So he had no qualifications outside of intelligence.
Again, working in the civilian sector certainly means fewer pure thrills than working in military intelligence, but the professional skills are massively transferable to other contexts absent a dishonorable discharge. I find it much easier to imagine some issue that didn't comport with his whole-life military ethos - a personal failing, grossly anti-meritocratic discrimination, repeated subjection/exposure to unconscionable command decisions or somesuch.
Clearances are under more scrutiny for intelligence operators than cyber because, generally, the cyber people should not have access to finalized intelligence, the assessments and recommendations passed to decision makers. Cyber people also only work in cyber and know nothing about other sensor areas (ie human spy programs).
https://www.cbsnews.com/amp/news/deaths-disappearances-scien...
Good luck.