Nalco Water, an Ecolab Company, is seeking a talented engineer with expertise in electrical engineering, sensor design and testing to join the Global High Tech R&D team located in Naperville, IL as a Principal Electrical Engineer - Sensors. The GHT team supports Ecolab's Data Centers, Microelectronics, and Colloidal Technologies segments. This role will support hardware design and development innovation projects for our Data Center portfolio, communicate regularly with the field/customers/busine