Sumjidmaa has extensive experience in the field of rangeland management, having worked as a researcher at the Mongolian Society for Rangeland Management between 2011-2013, and for the Information and Research Institute of Meteorology, Hydrology and Environment (IRIMHE) and the Greengold project between 2013-2016. Sumjidmaa holds a MSc. from the National University of Mongolia and is currently a PhD student at the Agricultural University of Iceland.