again, safety is the best thing. we have just had the first mono chamber fire in the us. http://cbs4.com/local/hyperbaric.chamber.explosion.2.999108.html at the last conference i attended in san...
http://www.hyperbaricnurses.org/ Please call them, they are very helpful. Also you didnt state what area of US you are located, but you can ask the association where is there a class for you to take....
I agree with the advice given to you, take the course first. The UHMS website used to keep jobs posted there, you can try that site too. It is a great field, I love it. Wish you