1. Professor (Aug. 2020 -), National Taipei University of Technology, Taiwan.
2. Associate Professor (Feb. 2012 - Jul. 2020), National Taipei University of Technology, Taiwan.
3. Assistant Professor (Feb. 2009 - Jan. 2012), National Taipei University of Technology, Taiwan.
4. Short-term visiting scholar (Jun.-Jul. 2008) (under a bilateral collaboration), Mid-America Earthquake Center, University of Illinois at Urbana Champaign, USA.
5. Associate Research Fellow (Oct. 2004 - Jan. 2009), National Center for Research on Earthquake Engineering, Taiwan.
6. Associate Research Fellow w/ defense industry service duty (Oct. 2000 - Oct. 2004), National Center for Research on Earthquake Engineering, Taiwan.