 On 4 December 2017, Sean signed a one-year contract with Malaysia Super League club Selangor on a free transfer.On 1 July 2017, Sean was called up to the Malaysia U-23 for 2018 AFC U-23 Championship qualification in 2017.Sean made his full debut on AFC qualification matches against Indonesia U-23 on 19 July 2017, playing 30 minutes in Bangkok, Thailand.