Hermawan Dewanto currently serves as a Fire Rescue Officer at the Singapore Civil Defence Force since August 2017, having progressed through ranks to Sergeant(2) as of June 2022 and previously as Sergeant(1) from May 2019 to May 2022. Notable achievements include receiving the National Service Excellence Award in 2022 for outstanding performance during national service. Hermawan has also held roles as an Educator at lululemon, Healthcare Assistant at Raffles Medical Group, and Temporary Estate Inspection Officer at the Housing & Development Board, among others. Educational background includes pursuing a Bachelor's degree in Public Safety & Security with a Minor in Crisis Management from Singapore University of Social Sciences and a Diploma in Digital Visual Effects from Nanyang Polytechnic.