Strong experience is required in Spark.
Basic understanding of Hadoop/Big data concepts is a must.
Experience in Cloudera distribution will be an added advantage.
Should have good communication written / spoken. Expectation is member should be self-managed and able to provide effective status on individual work.
Should have at least 2 years of experience working on Hadoop eco system.
Should have exposure to some of the tools available as part of Hadoop eco system. (flume / Sqoop etc). (In past we have seen that many are aware of only SQL and nothing more, hence adding this point)