Felix served during the reign of emperors Valentinian III and Theodosius II. Between 425 (year in which he was made patricius) and 429 he served as magister utriusque militae in defense of Italy, but despite a brief mention of one of his military actions in the Notitia Dignitatum, his subordinates Bonifacius and Aetius were considered more significant in this regard.
Felix held office under the emperors Valentinian III and Theodosius II. From 425 to 429, he served as a military leader in Italy, but his subordinates Bonifacius and Aetius received greater recognition for their military accomplishments.