: Some sort of consultant assigned to a UNSC ship. Don't fancy myself a fighter
: so the military is out, but even a job that was on some UNSC frigate or
: cruiser would be cool. Then you'd get to visit planets and see the ship's
: technology. The downside would be cryosleep.

I can totally picture this:

"Send those medical supplies down to deck.... uh.... How many decks do we have, Ensign Loftus?"

"25, sir. And each one is 7.5 ft tall, at least on the Charon-class frigates, which compared to Paris-class has a slight discrepa---"

"Uh, thank you Ensign Loftus."

Or.

"Sir! Covenant Assault Carrier has just slipspace-d into the system!"

"Loftus, how many UNSC cruisers-long is it?"

"4.75 sir! Unless we're at Reach, and then it might be a super-carrier and then it would..."