The former Munster and Newcastle Falcons full-back, who stepped down from the helm of the Zayed Sports City club at the end of the 2014/15 season, led Quins to a UAE Premiership and Dubai Sevens double before being named Fiji’s Sevens kicking coach.
New Zealander Manning is still based in the UAE capital and played a prominent role in Ben Ryan’s coaching set-up.
The Fijians secured a dramatic gold medal after demolishing Great Britain in the final.