Glassdoor's Job Search, Salaries and Company Reviews --free on iOS and Android
LinkedIn --free on iOS, Android and Windows Phone
CareerBuilder's Jobs-- free on iOS and Android and for KIndle devices.
Here's a New York Times article that reviews all three: Remember Want Ads for Jobs? Now You Find Them on a Phone.
Books can be found in the library stacks under these call numbers: HF 5382.7 (job hunting) HF 5383 (resumes) and HF 5549.5 (employment interviewing)
Search these same terms in the library catalog or the databases for more books and articles.