Dato' Setia Haris started his career in 1993 as an Administrative Officer before being appointed as Assistant Director in 1996 at the Ministry of Entrepreneurial Department. He was then appointed as the Assistant Secretary in the Selangor State Secretary's Privatisation Unit in 1998. 

In 2001, he was appointed as Assistant District Officer of the Petaling District & Land Office. Thereafter, in 2005, he assumed the 'Yang Dipertua' of Kuala Selangor District Council position. Then, from 2011 to 2015, Dato' Setia Haris was appointed as the District Officer of the District Councils of Hulu Langat and Sepang. From 2015 until 2019, Dato' Setia Haris was the Director of the Selangor Islamic Religious Department before being appointed as Mayor of Shah Alam City Council for two (2) years, from 2020 to 2021. Presently, Dato' Setia Haris is the Selangor State Secretary, and before that, he was the Selangor State Financial Officer.

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