Job Search on Twitter

Twitter is a social networking and microblogging service utilizing instant messaging, SMS or a web interface. Twitter is open ended and people and companies use it in a variety of ways, including to job search.

Users post updates on Twitter that are displayed on the user's profile page and delivered to other users who have signed up to receive them.
Twitter.com

Employers and job sites post job openings on Twitter, and job seekers use Twitter to help facilitate their job search.

Twitter Job Sites
Twitter job sites, Twitter job search engines, job tweets, and how to find jobs on Twitter.

Users also can search Twitter for jobs:
Twitter Search

TwitJobSearch.com
TwitJobSearch.com is a job search engine that searches Twitter for jobs by keyword.

Employers are using Twitter, too. Zappos, for example, has a link to Twitter on their home page, so you can see what Zappo employers are doing now and the company is using Twitter to recruit. Rainier PR has recruited and hired using Twitter. AT&T posts open positions on Twitter. Many other companies have a corporate presence on Twitter. Search by the company name to find them.
Twitter Name Search
Twellow Twitter Search

You can follow me and the About.com Job Searching site on Twitter:
Follow Alison on Twitter.