[3] According to information on 13 March 1917, he was an "employee of the commissariat of the 4 sub-district of the Foundry District" in Petrograd.
On 17 May 1919 he began working in the VIII department of the People's Commissariat of Justice: first as an expert, and then (no later than May 1920) in its body on the most important cases.
At the same time, he was an authorized officer of the Seventh Division of the Secret Department of the Cheka.
[5] In 1921, he became the organizer and head of the scientific society and publishing house Atheist (Russian: "Атеист").
Under the guidance of Shpitsberg, a library of atheistic literature of foreign authors was created, and the books were translated by P. Holbach, A. Drews, J. Robertson, G. Daumer, J. Fraser, L. Taxil, and others.