This field pertains to the efficient use of machinery, labour, and raw materials in industrial production.

The world of the industrial engineer covers many a wide diversity of duties, thus they may function under different job titles, such as: manufacturing engineer; manufacturing research engineer; operations or systems analyst; process engineer; facilities engineer, and quality engineer.

The role of the industrial engineer is a mentally demanding one in that he is indirectly responsible for decisions managers may make with regard the starting or altering of a product and the machine process.