10 Dec, 12:23
Ireland's John Lacey will referee his first ever RBS 6 Nations while Alain Rolland is also included in the Elite Panel in what is his last season.
Forced to retire from playing in 2003, the former Ireland international and British & Irish Lion cut his coaching teeth at Dungannon RFC before moving to Castres.
Ulster's operations director David Humphreys said: "I'd like to take this opportunity to thank Jeremy for the contribution he's made over the past two seasons and on behalf of Ulster Rugby wish him well for the future."
Davidson will join French Division 2 side Aurillac as coach ahead of next season.