Gaudentius served under the Eastern Roman emperor Theodosius I against the usurper Eugenius. Later, when his son Flavius Aetius was born in 396, Gaudentius served as magister equitum, or Master of Cavalry, under the Emperor Honorius. In 399, he served as the Comes Africae.
Gaudentius served under Emperor Theodosius I against the rebel Eugenius. Later, when his son Flavius Aetius was born in 396, Gaudentius held the position of Master of Cavalry under Emperor Honorius. In 399, he served as the Governor of Africa.