
Re: They don't rely on drug tests for past use
The really high level stuff doesn't really require bureaucratic screening. That's a matter of networking, power and who you know. Take, for example, Jared Kushner. That's why we don't know the formal secret designations. There are none.
As far as initial hiring goes, the obvious thing to do is just lie - just like the anonymous NSA source implies that he obviously did to get hired. If they are looking for spy qualifications, a qualified applicant will have the brains to apply discretion about when to deceive whom about what.