The Department of German provides the following list strictly for informational purposes only. Some of the links may be outdated.
GERMAN ACADEMIC EXCHANGE SERVICE
DEUTSCHER AKADEMISCHER AUTAUSCHDIENST — DAAD)
https://www.daad.de/rise/en/rise-germany/find-an-internship/
https://www.daad.org/en/category/internship/
https://www.daad.de/deutschland/in-deutschland/arbeit/en/9149-work-placements/
https://www.daad.org/de/ueber-uns/daad-informationszentrum-san-francisco/
Deutsch-Amerikanische Handelskammern:
German Consulate General San Francisco:
https://www.germany.info/us-en/embassy-consulates/san-francisco
Goethe Institute
The Goethe Institute also offers a yearly career day, link to this year’s (past) event:
https://www.goethe.de/ins/us/en/sta/sfr/ver.cfm?fuseaction=events.detail&event_id=21338901
International internships and work abroad programs