- 2006-Present - Department of Mathematical Sciences, The University of Texas at El Paso, USA.
 
- 2021-Present - Associate Professor of Instruction 
- 2006-2021 - Lecturer
	
 http://www.math.utep.edu
 
   
 
 
- 1995-2010 - Institute of Theoretical Mechanics, Department of Civil Engineering, Silesian University of Technology in Gliwice, Poland.
	
- 2001-2010 - Assistant Professor (2006-2010 - sabbatical leave)
- 1995-2001 - Lecturer and Ph.D. Student
	
 https://www.polsl.pl/Wydzialy/RB/RB5/Strony/About.aspx
 
 