[tlogan]

It seems the problem is that some companies are looking for person who is expert in setting up scalable systems (Hadoop cluster, storage, high availability, etc.) and that she/he also knows statistics and efficient ways of processing and understanding the data. Good luck with that.

My observation is that requirements like this come from people who did mainly web programing (and actually that was making a lot of money so with money they become influential): assuming that this equivalent of writing both ruby code and javascript code.

Building team is hard and in order to solve "big data" problem you need to build a balanced team.