Qatar University: Associate Professor (Since Sept 2018).

Qatar University: Head of Department of Biological and Environmental Sciences (January 2018 – September 2019).

Qatar University: Assistant Professor (Sept 2013 – Sept 2018). Courses: “Marine Environment and Human Development”, “Marine Sciences”, “Fisheries and Aquaculture” and “Introduction to Marine Science”, “ Ecohydrology”, “Marine Ecology”, “Ecology”, etc.

Deputy Director of the International Centre for Coastal Ecohydrology – ICCE (Centre under the auspices of the UNESCO); (March 2009 – August 2013).

University of Algarve: Assistant Professor (October 2008 – August 2013)
Courses: Marine ecology; Coastal productivity, Numerical ecology; Coastal Restoration Techniques; etc.

University of Algarve; Centre of Marine Sciences of Algarve– CIMAR/CCMAR. ECOREACH Research group; Associate Research Professor (February 2006 – August 2013).

University of Algarve; Centre of Marine Sciences of Algarve– CIMAR/CCMAR; Post-doctoral Fellow (May 2005 – January 2006). Estuarine and Coastal Ecology.

Centre of Marine Sciences of Algarve– CIMAR/CCMAR; UNESCO / ContractualResearcher (December 2004 – February 2005). Decision Support System – Estuarine Ecohydrology.

National Institute of Sciences and Technologies of the Sea (INSTM); Assistant Professor (September 2003 – October 2004). Numerical ecology unit and National Marine Observatory coordinator.

Statistics and Information Analysis Engineering School; Invited Assistant Professor  (February 2004 – June 2004). Data mining Lecture.

National Agronomy Institute of Tunisia; Invited Assistant Professor (December 2003 – February 2004). Marine Ecological Modelling Lecture.

European-American Graduate School of Management and Technology. Nice Sophia-Antipolis. France; Contractual Lecturer (September 2002 – May 2003). Marine Biology and Biological Oceanography Lectures.