Hadoop administrator with 12 years of experience managing and optimizing big data environments. Skilled in designing, implementing, troubleshooting, and maintaining complex enterprise infrastructure. Prevented unauthorized access of sensitive data by configuring security settings on Hadoop nodes. Got multiple rewards from internal management and several positive feedbacks from customers.
· Working as Spark, Livy and Yarn SME. Also, provide support for Kafka, Streams Replication Manager, Streams Messaging Manager & Nifi, Cloudera Data Engineering service(Spark on Kubernetes)
· Experience of upgrading CDH to CDP (Private and Public Cloud).
· Helping Customer to secure cluster with Kerberos and TLS.
· Working on JIRAs to build CDH and CDP clusters from scratch
· If approved internally, providing solution to customer if they want to integrate third party software with Cloudera Data Stack
· Writing customer facing Knowledge Base Articles.
· Providing Bootcamp training to new joiners and Advanced training to experienced COE on Spark & Yarn.
· Building separate team for a particular customer if they need faster resolution which requires expertise on multiple components.
· Working with Product Engineering Team to identify the bug and issues with Customer code.
· Leading a 10 members team to manage a 45 node MapR Hadoop cluster.
· Providing end-to-end support including Performance tuning,Data Security, Monitoring, Process building, Patching & Upgrading the cluster.
· Writing Spark jobs to load and unload data from the cluster.
· Integrating Streamsets with the MapR cluster.
· Was responsible for configuring log and metrics monitoring using ElasticSearch and OpenTSDB
· Configuring HAProxy for Mysql.
· Installing and configuring Multi-Nodes fully distributed Hadoop cluster
· Moving Data from Oracle to Hadoop using Sqoop and Spark
· Migrating data from DB2 to Oracle
· Upgrading and Patching Oracle Databases
· Migrating Oracle 11g DB from single node oracle database to ASM RAC.
· Implementing cloud plus monitoring implementation using UNIX shell script and Windows batch script
Analytical thinking, Leadership, Communication, Team work
CKA from Udemy
AWS and Azure training from Udemy and Cloudera academy.