Kammala jumla mai zuwa: Bayan shekaru biyar a matsayinsa na IRFU, Clarke ya koma Ulster a 2012 a matsayin mataimaki a karkashin Mark Anscombe. Clarke ya ci gaba da wannan rawar a ƙarƙashin magajin Anscombe, Neil Doak da Les Kiss. A lokacin aikinsa na biyu tare da Ulster Doak ya ci gaba da kasancewa tare da Irish da aka kafa a lokaci-lokaci, yana aiki a matsayin babban kocin Emerging Ireland a lokacin nasarar su.
Gasar cin Kofin Tbilisi ta 2015.