Academic Student Employee (Graduate Staff Assistant) openings are listed on the University of Washington Employment website, under Student Jobs.
On the Student Jobs page, follow the links to Academic Student Employment listings.
http://www.washington.edu/admin/hr/jobs/
These openings for Graduate Staff Assistants are also listed on the UW Libraries website at:
http://www.lib.washington.edu/about/employment/gradstudent/index.html