Under the direction of the R&D Manager, R&D. Responsibilities. Technicians are responsible for testing food and nutritional products to determine physical and chemical properties to ensure they comply with FDA, SQF, FISMA, FDA, USDA Organic, NSF, GMP, Kosher & Halal et. al. regulations. Specific duties include : researching current consumer markets and latest technologies to develop new product concepts. assisting the R&D Manager in the research ...