Sorry - but with respect it is difficult with the national security agencies. These top bureaucrats have a lot of classified knowledge -—
So in the past they have found them other jobs - in universities, other govt agencies (especially the pentagon).
I (very tangentially) know a very senior NSA manager that is now at U of W. Basically he got a position to live out his working career.
One thing is clear. Too many of these folks are a serious problem, and they need to be removed as swiftly as possible.