2023-present:  Professor in School of Instrument Science and Technology of Xi'an Jiaotong University

2010-2023:  Professor in School of Electrical Engineering of Xi'an Jiaotong University

2010-present:  Regular Researcher in National Key Laboratory of Electrical Equipment and Electrical Insulation of Xi’an Jiaotong University
2004-2010:      Associate Professor in School of Electrical Engineering of Xi'an Jiaotong University
1996-2004:      Lecturer in School of Electrical Engineering of Xi'an Jiaotong University
1993-1996:      Assistant Lecturer in School of Electrical Engineering of Xi'an Jiaotong University