He should settle down in a couple of days. If he still stays very active during the day - constantly roaming - he's stressed out by the larger enclosure. Add more hides and coverage at that point to help him settle.
It's normal for him to be exploring a new home and look for "weak spots" for escape, but once he's satisfied his initial checking things out, he should retreat to one of his hides.
I'm free on weekends, and sexing isn't too stressful - whenever you're ready!