Jagananth M. Email & Phone Number

• Having 13+ years of IT Experience in Big Data, Snowflake, Mainframe and other technologies.• 2+ year experience in Snowflake Administration and Migration.• Data migration from Hadoop to Snowflake environment with Stored procedures and Hive Import and Snowflake Export process.• RBAC and User management in snowflake.• Security and Compliance – Data security, Access control, Data masking.• Monitor and Manage data warehouses and Data storage.• Track account activity, user logins, and usage patterns using tools QUERY_HISTORY, LOGIN_HISTORY• Data backup management like backup and restore using Time Travel and Fail-safe features.• Disaster Recovery plans to ensure continuity of operations.• Coordinate with data engineering, data science, and analytics teams to ensure Snowflake is meeting the organization’s data needs.• Document best practices, configurations, and procedures. Provide training sessions for users to improve their understanding of Snowflake.• Technical Leadership and Collaboration• Around 6+ years of working experience in Hadoop Admin.• Strong technical expertise in Hadoop Administration (CDP Public Cloud, CDH, HDP)• Worked on data management, data governance and Migration.• Configured secured Hadoop multi node cluster on premises and Cloud.• Maintaining and monitoring of Hadoop based servers.• Configure AD and MIT Kerberos and SSL configuration on Cluster to provision authentication and for multiple users.• Enable High availability server architecture process for Name Services: Hadoop hdfs metadata, Hive services and resource managers to run business as usual without cluster downtime.• Configured Ranger/Sentry to granular and role-based authorization module for Hadoop data, Hive DB and Kafka topics.• Involved in Hadoop cluster tasks like Decommissioning and Commissioning nodes without any effect to running jobs and data.• Diligently working with the infrastructure, network, database, application, and business intelligence Teams.• Contribute to planning and implementation of new/upgraded hardware and software releases.• Supported weekend OS patch and Production changes.• Strong experience in Upgradation/Migration/Conversion projects.• Interested/Willing to learn new technologies based on the business requirement (rapid adopting ability for the new technology).• Perform Backup and cross data center replication for HDFS and HIVE using Cloudera API.

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  Jawaharlal Nehru Technological University

  Computer Science