Today, I want to provide some links for searching jobs that I have collected over the last month. However, let me remind you that high percentage of jobs is NOT cast by official job announcements, especially in the private sector. Consider job announcements also as inspiration regarding jobs and organizations out there! This could help you in networking and for tailoring speculative applications.
For academic jobs as well as science management jobs:
http://www.nature.com/naturejobs/science/
http://ec.europa.eu/euraxess/index.cfm/jobs/jvSearch
http://ec.europa.eu/research/mariecurieactions/apply-now/jobs-for-you/index_en.htm
http://www.kowi.de/en/desktopdefault.aspx/tabid-195/
Research jobs in academia and industry can be found here:
http://www.kisswin.de/stellenboerse/stellensuche.html
http://www.staufenbiel.de/startseite.html
For the non-academic job market I got the following recommendation from the postdoc community:
Further non-academic job boards:
http://www.monster.de/geo/siteselection
If you like to add further links that you find helpful, feel free to do so in the comments section below!