This stuff could be picked up in internships and apprenticeships, though in a lot of cases the state of the art is quite far beyond that, so you'd need to join

This stuff could be picked up in internships and apprenticeships, though in a lot of cases the state of the art is quite far beyond that, so you'd need to join a hobbyist club to really get that sort of experience. Hacker/maker spaces often have outreach events, and builder fairs are good for reaching out as well.