Principal Technical Lead, External Manufacturing - Drug Substance
Posted Oct 2, 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 CAPA you led that actually prevented recurrence. How did you know?
What they are checking: Whether they verify CAPA effectiveness rather than closing actions on paper.
Describe a time you had to influence people at a partner company who did not report to you.
What they are checking: Whether they can lead through influence across company boundaries.
Tell me about a process improvement you drove at an external site. How did you get the partner to invest in it?
What they are checking: Whether they can create shared value with a CMO rather than only issuing requests.
What would you do
Walk me through how you would lead a deviation investigation at a contract manufacturer when they are defensive.
What they are checking: Whether they can drive real root cause analysis with a partner without damaging the relationship.
Supply chain needs a batch released urgently, but you have doubts about a process trend. What do you do?
What they are checking: Whether they protect product quality under supply pressure while offering practical options.
About the work
How do you build a deep understanding of a drug substance process that runs at a CMO you can only visit occasionally?
What they are checking: Whether they have practical ways to own process knowledge without running the process themselves.
How do you use process performance data to spot a trend before it becomes a batch failure?
What they are checking: Whether they apply statistical process monitoring to critical process parameters and quality attributes.
A CDMO wants to change a raw material supplier. How do you assess the technical impact?
What they are checking: Whether they evaluate change risk thoroughly across chemistry, quality and regulatory filings.
How would you approach transferring an intermediate step to a new CMO with different equipment?
What they are checking: Whether they understand equipment capability, scale and fit when moving a process between sites.
How do you work with Regulatory to decide whether a manufacturing change needs a filing?
What they are checking: Whether they understand how technical changes connect to regulatory commitments in registered processes.
Practice this interview out loud.
Offer builds a real interview for this exact role at AbbVie from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.
Practice this out loudThe full job description
As published by AbbVie.