Volunteer work is probably appreciated at a large breeders facility.
I have local breeder to me who ive bought snakes from and been to his house to checkout his setup. He has helped me with any question ive had, let me handle snakes from his collection, check out pipping hatchlings, and even showed me some stuff with a new gene hes working with. He's already told that when im ready to build my first incubator i gotta come over so he can help me wire everything and set it up. Im not paying him for any of this, hes just an awesome guy. His philosophy is if his customers do well, he does well. So he does everything he can to make sure his buyers like me do well!
Try and find someone local to you like that lol!