Abdelkhalek Daoui has been serving as a Technicien d'exploitation and Opérateur production at Waterleau since December 2019, focusing on wastewater treatment. Prior to this role, Abdelkhalek worked at the STEP OCP Water Treatment Plant from September to November 2019, where responsibilities included conducting physicochemical and microbiological analyses to assess water quality. Earlier experience includes a position as Assistant chef de magasin d'optique at OPTIQUE DE LA GARE from February to September 2018, involving sales and assembly tasks. Abdelkhalek holds a Licence fondamentale in Biologie de l'environnement from Université Ibn Zohr, completed in 2019.