Hadoop Administrator
Wipro
Total years of experience :16 years, 9 Months
Working as Hadoop Administrator supporting the Client environments of Wipro.
Troubleshooting
Performance Tuning
Commissioning & Decommissioning of Data Nodes
Configuring BDR for the environments
Working with Developers
Capacity Planning
Working with Auditors on Security Issues
User Administration, Addressing Performance Issues
Troubleshooting Long Running Jobs and Related Issues
Managing Pools
Working with Cloudera Support
Worked as Hadoop Administrator in Hitachi Consulting. Supporting Client environment including implementation, administration, performance Tuning, user Administration and Maintenance activities. Supporting both Production and Development environments and interacting with Users and resolving the requests and Troubleshooting issues.
Supported the Clients Environments of Hitachi (Vantara) Consulting. Have Supported the HA Environments with 50+ Nodes with Hdfs, Hbase, Hive, Kerberos, Acls, Spark, Yarn, Kafka being part of the environment.
Installation, Configuration, Commissioning & De-Commissioning of Slaves, Troubleshooting of the issues, Upgrading the environments.
Taking care of user issues, Performance Issues & Troubleshooting .
Worked as Oracle ERP Dba, supporting Clients of Hitachi
Performing all required activities include
Upgrade
Patching
Cloning
Backup & Maintenance Activies
Troubleshooting
Performance Tuning
User Administration
Oracle Database Upgrade and Performance Tuning Activies
Working with HA Environments like RAC, DataGuard
Working with Tools like RMAN, EM etc.,
Working with Oracle Support
Working with Change Management
Worked as an Oracle Apps Dba, supporting the Erp environments of ZAIN TELECOM in its Data Centre.
Worked in IBM for different projects as a Sr. Oracle Core/Apps dba. Worked with clients like Ericsson, Vodafone Italy, ABB ., Worked in environments with high availability and erp environments on Erp versions 11i & R12.
Worked as Oracle Dba for HP (Hewlett Packard) supporting the Databases of NOIKA around the world.
Master Computer Applications