Lead Hadoop AdminLocation: Foster City, CA-HybridDuration: 6+ MonthsJob Description:• Basic to intermediate experience with Spark• Good experience with SQL. Should be able to understand and implement performance optimization.• Memory management experience• Queue allocation, distribution experience in Hadoop/Cloud era environments• Should be able to scale clusters in production and have experience with 18/5 or 24/5 production environments.• Good with one programming language.• Good exposure to Hive and Hadoop systems with exposure to monitoring tools. Sqoop, Oozie and other external tools.• Familiar with patch upgrades.