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 played a role during the rule of emperors Valentinian III and Theodosius II. He served as magister militum in Italy from 425 to 429, although his subordinates Bonifacius and Aetius were considered more influential in military matters.