Dmoz.org : Globalization > Employement
The Open Directory has a category dedicated to employement in the g11n field.
http://dmoz.org/Computers/Software/Globalization/Employment/

LocalizationWorks
The site offers free globalization job posting for companies. It also includes a directory of companies and individual in the localization/internationalization field as well as a fairly complete industry news section.
http://www.localizationworks.com