Vamsee Krishna Chandra Limma

Middleware Administrator around 16 years of knowledge and experience on IBM Websphere MQ(WMQ), Jboss, Apache, Tomcat, Weblogic, WMB, Datapower & Java based Middleware Technologies on AIX, Linux and Windows environment with 8+ years of extensive experience in IBM Websphere MQ(WMQ).

IBM Certified System Administrator – Web Sphere MQ 6.0, 7.0

Telefonica Integration, Cognizant Technology Solutions, 11/2021, 01/2024, MQ Developer, Telefonica UK Limited, trading as O2 UK (stylised as O2), is a British telecommunications services provider, headquartered in Slough, England which operates under the O2 brand.[3] It is owned by VMED O2 UK Limited, a 50:50 joint venture between Telefónica and Liberty Global. O2 is the UK's largest mobile network operator, with 23.8 million subscribers as of May 2023. The objective of this project is to provide Middleware support to Telefonica by handling all development & build activities. Implementation of configuration & build related changes on MQ & Kafka middleware applications, handling of severity incidents and providing support on triage and testing calls. The project involves various environments like REF, PERF and PROD, which involves 20+ servers in total., Install and Configure IBM MQ on both OnPrem & AWS Platforms., To Define, Configure and Manage IBM MQ Objects (queues, channels, processes, etc.), To setup MQ Cluster on different Environments., Design & Assist in implementation of MQ architecture as per Interface requirements., To Setup Kafka Connect property files and startup scripts., To Setup Curl commands to establish connection between MQ queues and Kafka connect., Coordinate Changes with other Systems and or Applications., Ensure Change Requests are complete and accurate as per requirement., Ensure Standards/Processes are being followed., Assist Operations Team for any support required in MQ & Kafka Connect., Provide support in case of critical issues in Production Environment., IBM MQ, Kafka Connect, APIC, AG(Datapower), ESB, & Linux. SAVVAS Learning Company, Cognizant Technology Solutions, 11/2019, 09/2021, Infra.Technology Specialist, Savvas a trusted partner in educating today’s students for tomorrow’s world. They are a next-generation learning company that combines new ideas, new ways of thinking, and new ways of interacting to create innovative learning solutions. A rich legacy of learning that students and educators have come to know and trust. Helping improve the educational outcomes of all students with innovative, personalized learning experiences is what drives at Savvas Learning Company. The objective of this project is to provide Middleware support to SAVVAS by handling all deployments & build activities. Implementation of configuration & code related changes on all middleware applications, handling of severity incidents and providing on-call support. The project involves various environments like TEST, QA, PRE-PROD and PROD, which involves 60+ servers in total., Install, configure, and maintain Weblogic Application servers, IBM HTTP server, JBoss EAS/EWS and Apache, Tomcat & IIS web servers, Tune application server parameters for optimal system performance, Install, configure, deploy and maintain Weblogic Application servers for business application use, Install, configure, deploy and maintain Apache & IIS web servers on Linux and Windows platforms, Ensure proper setting of system memory and system parameters in consultation with system administrators, Create and maintain application servers with optimal configurations and data source, Assist developers in detecting performance problems and resolve application related issues, Assist in remediation of security vulnerabilities detected through Qualys., Assist in coldfusion issues and administration related activities., Knowledge in setup of URLs based on SCO packages provided by customers., Provide continuous monitoring, troubleshooting, and historical and real time performance monitoring of the application server environments, Participate in “On Call” weekly shift supporting off hours and weekend activity (this is a rotating assignment shared with other members of the team, as necessary), Manage fully redundant load balanced Weblogic and JBoss services using F5 and Netscaler, Develop and maintain Unix scripts supporting the web administration function, Manage and setup Application & Web servers for Disaster Recovery, Manage Production Weblogic , Apache & IIS systems for critical applications in a complex environment with minimum supervision, Weblogic, Jboss, Apache, Tomcat, IIS, Windows, AIX,LINUX & Coldfusion. INTTRA Infrastructure