摘要：The paper deals with professional linguistic identity, the study of which is the priority area of cognitive terminology studies. The purpose of the paper is to analyze the development stages of professional linguistic identity of a mining engineer dealing with tailing dams and embankments and failures and accidents on them. The analysis of a mining engineer professional linguistic identity formation was carried out according to the three level system: 1) the level of specialist professional consciousness; 2) the verbal level; 3) the motivation and pragmatic level. As the result of this investigation the term system structure was developed, which showed the formation of professional linguistic identity. The final stage of professional linguistic identity formation is the script construction. The analyzed stages highlight that development and activity of professional linguistic identity reflect connections of a person with his/hers professional activity, and peculiarities of the person mentality prescribe priority ways of conceptualization and categorization of the world. The result is professional discourse which demonstrates professional qualities of professional linguistic identity.
