Hadoop administrator is an indispensable part of Hadoop ecosystem responsible for implementation, administration, maintenance of an overall Hadoop architecture.  Well versed in installing & managing distributions of Hadoop (Hortonworks, Cloudera, etc.)  Ability to deploy a Hadoop cluster, maintain a Hadoop cluster, adding and remove nodes using cluster monitoring tools like Ambari, Nagios or Cloudera Manager. Facilitate proficiency in operating and monitoring Hadoop clusters, right from installation and configuration to load balancing and tuning the cluster.  Accountable for storage, performance tuning and volume management of Hadoop clusters and MapReduce routines.  Manage and analyze Hadoop log files – each component in Hadoop ecosystem is written into log files so in case of any error or issue admin needs to look into log files.  Aid big data developers on big data infrastructure issues.  User onboarding, adding new services and components as per requirement.