Walad continued his higher education at Kweekschool (Teacher training school) Muhammadiyah Yogyakarta and graduated in 1941.

One year later, he received semi-military education at a teacher training school run by the Japanese occupation government.

[1] After the proclamation of independence, Walad joined a pro-Indonesia militia group, Lasykar Rakyat, in Ingin Jaya and served as a company commander.

In 1961, he was appointed as a member of Delegation 28, which was tasked to negotiate with Daud Beureuh to end the Darul Islam insurrection in Aceh.

H.M Amin, Chairman of the Provisional's Association of Indonesian Export Entrepreneurs (GPEIS), Chairman of Consultative Body of National Private Businessmen (BAMUNAS) Aceh, Director of Trade Section of BAPIPDA, and Authorities of the Board of Directors of the Aceh Roadway Authority Agency.

[6] After completing his term as Governor of Aceh, Abdullah Muzakir became Advisor to Mobil Oil Indonesia and Consultant for PT Arun LNG.