Sang Ayu Isnu Maharani is one of teaching staffs of English Department, Faculty of Humanities, Udayana University, a certified assessor of Public Relation and also an EMI (English for Medium Instruction) Instructor. She teaches, conduct research and involve in various community services. She teaches skills, literature and linguistics. Her research interests are in Sociolinguistic, Anthropological linguistic and Translation Study. In speaking skills, she has been a public speaking coach for private, senior high school and university students. She is the founder and established the Master of Ceremony (MC) Community of Faculty of Humanities since 2018. In writing, she has been a proof reader and has assisted many journal writings. She also interested in literature and some of her works' concern with native and foreign literature. In linguistics and applied linguistics, she teaches sociolinguistic, debating for recent issues, interpreting and translation study. Besides teaching, she is also a practitioner of applied linguistics, as a  translator and interpreter. One of her translated books entitled "The Branding of Gianyar as the Heritage City". 

She was assigned to support International Office of Udayana University in 2011 and she had given the opportunity to handle international students as the Head Coordinator of International Students of Udayana University. She also entitled as Secretary of SMART Project in collaboration with ERASMUS MUNDUS programs in 2018. She appointed as the Head of Language Center of Udayana University in the following year. Prior to her appointment as the Head of Language Center, she was accepted as Talent Scouting Participants in Talent Scouting Program held by Ministry of Education and Culture. She also won a selection of Bridging Program, representing Udayana University, to join with other 19 participants from various Universities in Indonesia in 2019.