I would start by making YOUR feelings known first, making it
safe for them to answer truthfully!
"I think you're a great guy I'd like to know you better / spend more time with you. How about you?"
It'll now be safe for them to say they reciprocate... and if they don't, chances are they don't feel that way. Try not to let any disappointment show in front of him if that happens, because not getting an immediate response doesn't guarantee there's nothing there!
Good luck, Hotstuff.
Someone's a lucky fellow!
I agree with this. It's hard and scary but anything worth having is worth working for. Right?