li>Ability to perform professional-level work requiring the application of principles and practices in a wide range of administrative, technical or managerial methods in the solution of administrative or technical problems; or the coordination of entry-level managerial work; requires general understanding of operating policies and procedures and the ability to apply these to complex administrative problems; requires continuous, close attention for accurate results or frequent exposure to unusual pressures; and. Work environment may involve exposure to fire hazards, extreme heat and/or cold, wet or humid conditions, extreme noise levels, vibration, fumes and/or noxious odors, airborne particles, traffic, moving machinery, electrical shock, heights, disease/pathogens, toxic/caustic chemicals, explosives; and involves time spent in physically threatening environments that require life and death decisions for one's self and others.