He worked as an engineer at the Novokramatorsk Machining Plant and rose to become the head of the technical department, the head of the mechanical shop and then the deputy chief engineer.
Ia bekerja sebagai insinyur di Novokramatorsk Machining Plant dan di sana kemudian ia menjadi kepala departemen teknik, kepala toko mekanik dan kemudian wakil kepala insinyur.