[2] According to United Russia's homepage, Velichko started his career in the Ukrainian Soviet Socialist Republic.

[1] In 1963, Velichko joined the Communist Party of the Soviet Union (CPSU), and began work at a factory in Leningrad belonging to the Ministry of General Machine Building.

As chairman of Velichko Tyazhenergomash he has overseen the reconstruction of several Soviet era plants as well as construction of new gas power stations with a generating capacity of more than 100 Megawatt.

Velichko was also active in the construction of the Novo-Voronezh, Ignalina and Balakovo nuclear power plants along with several others in the Commonwealth of Independent States (CIS).

[6] Velichko has been a member of the Council on Industrial Policy of the Russian Government since 1993, and became Chairman of the Council for Industrial Policy and Entrepreneurship of the Russian Government in 1994, an office he has held ever since.