The year 1869 saw him become a professor when he succeeded Duhamel as professor of analysis both at the École Polytechnique and at the Sorbonne. Hermite resigned his chair at the École Polytechnique in 1876 but continued to hold the chair at the Sorbonne until he retired in 1897.
Ang taon ng 1869 nakakita sa kanya maging isang propesor kapag siya Tagumpay Duhamel bilang propesor ng pagtatasa ng kapwa at sa École Polytechnique at sa Sorbonne. Hermite nakatalaga sa kanyang upuan sa École Polytechnique sa 1876 ngunit patuloy na humawak ng upuan sa Sorbonne hanggang siya ay nagretiro sa 1897.