The general advise is to find and go the companies you are interested in and contact them using their homepage which usually has an employment section. Some companies are listed below but you can find more by going through Medmarket.
Here are some of the job hunting resources that have been prepared for your assistance.
Bio
Online - Employment Listings
Biospace
The
Monster Board
Riley
Guide to Employment Opps. and Job Resources
Association
for the Advancement of Medical Instrumentation ( AAMI ) Job listings
Biomedical
Engineering Jobs
MedLine
Front Page
To BMES Homepage.