His diligence in studying the Malay literature as one of the indigenous languages of Sumatra (and also the native culture of Sumatra in general) attracted another countries interest, such as the federation of Malaysia who had no capable linguists or even scholars at that time (as Malaysia was developed as newly created country), he was offered to work at the "Dewan Pustaka dan Bahasa" () of Malaysia. During his tenure, Teuku Iskandar asked by the Malaysia's linguistic council to copied the "Bahasa Indonesia dan Pembakuannya" () and "Kamus Besar Bahasa Indonesia" () who were developed by Raja Ali Haji (an Indonesian Bugis scholar) since 19th century and Anton Moeliono in 1969 to re-branded and claimed it as the "Kamus Dewan" () that published in 1970 and designated as the main linguistic reference for the Malay language in the region (which later also known as Malaysian Malay). At the same time, he was also asked by the Sultan of Brunei Darussalam to become a lecture at the University of Brunei Darussalam and he received a professorship from the university. His works are still used as the main linguistic source for the Standard Malay until nowadays in all respective Malay-speaking countries (which may include Singapore).