In 1869, he entered the government service at Tsukiji Navy Training Center, and served in a variety of posts such as the senior assistant professor on military science, the junior assistant professor on military science and a middle professor on military science, and in the end, he was promoted to the Lieutenant Colonel of the Navy.
明治2年（1869年）、築地海軍操練所に出仕し、兵学大助教、兵学少教授、兵学中教授などを歴任し、海軍中佐まで昇進。