What is Systems Engineering Systems engineering is an interdisciplinaryapproach and means to enable the realization of successful systems.It focuses on defining customer needs and required functionality early in the development cycle,documenting requirements,and then proceeding with design synthesis and system validation while considering the complete problem: operations,cost and schedule,performance,training and support,test,manufacturing,and disposal.SE considers both the business and the technical needs of all customers with the goal of providing a quality product that meets the user needs. INCOSE SE Handbook V3.2.1 System Engineering by J.J.Gao CLGO 3+ What is Systems Engineering - What is Systems Engineering System Engineering by J. J. Gao 3