Kammala jumla mai zuwa: Oliver ya shiga Kwalejin Munster a farkon kakar 2015-16, bayan da ya sami damarsa ta iyakance tare da Leinster. A ranar 19 ga Fabrairun 2016, Oliver ya fara taka leda a gasar Munster lokacin da ya zo a matsayin wanda ya maye gurbin Tommy O'Donnell a wasan da suka yi da Glasgow Warriors a wasan da suka buga da Manchester United a ranar 15 ga watan Afrilu.
2015<unk>16 Pro12 tsayayyen. A ranar 24 ga Satumba, 2016, Oliver ya zira kwallaye na farko don Munster, bayan ya zo a matsayin mai maye gurbin dan wasan da ya ji rauni Jack O'Donoghue a cikin wasan 2016-17 Pro12 da Edinburgh.