In addition to these positions in the church, Gassendi was appointed professor of philosophy at the University of Aix in 1617. However this position only lasted until 1623 when the Jesuit order took control of the university of Aix and he was forced to leave.
Bilang karagdagan sa mga posisyon sa simbahan, Gassendi ay hihirangin ng pilosopiya propesor sa University of Aix sa 1617. Subalit ito na posisyon lamang lasted hanggang 1623 kapag ang mga Heswita order took control ng unibersidad ng Aix at siya ay pinilit na umalis.