Ecole des Ponts ParisTech opens an academic position on Complex Systems in Environmental Engineering and Technologies to contribute to the development of a training and research platform on complex systems (Sys.Com@ENPC), whose first stage corresponds to a project funded by UNIT (Digital University in Engineering and Technology, http://www.unit.eu/fr) with AgroParisTech, INRIA1, ISC-PIF2, Telecom ParisTech, U. P. & M. Curie as partners.