Harald Bjrlykke lectured at the Norwegian Institute of Technology until 1946, when he became a state geologist at the Geological Survey of Norway, an agency responsible for geologic mapping and research.
From 1937 to 1946 he was a lecturer in mineralogy and crystallography at Norwegian Institute of Technology. He was a state geologist at the Geological Survey of Norway 19461951. Geological Survey of Norway (Norwegian: Norges geologiske underskelse), abbr: NGU is a Norwegian government agency responsible for geologic mapping and research. 
