How does one train to be a silversmith?

There is a job opening in the paper that caught my eye. It was for an experienced silversmith.

The description said: “Must be able to design, wax, mold, cast and finish product, ready for delivery. Additional requirements are to able to do a variety of designs and subject matter.”

I used to be a sculptor and would fire large works and made molds before switching to paint. So I was wondering how different silversmith work was.

Most importantly where can a person train? Is this something a person could do from their home?

Any information on the subject would be of great interest to me.