Welcome to FOSS Careers
FOSS Careers is a web site for jobs in open source and Free Software.
It is mostly curated by Jeremiah Foster, feel free to get in touch if
you'd like to list a job; jeremiah AT foss.careers.
Here's an interesting job at Microsoft, from their jobs web site;
"Microsoft is “all in” on open source software and this is a unique
opportunity to be part of Microsoft’s open source evolution. Open
source has become core to Microsoft’s culture and business, and
Microsoft has become one of the industry leaders in open source
participation, active open source projects, and usage."
Open Source Attorney
As you can see, there is not much here yet. Perhaps try these other
web sites if you're interested in a job in open source in the