Fairly normal for a lot of jobs in other industries. I haven't seen it much at the online application stage in development openings, but most companies after a

Fairly normal for a lot of jobs in other industries. I haven't seen it much at the online application stage in development openings, but most companies after a certain stage are required confirm the legal working status of their employees in the US, which at some point or another will require a SSN or other identifying information. Unless they looks like a particularly sketchy outfit then don't worry too much.