Schmidt was assisting in Air Protection Investigation in 1936 and was a member of Atomic Committee (Atomkommittén) from 1945 to 1959 and board member of the Swedish National Defence Research Institute from 1945 to 1959 as well as the Review Board for Certain Patents from 1946 to 1959.
He became a member of the Royal Swedish Academy of War Sciences in 1944[REF] He served as a teacher and in insurance companies from 1960 to 1969 [REF].