[8] He moved to India later and was offered a contract from East Bengal and Mohun Bagan but rejected them as the clubs were sponsored by an alcohol company.

[8] Jamil started his professional career with Mahindra United of the National Football League in 1997 but did not play during the 1997–98 season and left for Air India in 1998.

Mumbai managed to finish at 11th in the table, over relegation zone in the 2009–10 I-League, regarded as a great outcome considering the limited financial resources at his disposal.

[12] Jamil led Mumbai to 7th in 2010–11 I-League,[13] and back-to-back 6th placed finishes in 2014-15 and 2015-16, keeping the club in the top-flight for straight seven seasons while lacking financial back-up.

[18] On 19 June 2019, Jamil was appointed as head of the academy and assistant coach of the Indian Super League club NorthEast United on a three-year deal.

[19] Towards the end of 2019–20 Indian Super League season, NorthEast United dismissed head coach Robert Jarni and appointed Jamil as interim for remaining matches.

[20] Jamil was handed over the interim role again in the 2020–21 season after head coach Gerard Nus parted ways with club mid-season[21] NorthEast United went on a ten-game unbeaten run under him and advanced to 2020–21 Indian Super League playoffs, only for the second time in club's history, and Jamil became the first Indian coach to reach the ISL playoffs.