JOB SUMMARY: This position is located in United States Department of Agriculture, Agricultural Research Service, Soil Drainage Research Unit in Columbus, Ohio. In this position, you will actively participate in one or more phases of a research process related to hydrology by performing a variety of technical duties in a field or laboratory environment. MAJOR DUTIES: Select and modify test equipment or procedures to meet special requirements of a hydrologic research project. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.