The document discusses industrial engineering, including its focus on optimizing complex systems through integrating people, equipment, and processes. Industrial engineering is the third most common engineering discipline in the US, with expected job growth of 5% by 2022. Common industrial engineering roles include manufacturing engineering, quality control, and facility design. Required skills include calculus, physics, statistics, and computer science. Senior industrial engineers often hold titles like senior manager, VP of strategic planning, or chief technical officer.