Cimonette has been engaged in development work for more than 20 years. She has experience in research and project management related to environmental conservation and climate change. In 2015, she joined the fund management team of the Clean Energy Financing Partnership Facility (CEFPF), an ADB-managed trust fund facility that aims to improve energy security and promote the use of clean energy in Asia and the Pacific. Currently, she is a consultant for the ADB Energy Sector Office, contributing to the management of the CEFPF, project implementation, and knowledge management.