According to Brandon, MB, police, a woman told them that on Oct. 2 a man on an online dating website asked her to participate in sex acts that included bestiality with a dog.
The suspect was arrested Tuesday.
RCMP also arrested him on Sept. 28 for similar offences involving another woman that allegedly occurred Sept. 10.
The soldier was released on strict conditions after Mounties seized computers from his home near Brandon, which is located about 215 km west of Winnipeg.
The accused is scheduled to appear in court Oct. 29 on charges of soliciting illicit sexual intercourse, bestiality and circulating obscene matter.