• Professor, Department of Applied Mathematics, Faculty of Mathematics, K.N. Toosi University of Technology, 2016-present

• Associate Professor, Department of Applied Mathematics, Faculty of Mathematics, K.N. Toosi University of Technology, 2011-2016

• Chair of the "Scientific Computations in OPtimization and Systems Engineering (SCOPE)" rsearch center, Mathematics Department, Faculty of Science, K.N. Toosi University of Technology, 2011-present

• Deputy of Education, Faculty of Mathematics, K.N. Toosi University of Technology, 2013-2016

• Deputy of Education, Faculty of Science, K.N. Toosi University of Technology, 2012-2013

• Director of graduate studies, Faculty of Science, K.N. Toosi University of Technology, 2010-2012.

• Assistant Professor, Mathematics Department, Faculty of Science, K.N. Toosi University of Technology, 2006-2011.

• Ranking number two among 10000 students taking part in M.Sc. entrance examination, 1997.

• Ranking number one among all students, Department of Mathematics, Razi University, Kermanshah, Iran, 1997

• Ranking number one in PhD program, Department of Mathematics, Sharif University of Technology, Tehran, Iran, 2005

• Member of American Mathematical Society, 2016-present

• Member of Iranian Mathematical Association

• Member of Iranian Operations Research Society

• Member of Advanced Optimization Laboratory, McMaster University, Hamilton, Ontario, Canada, 2003-present

• Member of European Atelier for Engineering and Computational Sciences (EUA4X), 2006

• Inspector of Peyman Paya Elevator and Escalator Company, 2005- present

• Supervisor of the project entitled ”Text to Communication (TTC) System” which was ranked number 3 among all projects in the computer science filed of ”8th Khwarizmi Youth Award”, December 2006