Senior Manager, Companion Diagnostics (CDx)
Posted Jul 1, 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
Walk me through a CDx clinical validation study you led. How did you align it with the drug trial?
What they are checking: Direct experience bridging drug trial needs and diagnostic validation, the core of the role.
Tell me about a time a CDx study fell behind. How did you get it back on track?
What they are checking: Whether they can spot a slipping study early and recover it on long, high-stakes pharma timelines.
How do you keep a pharma sponsor informed without overwhelming them?
What they are checking: Client communication that builds trust on complex, long projects.
What would you do
In early scoping you need input from sequencing, QA, CRO, Regulatory, outside IVD consultants and the sponsor. How do you run that?
What they are checking: Ability to coordinate many experts early so the contract and plan are realistic.
The drug sponsor changes the trial timeline and your validation plan no longer fits. What do you do?
What they are checking: Flexibility and clear communication with a pharma partner while protecting compliance.
How would you build lasting internal CDx expertise rather than relying on outside consultants?
What they are checking: Whether they can build repeatable processes and knowledge, as the posting emphasizes.
About the work
How would you translate a drug trial strategy into a diagnostic protocol?
What they are checking: Understanding of how enrollment, cutoffs and endpoints in the drug trial shape the CDx study.
What are the main regulatory risks in a CDx program, and how do you manage them?
What they are checking: Awareness of bridging studies, sample availability, assay locking and FDA expectations.
How do you handle a bridging study between a clinical trial assay and the final CDx?
What they are checking: Technical knowledge of concordance studies and why they matter for approval.
How do you scope a CDx contract so it is realistic on cost and timeline?
What they are checking: Business sense about effort, resources and risk when committing to pharma partners.
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As published by Tempus AI.