AC Murugiah Muthusamy joined the Fire and Rescue Department in 1989 as a cadet officer. He has held various operational and administrative positions and is currently the Deputy Director of Kuala Lumpur, Fire and Rescue Department.
He has a vast operational experience in managing disasters in Malaysia such as Bright Sparklers explosion 1991, Highland Towers 1992, epidemic Japanese Encephalitis, Nipah Virus and Anthrax 1999, the collapse of the bungalow owned by the chairman of Affin Bank, General (Rtd) Tan Sri Ismail Omar in 2002, landslide in Bukit Antarabangsa in 2008, Tanjung Langsat Port fire in 2008, a ship fire in 2009, chlorine release at Kampung Tambak Paya, Air Molek, Melaka on 28 September 2017, VX agent at KLIA, and Sungai Kim-Kim, Chemical Disaster at Pasir Gudang, Johor from 7th March to 20th March 2019.
Currently he is also a national inspector for chemical weapon under National Authority for Chemical Weapons Convention (NACWC) and a certified trainer for Organisation for the prohibition of Chemical Weapons (OPCW) UN, Southeast Asia Regional Centre For Counter Terrorism (SEARCCT) under the Ministry of Foreign Affairs, Malaysia and Science, Technology Research Institute for Defence (STRIDE) under Ministry of Defence Malaysia. He has also been selected to develop Malaysian Standards on hazardous material for Department of Standards Malaysia (DSM) since 2012.