Professional responsibilities of systems analyst require a good knowledge of methods and tools for identification of characteristics and operation principles of various types of systems. This course is focused on the specific method of systems theory – systems engineering, touching also main issues of systems theory and systems analysis. In the course the following topics are considered: systems notion, key concepts of systems thinking, systems engineering process and principles, systems models, modeling methods, techniques and languages, systems development life cycle, structured techniques, process of systems analysis and design and its support by SSADM methodology.