Two look like they might be for the same thing:
https://www.upwork.com/jobs/_~01f537051ef72695ae/
https://www.upwork.com/jobs/_~01c10f2067affa8008/
The 3rd could be good for someone interested in doing migrations from old versions!
https://www.upwork.com/jobs/_~012962777b8ff0ec11/
Just FYI, have at it 
-brahn