Орловская губерния
Between 1923 and 1924, Mazuruk worked as an assistant engineer at a power plant in Lipetsk. From 1924 to 1926, he was secretary of the Komsomol Volost Committee in the village of Kuzminskiye Otverzhki and the Lipetsky Uyezd Komsomol Committee, and head of the school department of the Oryol Governorate Komsomol Committee. Between 1926 and 1927, Mazuruk was deputy head of the agitation and propaganda department of the Oryol City Party Committee.