Qualified Summary :

Experienced Hadoop Administrator with 8+ years of expertise in designing, implementing, administering, monitoring, troubleshooting, and supporting enterprise Big Data platforms.

Strong hands-on experience with Cloudera CDP, Cloudera Manager, HDFS, YARN, Hive, Spark, Impala, ZooKeeper, JournalNodes, Kerberos, and Apache Ranger.

Key Responsibilities :

- Administer and support Cloudera CDP Hadoop clusters using Cloudera Manager.
- Manage HDFS, YARN, Hive, Spark, Impala, ZooKeeper, and JournalNodes.
- Configure and troubleshoot HDFS HA, NameNode, DataNode, and JournalNode quorum issues.
- Manage YARN resources, queues, applications, and capacity planning.
- Perform DataNode decommission/recommission, node addition/removal, and cluster expansion.
- Configure and troubleshoot Kerberos authentication and Apache Ranger authorization.
- Monitor cluster health, capacity, performance, and service availability.
- Perform Hadoop service restarts, rolling restarts, patching, upgrades, and maintenance.




- Troubleshoot HDFS, YARN, Hive, Spark, Impala, and Kerberos production issues.
- Perform Spark-on-YARN performance and resource tuning.
- Analyze Hadoop application/service logs and perform RCA for production incidents.
- Manage HDFS replication, snapshots, quotas, balancing, and storage utilization.
- Support backup, disaster recovery, HA/failover, and recovery activities.
- Integrate Hadoop/Spark logs with Splunk and enterprise monitoring tools.
- Automate routine administration tasks using Linux Shell scripting.
- Provide 24x7 production support, incident management, and change management.
- Prepare SOPs, RCA documents, operational reports, and technical documentation.

Tech Stack : HDFS, YARN, Hive, Spark, Impala, Oozie, ZooKeeper, Cloudera CDP, Cloudera Manager, Kerberos, Apache Ranger, RHEL/Linux, ServiceNow/JIRA, Splunk.

📌 Sonata Software - Hadoop Administrator - Big Data Platform (India)
🏢 Sonata Software
📍 India