Earlier quoted context omitted.
> You must be a US citizen to work for my company. No "US Persons" (visa holders) or foreigners allowed. This is illegal under IRCA unless another law or government contract mandates it. [1] If every single role at your company requires a Secret clearance, then I question how separate “your part of the company” really is from the part that makes weapons. [1] https://www.eeoc.gov/national-origin-discrimination
It is required by law. Most likely through prohibitions for "exporting" defense technology, which can be very broad. "Exporting" can consist of having a casual conversation with a non-"US Person" or having a document visible on your desk. "Secret" classification is really mild, about 5 million people have one. >The law prohibits employers from hiring only U.S. citizens or lawful permanent residents unless required to…
Edit: Ah I see you are not disagreeing with what I said at all. Apologies, I cannot count the number of times I have seen in reddit and here, where people confuse ITAR with clearance.