Senthilkumar Muthukrishnan Email & Phone Number

AWS Solutions Architect | Cloud Integration | Cloud Migration | Datacomm F5 Networking | Enterprise Portal Architect

Changi, Singapore

• 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.• 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.• 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.

• 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.• Advanced knowledge in Unix Shell scripting to stop/start MQ services.

• 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.

• 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.

Computer Science - Artificial Intelligence, Machine Learning And Data Science

MIT Professional Education - Digital Plus Program No Code AI and Machine Learning - Building Data Science Solutions Data exploration.

Master Of Computer Applications (M.C.A.), Computer Science

Bachelor'S Degree, Computer Science