Respectively, he served in the positions:[2][3][4][5] In parallel with these technical and administrative jobs, he also taught geology at the Faculty of Science in University of Tehran.

His last job was as the head of the Geological Survey and Mineral Exploration of Iran (GSI), from which he retired in October 1974 at the age of 64.

Responsibility for Middle East projects has been delegated to the Geological Survey and Mineral Exploration of Iran (GSI) by the Commission.

An orthorhombic-dipyramidal mineral containing aluminum, fluorine, hydrogen, oxygen, and sulfur with chemical formula Al(SO4)F•5(H2O) was named Khademite in memorial of Nasrollah Khadem.

The mineral was discovered by Barian, Bertelon and Sadrzadeh in Saghand, Rabatat Rural District, Kharanaq District, Ardakan County, Yazd Province, Iran in 1962, and was named in honor of Nasrollah Khadem, then head of the Geological Survey and Mineral Exploration of Iran (GSI).