After graduation, in 2004, Burtea became a research assistant at the Department of Islamic Studies at the
University of Erfurt, where he worked on the research project "The Influence of Globalization and Regionalization Processes in the History of the Eastern Church on the Emergence, Spread and Early Development of Islam in the 6th and 7th Centuries". From 2011 to 2016, he was a research assistant at the Department of Religious Studies of the
University of Zurich, where he worked on a research project relating to
Ethiopian Orthodox Christianity that was funded by the
Swiss National Science Foundation. From 2004 to 2011, he was a research assistant at the Seminar for Semitic and Arabic Studies at the
Free University of Berlin, where he worked on several Mandaic textual translation projects funded by the
Fritz Thyssen Foundation and the
German Research Foundation (DFG). In 2017, he was a visiting scholar in the BabMed (Babylonian Medicine) research project at the Free University of Berlin. Since 2018, he has been a research associate at the Faculty of Theology of the
Humboldt University of Berlin, supported by funding from the
German Research Foundation. ==Translations of Mandaic texts==