There are those that have resumes tailored to a single particular thing that if hot right now, will have 1000 recruiters after them to run certain grid studies. I'm more of a fundamentalist (need to think of a better term)for my field where I can tell you the underlying math behind most of the studies performed, familiar with the pro/cons of a dozen different application softwares, can code, use SQL, Linux whatever. I'm also a people person, which is helpful as there is a lot of stakeholder interaction. If you understand the equations/theory and how all the technical junk works....there aren't many roles in my industry I can't get up to speed on in very little time, while having a global understanding for how it fits as a cog in the bigger machine. This isn't true of most in my industry unfortunately. Many many only know a single role, have experience with one tool, don't understand the math behind the tools, can't code or do data analysis... etc.

I've found the broad/general experience to be very valuable, but it's harder to convey that to recruiters sometimes that are looking for "X". I sometimes have to tell them that what I have is highly transferable to "X" and that I have a bunch of other goodies their employer would be very interested in. Sometimes it works if they're communicating with the manager looking to fill the role and not HR. If I can actually talk to someone at the company.... usually not hard to arrange, then they've often offered to make a custom role as well. I know it always isn't the same for software shops or large companies with layers of beauracracy, but that's my experience.