After he attended the new government in 1869, he was assigned to Musashi-chikenji (governor of Musashi region), and after it was reorganized to Kosuge Prefecture, he was assigned to be its governor after working as the vice-governor, and worked to found a foreign language school and so on.
明治2年（1869年）新政府に出仕すると、武蔵知県事に任じられ、翌年に小菅県に改称後には同県権令から県令として職に留まり、外国語学校の開設などを行う。