Krishna Seshank V

Experience

• 

  IBM

  Jun 2007 - now

  Lead the team to perform testing of new solution. Was also the PM for the project. Used a custom inhouse tool to perform Integration testing through automation. Designed and Build the whole tool inhouse in the project as per client requirement for testing the new solution.Tool is mainly build using core Java with SFTP, POI,XMLCompare, Beyond Compare extensions. Messaging formats tested are IDOC, XML,EDIFACT,CSV,Fixed Length, Binary. Performed testing of 4000 interfaces in an automated environment. Test Execution of all the interfaces. Identifying issues and analyzing them to raise defects. Raising Defect and co-ordination with Dev team for defect resolution.Co-ordination with Client for test result review and approval. Test results uploaded to teams and Jira tasks are created for client review and approval. Participate in architect level decisions on the solution.Close communication with Geo Partner and Architect. Show less Design no of Queue Managers to be created in the landscape. Design MQ Clustering. Desing Hardware HACMP Clustering for WMQ.Desing Application connectivity for WMQ. Installation and configuration of WMQ.Implementation of WMQ , clustering and HACMP Clustering. Implement Application connectivity with the Queue managers. Design no of Brokers and EG's on each Broker. Design Hardware Clustering for WMB. Design High Availability and load balancing scenarios for WMB. Installation and configuration of WMB.Implementation of WMB components and HACMP clustering.Perform Load testing and stress testing of WMB application. Analyse different migration approches for migrating from old WBIA adapters to JCA Adapters. Involved in Proposing the most efficient solution to the customer. Design and Implementation of the JCA adapters in the new landscape. Stress testing and load testing of the new implementation. Resolving key issues for JCA in coordination with the SWG Product team.Migrated code from WMB 6.1 to 8.0Updated code to use the new JCA structures for SAP.Designing and implementing common architecture like Error Handling, Logging, Message enrichment Show less Key resource in Production Support for a very complex environment for Integration using WMQ, WMB.Worked on implementation of overlapping clusters in WMQ to construct the ESB.Very good understanding of how WMQ clusters work.Setting up WMQ in Windows hardware cluster environment for High Availability. Setting up WMQ in AIX and Linux using HACMP and CRS hardware cluster software’s respectively. Installation and Up gradation of WMQ, WMB.Analysis of recurring issues and proposing permanent solutions.Administration of WMB. Performance improvement and fine tuning in WMB.Development of new flows in WMB using a variety of nodes.Worked on Protocols like ftp, Http, JMSGood understanding of RNIF in a B2B environment to communicate to partners. Basic knowledge of B2B concepts in Websphere Partner Gareway.Prepared test plans and documented test results Show less Development and support of Integration Interfaces towards SAP, E-matrix, External PartnersAdministration in Websphere MQ 5.3 Support of a EAI tool named Extricity where the business logic and process are implemented.Development of new interfaces using Java as core language in Extricity. Actively participated in migration of interfaces to SAP XIGenerated Mapping specifications from the java code to support migration to SAP XI. Monitoring of whole system to solve issues proactively. Resolving issues faced in production environment. Show less

  • Test Manager/Project Manager

    Jan 2020 - now

  • Solution Team Lead

    Jul 2015 - Dec 2019

  • Integration Architect

    Jan 2012 - Jul 2015

  • Technical Support Specialist

    Oct 2009 - Oct 2013

  • Application Support Consultant

    Jun 2007 - Sept 2009