 Worked on Decommission of Datanodes on CDP clusters Worked on Service migration (example Hive, Oozie, Grafana, Flume) from one node to other within a cluster Worked on removal of Edge nodes on CDP Production clusters Worked on addition of new/existing Datanodes and Edge nodes into the HDP production cluster Worked on Namenode HA activity during RHEL upgrade by timely performing manual failover. Worked on large infrastructure of Fluentd and Kafka based techstack to achieve Centralised analytics of logs, metrics and events. New onboarding through Self Service with different ingestion mechanism (Kafka, PPA, Kconnect etc.) Worked on Kafka connect configuration to process the logs  Worked on KSQL streams configuration to transformation and process the logs Created Grafana dashboard for application log for monitoring and alerting Working with PRE teams to support and enhancement of Databus Support on weekly PLM activity and LBs availability for SS Worked on several ETL tools like Jira, ServiceNow, CA Service Desk