Fuimaono Titimaea Tafua was awarded the job in September following the resignation of Namulauulu Alama Ieremia.
RNZ Pacific understands Fuimaono was ranked last of the seven shortlisted candidates interviewed by an independent panel.
But the SRU Board, of which Fuimoano was a member, opted to appoint him to a second stint in charge, despite the panel recommending another candidate.