Industrial engineering deals with optimizing complex processes and systems through integrating people, equipment, materials and other resources. It is the third largest engineering discipline in the US, with expected job growth of 5% by 2022. Industrial engineers work in a variety of fields like manufacturing, quality control, and facility design. They need strong skills in math, science, computing and business. Senior industrial engineers often work as managers, consultants or executives. Emerging technologies like six sigma and project management software are driving the career advancement of industrial engineers.