Move sub-page bottom navigation to the top of page

Site URL: https://www.willockandsaxgallery.com/painters/les-graff

Hi, 
Is there a way to add or move the portfolio sub-page bottom navigation to the top of page?
My client is a gallery and some of the pages are very long, so we wanted to make it easier to move forward and back between artists (sub-page) instead of scrolling to the bottom of the page. 
Thanks!