Abstract As an extrarole behavior that is beneficial to the organization, knowledge worker employability voice is of great significance to technologybased SMEs in China under the new normal to acquire the innovation and competitive advantages. Academic circles discussed the model of dimension construct for the voice from all perspectives, but researches from the perspective of individual intrinsic motivation in employability development are particularly scarce. This paper adopts the exploratory field study by the qualitative research method, and concluded the model of dimension construct for knowledge worker employability voice in technologybased SMEs through the content analysis of data from the field study. The results show that knowledge worker employability voice is of four dimensions, which are the career developing voice, the knowledge and skill developing voice, the profit developing voice, and the affiliative and supporting voice. The initial scale is compiled, and the final scale is modified and concluded through the reliability and validity analysis of data from the questionnaire survey.