Senior System Engineers for Chicago, IL location. Install, maintain, upgrade, troubleshoot and support cloud-based software applications in large enterprise systems environment. Support, manage, install, and administer mission critical systems and applications in a Hadoop Cluster using Ranger, IPA, and Ambari Management Tool. Implement software standards and meet operational/disaster recovery requirements. Resolve problems, perform tuning on Hadoop clusters, and identify and mitigate root causes of issues. Technical Environment: Hadoop, HDFS, Hadoop/Cloudera Cluster environments, Hive, Sqoop, Zookeeper, Spark, MapReduce2, Yarn, HBase, Tez, Kafka, Unix, Python Scripting, Cloud Computing (AWS), OOZIE.