During the Middle Ages, Job had mainly three allegorical meanings, namely: Christ's perfiguration, resurrection and patience. Nevertheless, scholars have not considered a forth one which identifies him with discerniment. This article traces the tradition of this meaning inherited by Girolamo Savonarola. From a fragment of his Sermons on Job, we show, on the one hand, the theological ideas that the friar used in his explanation of the ascent of the soul towards contemplation, and on the other, the importance of Job in this process.