Services, Cognizant Technology Solutions, 03/2013, 09/2019, Middleware Administrator, INTTRA by E2open (INTTRA) formed in 2018 when INTTRA merged with E2open to create a unified global logistics and supply chain network. INTTRA founded in 2001 by the world’s largest carriers to create a standard electronic booking system for the ocean freight industry Neutral from the start, the company and its platform evolved from its roots as a booking engine to provide a full range of software solutions and services for both shippers and carriers. INTTRA uniquely positioned to continue leading the digital transformation of the ocean shipping industry. INTTRA together with E2open will strengthen the connections and streamline the information flow between manufacturers, suppliers, shipping service providers, ocean carriers and all the participants in global trade. The objective of this project is to provide Middleware support to INTTRA by handling all deployments & severity incident tickets, implementation of configuration & code related changes on all middleware applications, handling of maintenance activities and providing on-call support. The project involves various environments like QA, STRESS, CVT and PROD, which involves 100+ servers in total., Support Middleware Applications on different Platforms., To Deploy, Configure and Manage Middleware Applications such as Jboss, Apache, Weblogic & Java based applications., To configure & provide basic support to AWS related EC2, ECS & SQS applications, Provide On-Call support in case of critical issues in Production Environment, handled over a bridge/conference line with an SLA of 90 Minutes., To setup MQ Objects & Cluster on different Environments., Ensure Incidents are addressed & resolved appropriately, Ensure Change Requests are complete and accurate and within SLAs coordinating with other Operation & Database teams as required.., Ensure Standards/Processes are being followed., Assist in coordinating implementation of architecture requirements., Handling Maintenance & other High-end activities., Jboss, Apache, Tomcat, Weblogic, WMQ 7.0 & 8.0, WMQ client, Windows, AIX,LINUX & AWS. Wellpoint, Inc [Wellpoint, Wellchoice, Anthem], IBM India Pvt Ltd, 07/2008, 09/2012, WMQ/WMB Admin, WellPoint, Inc. is the largest health plan company in the Blue Cross and Blue Shield Association. The objective of this project is to provide MQ/MB infrastructure support to WellPoint by handling all severity incident tickets, implementation of MQ related changes, handling of RFS projects and providing on-call support. The project involves various environments like DEV, SIT, UAT and PROD, which involves 500+ servers in total., Install and Configure MQ Series on different Platforms., To Define, Configure and Manage MQ Series Objects (queues, channels, processes, etc.), Provide On-Call support in case of critical issues in Production Environment, which will be handled over a bridge/conference line with an SLA of 3 hours., To setup MQ Cluster on different Environments., Deploy broker archives, configure configuration manager and broker manager., Deploy Datapower configuration, firmware upgrade., Monitor and Manage MQSI/MB Brokers and Configmgrs., Ensure Change Requests are complete and accurate and within SLAs., Coordinate Changes with other Systems and or Applications., Ensure Standards/Processes are being followed., Assist in coordinating implementation of architecture requirements., Handling RFS & other High end activities., WMQ 6.0 & 7.0, WMQ client, MQSI/MB, Windows, HP/UX, AIX, LINUX & Mainframes, Datapower. Floor Heating Systems- Design, Warmly Yours Equipments Pvt. Ltd, 05/2006, 09/2007, CADD Engineer, WarmlyYours began as an electric radiant heating products business over 15 years ago; treating customers well and offer the very best floor warming systems and services in the industry. WarmlyYours reflects deep, personal commitment providing with the exceptional customer service and the opportunity to provide prompt and friendly assistance. Work on to provide radiant heating products to bring comfort and affordable luxury in all aspects of homely space. The objective of this project is to provide best floor heating designs based on the floor plans provided., Check All the Floor Plans assigned to your queue.., Design the Heating system based on the Floor Plan., Efficiently Design the systems in Kitchen / Bathroom / Living Rooms with FirePlaces., To setup MQ Cluster on different Environments., Have the designs approved by Quality Teams., WMQ 6.0 & 7.0, WMQ client, MQSI/MB, Windows, HP/UX, AIX, LINUX & Mainframes, Datapower.

• Datapower
• AWS basics