Hadoop admin

VSA Cluster Managed Services support and high level includes. Level 2 & Level 3 - User and cluster support for all Analytical Production & Non-Prod clusters Application/user query tuning and optimization Cluster patching, version upgrades, bug fixes deployment and new enhancements deployment Deploying security patches, CVE fixes deployment, regular maintenance of all clusters in scope including clean up, purging etc. Application & user onboarding, resource allocation, User access requests and other related Platform requests or queries resolution Hardware and network issue coordination with relevant stakeholders and provide resolutions to end users of Hadoop Platform. Cluster expansion on all clusters. Managing & liaising with relevant stakeholders for escalated issues and enhancements. Apache Druid/Superset Admin Support with bug fixes and security patches and application-level security fixes • 18x5 Support for tickets during the weekdays. On-call support for P1/P2 issues during weekends Create needed JIRA tickets for L4 Development team All the activities will be driven via Visa's Service Now portal called AskNow. The latest trend for the last 6 months is roughly around 60/10 tickets/month comprising of all categories Incidents & Requests and Change approval tasks should be resolved in a timely manner within defined SLA's (indicative SLA's as below and to be firmed up during contracting stage) o 60% tickets to be resolved within 1-3 days (P2/P3 and P4 tickets) o 90% tickets to be resolved within 3-5 business days. o Resolution time for the rest 10% of tickets to be agreed with Visa Manager within 3 business days after ticket creation. Techstack and tools would primarily include Hadoop, HDFS, Spark, Hive, Kafka, Ranger, Yarn, Ambari, Kerberos, Apache Airflow, Zookeeper, Druid, Superset etc