[2] On 8 October 2018, Aidil Sharin had been appointed as Kedah Darul Aman head coach[3] for the 2019 Malaysia Super League season.
[8][9] The following 26 October, the team reached the final of the 2019 Malaysia Cup following a 8–8 aggregate win over Sri Pahang,[10] only to be beaten 3–0 by Johor Darul Ta'zim in the decisive game at Bukit Jalil National Stadium.
[11] Aidil Sharin became the first Singaporean head coach to manage a non-Singaporean team in the AFC Champions League when he guided Kedah into the 2020 AFC Champions League qualifying play-offs round which they thrash Hong Kong club, Tai Po 5–1 in the preliminary round 2 and thus seeing them advance to face FC Seoul in the play-off round which subsequently ended up as a 4–1 defeat at the Seoul World Cup Stadium.
[13] On 7 January 2023, Aidil was announced as the new head coach of Indonesian Liga 1 team, Persikabo 1973 on an initial 5-month contract.
Aidin Sharin leaves the club by mutual agreement, on 23 July 2023, citing family matters as the reason for his departure.
[18] He will join fellow countrymen, Fandi Ahmad who is coaching Sri Pahang in the 2023 Malaysia Super League.
Aidil Sharin took over a Kuching City at the time on the lower end of the 2023 Malaysia Super League which is on a 17-game winless run.