The issues of techniques and technology are frequently discussed in economic literature. A variety of professional terminology, language phrases and sometimes neologisms functioning in practice and professional literature of the subject indicate the importance of techniques and technology for the banking activities. One of the aspects of techniques and technology are information technology (IT) systems supporting human resource (HR) management and operation information technology systems. The purpose of this article is to present, analyze and evaluate the impact of information technology systems on the level and structure of employment in the Polish banks. The author’s intention is to support the thesis that application of information technology systems in the Polish banking systems has caused a significant change in the level and structure of employment. In the analysis, the usage of the IT systems supporting human resource management has been depicted in order to finally be able to evaluate the impact of the IT systems on the level and structure of employment in banks.