Are you interested in sales, research, production, extension services, …? Do you want to work with exotic animals, dairy or beef cattle, poultry, horses, goats… you get the picture
Any school that has an ag college usually has good ag links. Sometimes you can look at the schools employment website for on the farms jobs or staff positions. However, I have found that a lot of those jobs do require an advanced degree.
Here is a mixed bag of websites. I might have something more specific if you know what you are looking for.
The University of Vermont Internships and Careers (Animal Science Depar)
http://asci.uvm.edu/intern/
www.agcareers.com
http://www.idealist.org/
(non-profit organizations like Heifer International, use like animal for a keyword)
Pennsylvania Association for Sustainable Agriculture
http://www.pasafarming.org/opportuni...ortunities.htm
www.petsmart.com
www.goldkist.com
http://www.equinepros.com/jobs1.htm
http://www.aza.org/JobListings/
(zoo jobs)
http://www.landolakesinc.com/careers/lol_careers.asp
http://www.tysonfoodsinc.com/corpora...us/careers.asp
Department of Ag Agency search
http://jobsearch.usajobs.opm.gov/a9ag.asp
http://www.pilgrimspride.com/aboutus/careers.aspx
Hope this helps
