The United States Department of Agriculture, Agricultural Research Service's North Central Agricultural Research Laboratory in Brookings, South Dakota, has a Research Microbiologist (Post-Doctoral, Research Associate) position available, in the area of soil microbiology, to support interdisciplinary research on sustainable cropping systems. Candidates should demonstrate soil microbiology training and experience applying molecular methods in soil microbiology. Experience working with mycorrhizal fungi is desirable. The selectee will assess soil microbiological characteristics associated with sustainable cropping practices (e.g., cover crops, diversified rotation, no/conservation tillage, perennial crops) and quantify soil biological benefits in these systems (e.g., relative abundance of beneficial organisms, nutrient provisions). The salary range is $56,411 to $73,329, and the selectee is eligible for a benefits package. Citizenship restrictions apply; to learn more go to http://www.opm.gov/employ/html/non_cit.asp. Interested applicants should go to www.usajobs.com and look for RA-09-064-L. To have a printed copy mailed, call 605-693-5203. USDA/ARS is an equal opportunity employer and provider.