Job Description and Duties Candidates in one of these classifications, where a Master’s Degree is required to meet the minimum qualifications, shall receive an educational pay differential equivalent to 2% of their monthly base pay. Those where a Doctoral Degree is required to meet the minimum qualifications, shall receive an educational pay differential equivalent to 3% of their monthly base pay. Individuals with both a Master’s and Doctoral Degree will be given the best benefit in relation to salary shall only be eligible for only one amount. Under general supervision of the Research Scientist Supervisor I (Microbiological Sciences), the Research Scientist II (Microbiological Sciences) in the Food and Drug Laboratory Branch