A Nalco Chemical job typically refers to a position at Nalco Water, an Ecolab company specializing in water treatment, process chemicals, and industrial solutions. Employees in these roles may work in sales, engineering, technical support, or operations to help clients manage water and chemical usage efficiently. Responsibilities often include conducting on-site evaluations, recommending treatment programs, and ensuring compliance with environmental and safety standards. These jobs are common in industries such as manufacturing, energy, food and beverage, and healthcare.