HigherEdJobs.com: HigherEdJobs.com is an online database for job seekers and employers focused exclusively on open positions at colleges and universities.
http://www.higheredjobs.com

TeachingJobs.com: TeachingJobs.com is one of the largest networks in North America for employment opportunities. If you are a teaching job seeker, you can freely search and browse jobs throughout the United States and Canada, or even post your resume.
http://www.teachingjobs.com

TEFL.com Professional Network: The TEFL.COM Network is one of the world's largest sources of worldwide jobs for the ELT professional. This system enables job-seekers to view international jobs in real-time and post a resume online.
http://www.tefl.com

The Linguist List Job List: This part of the LINGUIST List site is designed to provide information about jobs for linguists. The database includes all job announcements posted after December 31, 2001.
http://www.linguistlist.org/jobs/index.html