Wekundu wa Msimbazi searching for a new man to guide them in the competition and local competitions.
Simba have since appointed Frenchman Didier Gomez Da Rosa and he will handle the team in the meeting against the Congolese side.
Da Rosa has already named a travelling squad of 27 players for the clash, leaving out injured captain John Bocco and Zimbabwean striker Perfect Chikwende, who is not eligible to play, having turned out for Platinum against the same side.
However, Da Rosa will be happy to welcome back Ghanaian forward Bernard Morrison, who missed the two-legged fixture against Platinum owing to a knee injury.