Once he became the shinshi (Daigaku student who passed a subject of the official appointment test) at Daigaku-ryo (Bureau of Education under the ritsuryo system), he consecutively held positions of Kurodo (Chamberlain), Zusho Gon no suke (book officer), and civil government officer.
大学寮において進士となったのち、蔵人、図書権助と、文官系官吏の履歴を重ねている。