Demonstrator, Geology Department, Pang long University (7.9.2009-30.11.2011)
Demonstrator, Geology Department, Taunggyi University (7.12.2011 – 12.8.2016)
Assistant lecturer, Geology Department, Taunggyi University (12.8.2016 – 2.12.2019)
Lecturer, Geology Department, Taunggyi University (2.12.2019 – Now)
Writing Papers
Geology of Myegya-hethin Area, Kalaw Township, Southern Shan State (Thesis for M.Sc degree)
Kyi Pyar Aung, Lae Lae Win, Ei Shwe Sin, Kyi Kyi San, 2019. Lithostratigrapy of the lower Paleozoic Units exposed in the Panglong Area, Sothern Shan State. Taunggyi University Research Journal 2019, Vol.10, No.2, p 267-279.
Nang Sandi Lwin, Nang Kham Sein, Ei Shwe Sin 2019. Environmental Impacts of Mining And Mineral-processing Activities in Loiharmyar Area, Hopong Township, Taunggyi University Research Journal 2019, Vol.10, No.2, p 281-288.
Nang Sandi Lwin, Lae Lae Win, Ei Shwe Sin, 2019. Antimony Mineralization of Loiharmyar Area, Hopong Township, Sourthern Shan State Taunggyi University Research Journal, Vol.11, No. 2, December)