NOOO don't let him in Engineering. He either causes Data to pull out isolinear chips to disable things, or warps them to unchartable territories... and Wesley caused the Nanite thing in the first place.
And let us not forget the incident where he willingly helped orchestrate a dangerous, and forbidden, maneuver what killed a fellow cadet.
Among others. Dude's trouble.
SHUT UP, WESLEY.
/Kidding... but you know I'm right.