I'm not looking for a job ATM, but i took a quick look at the site and while it looks clean and nice, the tags do not seem to work: the tags bar (why is it hidden by default? Initially i thought there wasn't a tag feature at all) at the left shows tags that are not part of the posted entries and the tags above the posted entries are not clickable. Also the search box should include tag (explicit when prefixed with # and mixed/fuzzy if just text - so, e.g, searching for #foo will only display entries with #foo tag but searching for just foo will display entries that contain the foo word but also the #foo tag).

Also i'd expect the location to be a drop down box with the locations sourced from the posted entries.

But good luck anyway, it sounds like a useful site (although like all those job posting sites, it mainly depends on the companies to post stuff there which i guess will be the hardest part).