After graduating in 1932 from the Gorky Construction Technical School (Department of Industrial Transport), he worked in "Soyuztransstroi" as a site technician in the village of Rudnichnoye of Satka District in the Ural Region (now the Chelyabinsk Region).

During this period (1933-1934) appeared his first inventions "Automatic firing from a machine gun through the action of infrared rays" and "Gasometer".

In the autumn of 1934 Sudayev served in the Red Army,[2] in the railway troops, where he showed great interest in weapons.

[2] At this time, the Dzerzhinsky Artillery Academy created a school of gunsmiths, which recruits students from various universities, which had a tendency to invent and design.

In 1941 Lieutenant Sudayev defended his diploma project[2] (7.62 mm machine gun) with honors in German language.