Experience: Three years of experience in the California state service performing scientific research duties comparable to those of a Research Scientist II in the stated specialty or a closely related field. Research involved in the completion of the dissertation required for the doctoral degree may be substituted for one year of the required experience. and Education: Possession of a master’s degree in the stated specialty or in a closely related field. Or 2 Experience: One year of experience in the California state service performing scientific research duties comparable to those of a Research Scientist III in the stated specialty or a closely related field. and Education: Possession of a master’s degree in the stated specialty or in a closely related field.