General:

APHA CareerMart
Public Health Jobs Worldwide
Public Health Employment Connection

Federal Government:

United States Federal Government (USAJobs)
U.S. Department of Health and Human Services

• Administration for Children & Families (ACF) 
• Administration on Aging (AoA) 
• Agency for Healthcare Research and Quality (AHRQ) 
• Agency for Toxic Substances and Disease Registry (ATSDR) 
• Centers for Disease Control and Prevention (CDC) 
• Centers for Medicare and Medicaid Services (CMS) 
• Food and Drug Administration (FDA) 
• Health Resources and Services Administration (HRSA) 
• Indian Health Service (IHS) 
• National Institutes of Health (NIH) 
• Substance Abuse & Mental Health Services Administration (SAMHSA)

Commissioned Corps of the U.S. Public Health Service
Environmental Protection Agency (EPA)  

State and Local Government:

State Health Agencies via ASTHO
Local Health Departments via NACCHO
State and Local Government Links (USAJobs)

Academic:

Academe This Week
Academic Employment Network
Academic Position Network 

Private:

Averion, Inc.
Career Opportunities with Eli Lilly & Company
Genentech Job Opportunities

Jobs in Biotechnology
+Jobs California
John Snow Incorporated
Lawrence Berkeley National Laboratory
Lewin Group
Mayo Clinic Online Career Center
MedWeb: Employment Opportunities
Merck & Co. Career Opportunities
Orkand Corporation Career Opportunities
Pharmametrics GmbH
PPD, Inc. Biostatistics Job Opportunities
Procter and Gamble Career Center
Positions in Bioscience and Medicine