 Parke began her employment as an international lawyer with UNMIK, the United Nations peacekeeping mission in Kosovo from 1999 to 2002 and subsequently worked in Gaza with the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA) from 2002 to 2004.In 2004 Parke became a legal adviser in the Office of the Under-Secretary-General for Management in the UN headquarters, New York.In this role, Parke was responsible for aspects of management reform and for the provision of advice and oversight in respect of the UN system of justice administration.