Teaching Assistance in Organic Chemistry (I), Urmia University, Urmia, Iran, https://en.wikipedia.org/wiki/Urmia_University, 09/01/09, 06/30/10, Teaching Assistance in Analytical Chemistry (II), Islamic Azad University of Ardabil, Ardabil, Iran, https://en.wikipedia.org/wiki/Islamic_Azad_University, 09/01/14, 06/30/16, Teacher of Chemistry, Jazebe Educational Institution, https://jazebeedu.ir/, 09/01/15, 06/30/18, Teacher of Robotics, Educational Institutions, http://mobtakeran.academy/, 09/01/16, 06/30/19, Teacher of IQMAS (Innovators Quick Mental Arithmetic System), Educational Institution in Meshginshahr, Meshginshahr, Iran, http://mobtakeran.academy/, 09/01/16, 06/30/19, Teaching Assistance in General Chemistry (II), Islamic Azad University of Meshginshahr, Meshginshahr, Iran, https://iau.ir/fa/center/263/, 09/01/17, 06/30/18, Quality Controller, Wastewater Treatment Plant, http://www.environments.ir/news/348679/, 2018, Working at Food Laboratory, Food Laboratory, https://dunro.com/page/57417b8c4132b, 09/01/19, 06/30/20, Quality Controller, Paper Making Factory, https://rasm.io/company/14008649420/Direct/, 12/01/20, 01/31/22