In this paper, we examine the changing nature of systems engineering work and, in particular, how The MITRE Corporation is confronting the challenges of expanding its role and capabilities to deliver what it calls “Enterprise Systems Engineering” to its government clients. Systems engineers exemplify technical knowledge workers whose work is expanding beyond the traditional skills and habits of thought developed through their disciplinary training (cf., Davidz 2006). Changes in technology, systems acquisition practices, and enterprise structures are challenging systems engineers to expand their roles and capabilities to manage the boundaries among technological systems and organizations of many sizes and types (e.g., government customers, systems integrators, suppliers, end users). Systems development takes place in an ever more complex environment of inter-organizational enterprises where implementation increasingly catalyzes enterprise change and demands greatly expanded and often unrecognized roles beyond that of technical expert or project manager
