Career
He previously played for A.F.C. Leopards Sofapaka and Kenya Commercial Bank in the Kenyan Premier League, as well as Tunisian side Club Africain and Tanzanian club Azam. A.F.C. Leopards
On 13 June 2014, Mieno joined A.F.C. Leopards from Sofapaka for a reported Ksh. 1.2 million (approx United States$13,690 or £8,100).
Tusker
After only almost seven months with Ingwe, Mieno"s transfer to Tusker was announced on 27 January 2015.
He added that it was the same reason he left Sofapaka as well. Mieno made his debut for Tusker in a 1–1 draw against Thika United at the Thika Municipal Stadium in their first league game of the season on 21 February 2015.