The complexity of engineered systems arises along the dimensions of the (1) product and∕or the process axis and (2) the organization required to create, maintain, retrofit, and dispose of the engineered system. Product complexity is commonly understood as arising from scale, variety of components, technology, distributed design and production, maintenance, and∕or disposal. Process complexity is the complexity of coordination, communication, and information and knowledge management across disciplines, functions, time, space, and cultures. This complex global environment is inherent to a modern day engineering organization, large or small. The management of complexity requires the use of simulation, modeling, information management, management of language, and creation of adaptive processes. Without an understanding of the role of the tools of informatics, one cannot deploy a complex engineered system for a given purpose.