Kammala wannan jumlar: Daga Maris na 1918 zuwa Oktoba na 1918 Smidovich ya yi aiki a matsayin shugaban Soviet na Moscow. Daga 1919 ya kasance shugaban majalisar tattalin arzikin lardin Moscow. A cikin 1920 ya shiga cikin tawagar Soviet a tattaunawar zaman lafiya da Poland. A 1921 ya shiga cikin liquidation na Tambov da
'Yan tawayen Kronstadt. A ranar 30 ga Disamba, 1922, ya buɗe Babban Taron Sojojin Tarayyar Soviet na I, an zabe shi a cikin shugabancinsa. Daga 1922 ya kasance memba na Hukumar Anti-Addini a ƙarƙashin Kwamitin Tsakiya na Jam'iyyar Kwaminis ta All-Union (Bolsheviks) kuma shugaban Sakatariyar Harkokin Addini, tun daga 1929 Shugaban Hukumar Dindindin kan Addinai a ƙarƙashin Shugabancin Kwamitin Gudanarwa na All-Rasha.