As an onmyoji ranking with KAMO no Mitsuyoshi, he was given important posts by FUJIWARA no Michinaga, FUJIWARA no Sanesuke, and other powerful persons much the same as his father, and advanced from Tenmon hakase and Onmyo hakase to Onmyo no suke climbing to the Jushiinojo (Junior Fourth Rank, Upper Grade).
父同様に賀茂光栄と並び称される陰陽師として藤原道長・藤原実資らに重用され、天文博士・陰陽博士から陰陽助にまで昇進し、位階は従四位上まで取り立てられた。