Depending on your interests:
Actuarial, Business, and Finance
Actuary
Applied Mathematician
Benefits Specialist
Business Analyst
Communications Engineer
Economic Analyst
Financial Analyst
Investment Analyst
Investment Manager
Market Researcher
Product Developer
Computer and Information Sciences
Computer and Information Research Scientist
Computer Programmer
Computer Systems Analyst
Cryptanalyst
Database Administrator
Operations Research Analyst
Software Developer
Systems Analyst
Statistics
Biomathematican
Biometrician
Demographer
Econometrician
Psychometrician
Quality Control Analyst
Statistician
Teaching/Academic Research
College or University Professor or Instructor
Teacher (Elementary through High School)
Emerging Fields
Computational Biology and Genomics
Computer Animation/Digital Imaging
Data Mining
Neuroscience
Materials Science