Vipers He made his debut for
Vipers SC in September 2014 against Entebbe FC and in the same match he scored his first goal.
Kizito made 14 assists as he guided Vipers to league glory playing for the first time in the top flight League (2014/2015 season).
Kizito was a pivotal player in the midfield of Vipers SC as they notched up their second league title in the club's history. Plying his maiden season in the top flight,
Kizito’s passing in the middle of the park caught many of his opponents unawares.
AFC Leopards In June 2017,
Kizito joined Kenyan side AFC Leopards as a free agent from
Vipers SC and signed a two-year contract with them. He made his debut on 27 July 2017 against Bidco United. Keziron came off the bench to score his first goal as AFC Leopards edged Bidco United 2–1 in the GOtv Cup round of 16 at the Thika Municipal Stadium.
Kerala Blasters He made his debut for
Blasters on 4 January 2018 against
FC Pune City coming as a substitute replacing
Dimitar Berbatov in the 46th minute. He could not play the entire season as he picked an injury midway through the 2017–18 season. He continued his stint with the
Blasters in 2018-19 season also.
KCCA In September 2019 he joined
KCCA FC and signed a 2-year contract. On 2 October 2019, he made his debut for
KCCA FC against Tooro FC. ==International career==