Mostly research based questions, but don’t be scared, they really just want to learn more about you chemistry and interact with you!
Senior Research Scientist Interview Questions
325 senior research scientist interview questions shared by candidates
What is your strength for work?
I was directed to read several scientific papers (that they selected) to discuss during the interviews. This seemed strange as it's something I haven't encountered for an interview. I was also asked very basic technical questions about procedures and controls. The interviewers were all quite young and didn't seem able to adapt their interview questions to my experience.
What was my part in the papers I have written.
Questions were heavily concentrated around probability and statistics. Some questions required to code up simulations to solve a probability questions
Cutting stock problem. The production of paper or cloth often uses the following process. We first produce the paper on long rolls which we then cut to meet specific demand requirements. The cutting stock problem is to meet the specified demand by using the minimum number of rolls. Suppose that the rolls all have length L and that we have a demand of di for smaller rolls of size Li • There might be many ways to cut any roll into smaller rolls. For example, if L = 50 and the Li have lengths 10, 15, 25, 30, we could cut the rolls into several, different patterns: for example, (1) 5 rolls of size 10; (2) 3 rolls of size 15; (3) 2 rolls of size 10 and 1 roll of size 25. Note that in the first pattern, we use the entire roll of size L, but in the other two patterns we incur a waste of 5. Let P denote the collection of all patterns, and for any pattern p ∈ P, let ni,p denote the number of small rolls of size Li in pattern p. (a) Letting xp be a nonnegative integer variable indicating how many rolls we cut into pattern p, show how to formulate the cutting stock problem of finding the fewest number of large rolls to meet the specified demands as an optimization model with a variable for each cutting pattern. (b) Suppose that we wish to cut a single roll of size L into sub-rolls and that we receive a profit of πi for every sub-roll of size Li that we use in the solution. Show how to formulate this problem as an integer knapsack problem. (c) Show how to use the column generation technique to solve the linear programming relaxation of the cutting stock problem in part (a), using knapsack problems of the form stated in part (b) to price out columns.
A company is planning to hire employee on different day-shifts to meet its workload demand. The employees in each day-shift can work for at most five consecutive days and require two days weekly off. For example, if the day-shift for an employee starts on Monday, he/she will have weekly off on Saturday and Sunday, whereas, a day-shift starting on Wednesday will have weekly off on Monday and Tuesday. A day-shift can start on any day of the week (day 1 = Monday, ……, day 7 = Sunday). If cost of each shift is c_1,⋯,c_7 and workload demand for number of people on any given day i in the month is D_i,0≤i≤N (where N is the number of days in the week). Write a Mixed Integer Programming formulation to minimize the total wage cost by the company while ensuring that workload demand is fulfilled.
Why did you decide to apply to our company?
There was not a most difficult or unexpected question. Since they are partially supported by contract for higher business, it is important to understand that there are many interactions outside the company and being able to relate how you can benefit AMRI in this roll, in my opinion.
If I had experience with cGMP
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