JOB SUMMARY: This position is located in the United States Department of Agriculture, Agriculture Research Service, Ruminant Diseases & Immunology Research Unit in Ames, IA. In this position, you will actively participate in one or more phases of the research process by performing a variety of technical duties in a laboratory, Dairy farm or greenhouse environment. This is a term, time-limited appointment with an initial duration no less than 13 months and can be extended up to a total of 4 years. MAJOR DUTIES: Maintains, calibrates and modifies equipment and automated systems used for test and evaluation procedures. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.