But this is the crux of the job-seeker's dilemma. If he/she is specific about their interests when speaking to an interviewer, they might get a response like "well, we're really looking for someone whose operational focus is [something else]".
And if they're not super-specific (I doubt anyone does data analysis exclusively without any other involvement in the project), but instead attempt to give examples where they had demonstrable impact working across a number of domains, you might hear a response like this:
> Even reading your comment, you don't sound like somebody who wants to analyze data.