Daga 1930 zuwa 1933, ya yi aiki a cikin masu tsaron kan iyakar Soviet a kan iyakar Soviet-China. Bayan kammala aikinsa na soja, ya koma Krasnoyarsk a matsayin mai farfaganda. A 1933 ya yi aiki a Sashen Farfaganda na Kwamitin Jam'iyyar District na Novosyolovsky. Bayan 'yan shekaru sai aka ci gaba da shi zuwa shugaban wannan sashen a Uyarsk Raykom. Chernenko ya ci gaba da hawa ta hanyar jam'iyyar, ya zama Daraktan gidan Krasnoyarsk na Party Enlightenment, sa'an nan kuma a 1939 Mataimakin Shugaban Sashen Agitpropno na Kwamitin Yankin Krasnoyarsk, kuma a karshe a 1941 Sakataren Kwamitin Yankin Yankin Yankin. A cikin shekarun 1940 ya kulla dangantaka ta kusa da Fyodor Kulakov.
1945 shekara