Firdaus is the Chief Human Rights Strategist at the Malaysian Centre for Constitutionalism and Human Rights (MCCHR). She was previously a practising lawyer and a member of the Bar Council. Firdaus has worked in various committees under the Bar Council, among others, as chair of the Constitutional Law Committee, co-chair of the Human Rights Committee and deputy chair of the Task Force on IPCMC and Police Accountability. Firdaus contributed a chapter, Constitutionality of Islamic Bureaucracy in Malaysia in a book titled Breaking the Silence: Voices of Moderation: Islam in a Constitutional Democracy by G25 Malaysia. In 2016, Firdaus was awarded the Women of the Future award by the UK based Women of the Future organisation due to her work in citizens’ education and empowerment on the Malaysian Constitution and human rights. Firdaus is a recipient of the Chevening Award 2017/2018 by the UK government and has recently completed her postgraduate studies in law with a focus on human rights at SOAS University of London in United Kingdom