When you use a job search engine you'll find job listings from many different online sources. Job seekers can use job search engines to search job boards, company websites, professional associations, and other online job sites by keyword and location.
In addition to finding job listings, job seekers can use Indeed to search job trends and salaries, read and participate in discussion forums, and research companies.
LinkUp is a job search engine that searches for jobs directly from company websites, so you know you're getting "real" job listings.
SimplyHired not only searches for jobs, it shows you who you're connected with on LinkedIn and Facebook, so you can use your contacts to help get a foot in the door at companies of interest.
US.jobs post thousands of jobs directly from company websites and from state job banks.
Here are some of the best job search engines you can use to expedite your job search. Check out, as well, the niche job search engines that find specific types of jobs or jobs posted on social networking sites like Twitter.