Prakash Roy Email & Phone Number

1. Managing, Maintaining, Deploying, and Troubleshooting Big Data clusters in the cloud and Private Data-Centers.2. Deployed Big Data clusters for HDP, CDH, & EMR clusters from scratch.3. Setting local repositories for HDP/Ambari/Cloudera-manager/CDH/CDP/CDF/HDF.4. Enabled high availability (HA) for NN, CM, RM, HMS, HS, Ranger, Atlas, and Production/Stage/UAT/Test environments.5. Doing Phone calls/Zoom/WebEx clients for issue resolution.6. Using Jira ticketing tools to manage tasks and incidents.7. Adding/deleting/managing users/groups for Datalake, DataHub, and Hadoop clusters.8. Strong knowledge and experience with a range of Big Data components such as HDFS, YARN, Map Reduce, Hive, Sqoop, Oozie, Spark, Kafka, and HDF services.9. Working on Hadoop jobs monitoring and optimization tool Unravel.10. Involved in planning and estimating cluster capacity and creating roadmaps for the Hadoop cluster with the Hadoop Architect team.11. Working closely with the Application/Development/Engineering/Data-Scientist/Management Team for facilitating them in running their jobs, troubleshooting job failures, and sharing data sets requested.12. Commissioning and Decommissioning of hosts/Datanodes13. Migrating hosts/roles within the cluster nodes and or to different cluster hosts.14. H2o (an AI tool) cluster deployment/troubleshooting and monitoring.15. Using NiFito create Data flow pipelines, pushing data to multiple locations like HDFS, SFTP location, or to another cluster/location.16. Installed Jenkins, Sonarqube, Maven, GitLab, Decker, and Kubernetes & integrated them with each other.17. Installed and monitored ELK stack in Linux environment.18. Helping the Application Team in running/deploying jobs in production environments.19. Integrated Microsoft’s Power BI and Tableau with Hive/Impala for data visualization.20. Managing data transfer between clusters & outside the clusters using BDR, distcp, and Winscp tools.21. Integrate multiple sources to get data in.22. Setting up and configuring Hadoop clusters for security using MIT Kerberos, Microsoft AD, & LDAP for authentication and Ranger for Authorization.23. Performing minor/major upgrades on CDH/CM/HDP/Ambari/Java.24. Jobs scheduling and monitoring using the Oozie tool.25. Knowledge of Hadoop Security Kerberos Authentication & Authorization using Ranger.26. Worked at a client location for United Airlines and managed their DataLake clusters and other use cases that are running on top of Hadoop clusters.27. Resolving issues in SLA.28. Ticketing - Jira & Linear29. Doc - Notion & confluence