If you are interested in working for one of the musuems or many arts organizations in New York City, then you should be looking at the CUNY Service Corp. Spot, formerly CUNY arts spots.
For the eligibility requirements, click here.
To learn more about this spots, click here.
And You can watch this video from a former intern.
Below is the current link to the application:
And for a look a the CUNY Arts Program as a whole, click here.
See below page: