Physics

• Physics Jobs Physics Jobs is the definitive online resource for job announcements, career enhancing courses or calls for proposals accessed globally by the physics and engineering community. {self description -- ed}
• AIP Career Network Web The American Institute of Physics Career Services Center is the leading career network for physics, engineering and related physical sciences. It connects industry, academic and government employers with the most qualified, career-minded professionals. {self description -- ed}
• Canadian Association of Physicists (CAP) Career Page
• Job Futures (Services Canada) Physics Pages
• American Physical Society (APS)
• American Institute of Physics Success Stories
• Physics Central (APS)
• PhysLink A science news site with job postings under the "Community" tab.
• The Industrial Physicist (TIP) -- read "real-world" experience of physicists in a variety of fields.

Astronomy

• AAS Job Register The key to astronomy employment {self description -- ed}
• AstroPlace.com Jobs A collection of links to Jobs Sites in Astronomy and Astrophysics
• Astrophysics Rumor Mill Edwin Hubble's [sic ] collection of rumours regarding employment in Astronomy & Astrophysics