As you progress through your museum career (or really any career!), getting advice from those who have been there and done that is crucial. Do you want to be a decorative arts curator? Then talk to other decorative arts curators, find out what they do every day, and how they got to where they are. Talk to more than one. Find your own path with their examples as guides.
Here’s a great article about informational interviews: how to reach out and secure them, how to make sure they’re productive, and how they can help you.