Hadoop Admin

Role: Hadoop Admin\nLocation: Chennai/Kolkata/Pune/Hyderabad\nExp: 4-8 yrs\nMode of interview : Virtual\nMust Have Skills:\nMinimum 5 mandate details are mandate with two or 3 liners\n\nCluster Management:\nInstall, configure, and maintain Hadoop clusters (HDFS, YARN, MapReduce)\nManage multi-node cluster deployments across development, staging, and production environments\nPerform cluster upgrades, patches, and version migrations\nMonitor cluster health, performance metrics, and resource utilization\nImplement and manage high availability (HA) configurations for NameNode and ResourceManager\nSecurity & Governance:\nConfigure and manage Kerberos authentication\nImplement HDFS encryption (at-rest and in-transit)\nManage user access controls, ACLs, and permissions\nIntegrate with LDAP/Active Directory for centralized authentication\nImplement data governance policies and compliance requirements\nPerformance Optimization:\nTune HDFS parameters (block size, replication factor, balancing)\nOptimize YARN resource allocation and scheduling\nMonitor and resolve cluster bottlenecks\nImplement capacity scheduler and fair scheduler configurations\nManage disk space, data retention, and archival policies\nBackup & Recovery:\nImplement disaster recovery strategies\nManage HDFS snapshots and backups\nPerform cluster failover testing\nDocument recovery procedures