Of the five (5) years, two (2) years must be of knowledge and/or experience installing, maintaining, and repairing irrigation systems used in various commercial and industrial settings, ensuring efficient water distribution to plants, turf, and landscapes, and promoting healthy growth and optimal resource utilization, or an equivalent combination of education and/or work experience. Installation of design projects in the field, direction and oversight of other grounds employees, use of commercial power equipment (i.e. for trenchers), technical equipment (transits, underground locators), and hands-on skills to accomplish work.