Here is a collection of links that illustrate many of the job opportunities if you have a math degree.

AMS Profession Guide - Some basic information from the AMS about mathematics.

Mathematical Sciences Career Information - A joint project of the AMS, MAA and SIAM providing career information and services.

AMS Career Services - A nice collection of services from the American Mathematical Society including job listings.

Mathematical Careers Bulletin Board - An interactive service with information about nonacademic math career choices.

AWM Career Resources - A nice set of resources from the Association for Women in Mathematics.

MAA Career Information Guide - Some information about math careers from the Mathematical Association of America.

Mathematics in Industry - A report from SIAM (Society for Industrial and Applied Mathematics) about math careers outside of an academic environment.

Careers in Statistics - Career information from the American Statistical Association.

Be An Actuary - Information about actuary careers.

Informs Online - Career information from the Institute for Operations Research and the Management Sciences.