Early-career Profiles AMS profiles recent bachelors-level alumni to give possible math students an idea of the careers they might by employed at.  This is a nice site that you can browse by industry.

Employment Opportunities in the Mathematical Sciences  Current job listings on the MAA Website.

Poster "What can I do with a math degree?" created by the AMS.  (this one takes a few seconds to load as it is a high-quality color pdf file)

  101 Careers in Math (2nd ed.) edited by Andrew Sterrett, published by the MAA.

MAA Career Profiles  It appears that these have not been updated in a while, but these are good profiles of selected persons who use mathematics in their careers.  From the website: "The authors of these essays describe a wide variety of careers for which a background in the mathematical sciences is useful. They provide practical answers to the question: "Why should I study math?"

AMS Career Profiles These are also archived career profiles (from the late 1990's) provided by AMS.