[1] From 1968 to 1980, Jull worked in the Canadian Privy Council Office's Federal-Provincial Relations Office as assistant secretary to the Prime Minister's cabinet committee on constitutional and other national issues, and as adviser on the Constitution vis-à-vis northern territories and indigenous peoples.
[1] Since 1980, Jull has been an adviser to many official and non-governmental entities, writing many reports, articles, and papers.
[1] Since 1987, in Australia, he has worked as a consultant to indigenous official bodies and NGOs, and federal and state government entities.
He has continued to act as a consultant to governments and indigenous NGOs in Canada and the northern hemisphere.
Prior to that, he was Adjunct Associate Professor and course lecturer in the School of Political Science and International Studies, University of Queensland, and earlier Senior Research Fellow at the Australian National University's North Australia Research Unit in Darwin.