1) Solid, hands-on Hadoop administrator experience
2) Firm knowledge of HDFS and MapReduce (preferably MapR distribution. Not Required)
3) Experience in configuring Flume, Sqoop, Hive, Pig, H-base, and FairScheduler & other Hadoop Ecosystem tools.
4) Experience in Hadoop & ecosystem patches&upgrades, excellent bash scripting, troubleshooting Hadoop Job failures and cluster issues.
5) Experience setting up clusters, preferably from the ground up.
6) Experience maintaining and monitoring clusters
7) A firm handle on system administration issues within the Hadoop ecosystem and associated components such as Flume, Sqoop, Hive, Pig, and HBase, Datameer, Talend.