If it politically vibes with him and if he prefers applied linguistics to theoretical/academic, then SIGINT/signals intelligence, whether in the military or for

If it politically vibes with him and if he prefers applied linguistics to theoretical/academic, then SIGINT/signals intelligence, whether in the military or for intelligence services. Potentially certain types of analyst position or even in the diplomatic services, particularly in regions of the world with many/complex local languages and dialects (e.g. sub-Saharan Africa or central Asia).