After the beginning of the German-Soviet period of the WW II, Burba was ordered to join the defense-connected enterprise in the town of Mednogorsk, Chkalov (now Orenburg) Oblast.
In 1941–1954 he worked at the Mednogorsk Copper-Sulfur Plant (MCSP) as Senior Engineer of Research Department, Head of Chemical Workshop, Head of Industrial Engineering Department.
Simultaneously, in 1942–1945 he was a teacher at the Industrial School and a supervisor of the industrial training of the students of the Ural Polytechnic Institute.
In 1954–1971 he was Director of the Mednogorsk Copper-Sulfur Plant.

In 1968 he obtained an academic degree of Candidate of Technical Sciences (the Russian equivalent of Ph.D.) from the Baykov Institute of Metallurgy of the USSR Academy of Sciences.
His dissertation was on the industrial technology of germanium smelting.
At that time the production of germanium was classified as a secret one.
The same classification has been applied to Burba's dissertation.
Due to it his work was never published in full.
The scientific consultant of his thesis was David Chizhikov, a corresponding member of the USSR Academy of Sciences.
After the beginning of the German-Soviet period of the WW II, Burba was ordered to join the defense-connected enterprise in the town of Mednogorsk, Chkalov (now Orenburg) Oblast. In 1941–1954 he worked at the Mednogorsk Copper-Sulfur Plant (MCSP) as Senior Engineer of Research Department, Head of Chemical Workshop, Head of Industrial Engineering Department. Simultaneously, in 1942–1945 he was a teacher at the Industrial School and a supervisor of the industrial training of the students of the Ural Polytechnic Institute. In 1954–1971 he was Director of the Mednogorsk Copper-Sulfur Plant.
In 1968 he obtained an academic degree of Candidate of Technical Sciences (the Russian equivalent of Ph.D.) from the Baykov Institute of Metallurgy of the USSR Academy of Sciences. His dissertation was on the industrial technology of germanium smelting. At that time the production of germanium was classified as a secret one. The same classification has been applied to Burba's dissertation. Due to it his work was never published in full. The scientific consultant of his thesis was David Chizhikov, a corresponding member of the USSR Academy of Sciences.
Aleksander Burba