In 1926, Abdullah Al-Mubarak commenced his duty in the field of public service at an early age, when he was assigned to ensure security of one of the gates of the wall of Kuwait.

In 1945, he headed a special court to settle disputes, quarrels and thefts, and the task of achieving security in Kuwait.

He was also awarded the Order of the Indian Empire from the British government as a companion CIE, in appreciation of his efforts during the Second World War.

By 1948, Abdullah Al-Mubarak assumed responsibility for starting the Kuwaiti Defense Forces, and established an administration that handles passport and nationality affairs upon the request of the Emir of Kuwait, Ahmed Al-Jaber.

in 1951, Abdullah Al-Mubarak headed Kuwait Radio with the launch of its broadcast for the first time from the police and public security building, where he continued until 1960 as its president.