On 6 April 1957, Abidin began his first employment with the government as an official in the Information Department. He joined Brunei Administration Services as a cadet officer two years later. Abidin served as the acting district officer of
Temburong from 8 November 1961 to 4 April 1962. He later resumed the role for an unspecified period until 10 September 1962, when he left to attend a Public Administration Special Course Certificate from
Carleton University in
Ottawa, Canada. As a representative of Brunei, he, alongside
Pengiran Abdul Momin, attended a
United Nations seminar on human rights for developing countries held in
Kabul, Afghanistan, from 12 to 18 May 1964. During this period, from 1966 to 1967, he pursued further studies, completing the same course at
Manchester University in
England. In 1968, he served as the financial secretary of the
Coronation Administrative Committee. == Death and funeral ==