In the face of the changes the experiences in Cuban higher education is a necessity to elevate the quality of the formative process, as indispensable factor to form a highly professional competitive. It constitutes the formation of communicative competence of the students that is the essential link to guarantee the social responsibility of the educational institutions. This work arises in the face of the necessity of solving the inadequacies that the students of Mechanical Engineering degree course of Higher Mining Metallurgical Institute evidence in its professional acting related with professional communicative competence which limits the performance of the objectives of the professional model. As a process of being resolved this problem intend those dimensions and indicators that are considered necessary for the treatment to the educational communication by means of formation process of the Mechanical Engineer in the labor context. The results are sustained in the dialectical - materialistic relationship of the activity from the subject - object relationship, the historical - cultural theory, and the theoretical conceptions that continue the professional formation process of engineers in Cuban higher education. The experience in the work with these dimensions and indicators has allowed checking its feasibility in the improvement of the professional performance of the students of Mechanical Engineering related with the formation of the trained communicative competence.