Head of IT? <a href="http://www.youtube.com/watch?v=wrQUWUfmR_I" rel="nofollow">http://www.youtube.com/watch?v=wrQUWUfmR_I</a><p>Seriously, I would say the Software Architects are hard to fill. Sure, you can find Senior Devs and Development Managers that claim to be Architects, but a true architect, someone who can really see and build the whole picture is hard to find.