Sonata Software - Hadoop Administrator - Big Data Platform in Chennai, भारत

Professional Summary : Experienced Hadoop Administrator with 8+ years of expertise in designing, implementing, administering, monitoring, troubleshooting, and supporting enterprise Big Data https://jobeax.com/link/DMuNz6lbkIBcCnpO hands-on experience with Cloudera CDP, Cloudera Manager, HDFS, YARN, Hive, Spark, Impala, ZooKeeper, JournalNodes, Kerberos, and Apache https://jobeax.com/link/x0BfEPF7oaBsecqA 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 https://jobeax.com/link/PG7d7zuokUFz82IA Stack : HDFS, YARN, Hive, Spark, Impala, Oozie, ZooKeeper, Cloudera CDP, Cloudera Manager, Kerberos, Apache Ranger, RHEL/Linux, ServiceNow/JIRA, Splunk. (ref:hirist.tech)