The Manchester City midfielder is leaving when his contract expires at the end of this month.
Jambay told France Football: "In three years, it would be necessary to become the equal, not of a Paris Saint-Germain, but of Monaco. You have to reach the second one before going for the first. It will be hard to fight with Paris Saint-Germain and its means. But there are possibilities.
"We talk about Yaya Touré, we talk about (Mario) Balotelli, these are elements that can bring a plus and support (Dimitri) Payet, (Steve) Mandanda, Gustavo to form a good framework. Gradually, OM will be among the big ones."