A chemical engineer is involved in the design, development, construction and operation of industrial processes for the production of a diverse range of products, as well as in commodity and specialty chemicals.Relevant industries include oil and gas, pharmaceuticals, energy, water treatment, food and drink, plastics and toiletries.Modern chemical engineering is also concerned with pioneering valuable new materials and techniques, such as nanotechnology, fuel cells and biomedical engineering.The role may focus on one or more of the following: researching new products from trial through to commercialisation; managing scale-up processes from plant to full industrial-scale manufacturing; improving product lines; modifying the processing plant that produces the products; and designing and commissioning new plants.