After earning her National Diploma in energetic Engineering from the National Engineering School of Monastir, Nihel Chekir started her scientific research and obtained the DEA (Advanced studies Diploma) from the same institution. After that, she spent many years in high studies of absorption chillers culminated by the Diploma of Doctor in Energetic Engineering from the National Engineering School of Monastir. She began her professional carrier as a contractual assistant professor in many institutions. She has been, also, a technologist assistant in the hig h institute of technological studies for some years. Since 2012, she has been an associate professor in the National Engineering School of Gabes and Member of the Applied Thermodynamic Laboratory. She was the coordinator of the Mechanical Engineering Research Master Degree in the National Engineering School of Gabes and member of its scientific council for several years. Since 2023, she has been a project manager representing the University of Gabes in the Horizon Europe project LoCEL-H2 .