Harussani began his career as
Kadi at the Religious Department of Penang from 1967 until 1973, before being promoted to Head Kadi from 1973 to 1985. He became the Mufti of Perak from 1985 until his death in 2021. He had also held several positions at both state and federal level including the chairman of the Censorship of Islamic Publications committee, Al Quran Text Board deputy chairman and member of the National Fatwa Council. ==Personal life==