[JabavuAdams]

Really, really only US citizens, or Canadians too? Is this an ITAR concern?

[ok_computer]

ITAR is more permissive, with US persons being the minimum requirement.

https://oiir.hq.nasa.gov/nasaecp/Webbrfg/tsld018.htm

Spacex recently was sued by DOJ for discrimination

https://www.justice.gov/opa/pr/justice-department-sues-space...

I have no idea about security clearances tho.

[spacemanspiff01]

Looks to be defense contractor (job listing says active security clearance is a plus)

[araes]

> Due to our work with the Department of Defense, applicants must be U.S. citizens and must be willing to undergo a background investigation. Some work may be performed at government customer sites.