Professor Haddad's academic career has been spent at the Australian National University, the University of New South Wales, and since 1992 at the University of Tasmania. At UTAS he has held the positions of Head of School of Chemistry (1992) and Dean of the Faculty of Science and Engineering (1993-2001). He was an Australian Research Council Professorial Fellow from 2004-2006, and an Australian Research Council Federation Fellow from 2006-2011. He was awarded the title of Distinguished Professor in 2011. Professor Haddad served as the foundation Director of the Australian Centre for Research on Separation Science from 2001-2013 and as Director of the Pfizer Analytical Research Centre from 2006-2013. He is currently an Emeritus Distinguished Professor.