Rubuta ci gaba don wannan sakin layi - Vettonianus yana da mummunan farawa ga aikinsa, a matsayin "tresviri capitales", ɗayan magistrates da suka ƙunshi "vigintiviri". Wannan ita ce mafi ƙarancin matsayi na hudu, ga mutanen da suka riƙe wannan ofishin ba su da wata nasara mai nasara: Anthony Birley zai iya samun "capitals tresviri" biyar kawai waɗanda suka ci gaba da zama gwamnonin lardunan masarautar. Bayan wannan an ba shi izinin zama Tribune na soja na Legio VI Victrix, sa'an nan kuma aka sanya shi a birnin Legio (León na zamani) a Hispania Tarraconensis. Bayan ya yi aiki a matsayin quaestor a Sicily, ya karɓi wani aiki a matsayin "legatus legionis" ko kwamandan Legio IV Scythica a cikin AD 62, wanda ke zaune a Zeugma a Siriya. A wani lokaci Vettonianus ya sami kansa yana jagorantar rundunar soja a karkashin jagorancin Lucius Caesennius Paetus a cikin Roman-Parthian War na 58-63
Ka yi haƙuri. Duk da haka, rundunar ta ci nasara a yakin Rhandeia kuma ta sha wahala.