Have you learned about flowcharts and process flow diagrams in school? System Engineering is something similar to that knowledge but in a much more advanced way. System Engineering deals with designing or products as well as management of products over the lifespan. The System engineering brings the worlds of engineering and management together. A person in the field of system engineering is a level up than an engineering or a management graduate and can be considered to be a package that knows about the production as well as the management of a product.