Raja Y Email & Phone Number

4.8 years of overall experience in Systems Administration which includes proven experience inHadoop Administration, deploying, maintaining, monitoring and upgrading Hadoop Clusters usingHortonworks (HDP) Distribution and UNIX, Linux application support.3.2 year of comprehensive experience as a Hadoop Admin, 1.6year into application support.Analyzing the clients existing Hadoop infrastructure and understand the performance bottlenecksand provide the performance tuning accordingly.Experienced in using REST APIs to get the performance related data of various HadoopComponents.Defining job flows in Hadoop environment using tools like Oozie for data scrubbing andprocessing.Experience in configuring Zookeeper to provide Cluster coordination services.Good experience in performing upgrades and Patch Fixes.Experience in understanding the security requirements for Hadoop and integrating with Kerberosauthentication infrastructure- KDC server setup, creating realm and domain, managing.Worked on setting up Name Node high availability and designed Automatic failover control usingzookeeper and quorum journal nodes.Good Experienced managing Linux platform servers.Familiar in commissioning and decommissioning of nodes on Hadoop Cluster.Well experienced in building servers like DHCP, DNS and NFS and used them in buildinginfrastructure in a Linux Environment.Experienced in Linux Administration tasks like IP Management (IP Addressing, Sub netting,Ethernet bonding and Static IP).Strong knowledge on Hadoop HDFS architecture and Map-Reduce framework.Hands on experience in Linux shell scripting and creating blue print for Cluster build automation.Knowledge in job workflow scheduling and monitoring tools like Oozie and ZookeeperExcellent interpersonal and communication skills, creative, research-minded, technicallycompetent and result-oriented with problem solving and leadership skills.

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  Senior Hadoop Admin

  Otsi - Object Technology Solutions India Pvt. Ltd

  Oct 2018 - Present