text: In November 1990, Çeçen joined the faculty at the Boğaziçi University Institute of Environmental Sciences as an instructor. She was promoted to assistant professor in March 1993, associate professor in October 1993, and full professor in June 1999.
  Çeçen researches water and wastewater treatment, environmental biotechnology, adsorption processes, and the impacts of hazardous substances on biological treatment.