This work is devoted to the consideration of one of the areas of systemic changes - rationalization and adaptation of the management structure in the organization to modern market requirements, as well as it pays attention to the study of investment support of these systemic changes. It is shown how due to the technology of management of system changes on the basis of reengineering the structure of the organization is adjusted to the requirements of the market and the economic efficiency of economic activity in the modern economy. For students of economic specialties, graduate students, researchers, students of the business education system . ;Grif:Recommended for publication by the decision of the Academic Council of the State Academy of Professional Retraining and Advanced Training of Senior Officials and Specialists in the Investment Sector (GASIS)