1999–2015 General Administration Officer, Dean’s Office, Institute of Engineering, Suranree University of Technology, Nakhon Ratchasima, Thailand
2022–2023 Appointing Accounting Procedure Auditor, Saving Cooperative, Suranree University of Technology, Nakhon Ratchasima, Thailand
1999–2015 General Administration Officer, School of Geotechnology, Institute of Engineering, Suranree University of Technology, Nakhon Ratchasima, Thailand
1993–1999 Administrative Staff, Dean’s Office, Institute of Resource Technology, Suranree University of Technology, Nakhon Ratchasima, Thailand