It takes about 10 years to become a banknote engraver
The responsibility to approve all U.S. currency designs belongs to the U.S. Secretary of the Treasury. However, banknote engravers are the ones who handle the complex and intricate job of engraving the money. If this sounds like your dream job, you better get started: It takes a 10-year apprenticeship to become a banknote engraver.