ND), 6.0/6.1/7.0
• Installed fixpacks for WebSphere ND V6.0 environment, for WebSphere, plugins and IHS.
• Deployed the applications both from the admin console and scripts.
• Created the Clustering Topology in WebSphere Application Server ND V6.x to achieve Work Load Management (WLM), High availability, Load Balancing and Hardware fail over.
• Configured Web server plug-in to directing dynamic requests to application servers for load balance in clustered environment.
• Installed EARs,WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSADMIN.
• Involved in Performance tuning such as tuning the web server by specifying the parameters for the maxclient, start servers and maxspareservers.
• Tuning the Servlet engine and database connection pools. Tuning the Java Virtual Machine (JVM) by specifying the minimum and maximum heap size.
• Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, and Connection Pool sizes.
• Configured WebSphere resources like JVM heap settings, JDBC providers, JDBC data sources, connection pooling, Virtual Hosts, Global Security and SSL.
• Involved with the SSL s missing issues and installed s from the backup.
• Involved in issues & Stopping/Starting/Restarting Apache HTTP Server using wsadmin account.
• Involved in Stopping/Starting & Monitoring the logs for Application Server Instances.
• Implemented Horizontal and Vertical Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 6.0/6.1.
• Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console and WSCP/WS admin scripts.
• Migrated existing applications from WebSphere V6.0 to V7.0.
• Involved in issues like Application not responding. Application Deployment Errors, Wrong Database host name, Server Hung due to out of memory or thread hanging, Owner ship issue.