Principal Research Scientist II
Posted Aug 4, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a process problem in manufacturing that you were called in to solve.
What they are checking: Whether they are the person who gets called, which is what principal means here.
How do you give technical guidance to a manufacturing team that reports to someone else?
What they are checking: Influence without authority, which is most of a technical expert role.
Tell me about a time your technical recommendation was overruled.
What they are checking: Whether they can disagree and then support the decision.
What development in parenteral processing do you think matters most right now?
What they are checking: Whether they follow the field, which a principal role is expected to.
What would you do
How do you work with an external partner who does things differently from your own plants?
What they are checking: The posting names external partners, and this is where technology transfer fails.
How do you decide a process is ready to move from development into manufacturing?
What they are checking: Judgment about readiness, which is where launches slip or fail.
About the work
Tell me about your experience with parenteral manufacturing processes.
What they are checking: Whether sterile manufacturing is genuinely their field, since it does not transfer from oral solid dose.
Walk me through troubleshooting a filling machine that is losing yield.
What they are checking: The posting names filling machines as the technical specialism, and this is the real work.
How do you approach selecting process equipment for a new or expanding line?
What they are checking: Equipment selection, which the posting names and which commits a plant for a decade.
How do you work with quality on a process change?
What they are checking: Change control in a regulated plant, which is where good engineering meets paperwork.
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Practice this out loudThe full job description
As published by AbbVie.