Principal Infrastructure Engineer
Posted Jun 5, 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 an engineering roadmap you built. How did you get leadership to fund it?
What they are checking: Whether they can turn technical needs into a strategic plan that business leaders support.
This is a technical leadership role in a large, mature team. How do you influence engineers who don't report to you?
What they are checking: Leadership through credibility and mentoring rather than authority.
Tell me about a major outage you were involved in. What did you change afterward?
What they are checking: Learning from incidents through root cause and lasting fixes.
How do you keep up with infrastructure technology without chasing every trend?
What they are checking: Judgment in adopting new technology that serves the organization's needs.
What would you do
A vendor's product doesn't meet the performance they promised in production. What do you do?
What they are checking: How they gather evidence, manage vendors and protect operations.
How do you translate a vague business request into infrastructure requirements?
What they are checking: Whether they ask the right questions before designing a solution.
About the work
Walk me through a multi-vendor infrastructure design you led, covering servers, storage, network or cloud. What tradeoffs did you make?
What they are checking: Whether they can reason across the full stack at the principal level, not just one tower.
How would you design hosting for a clinical application that cannot go down?
What they are checking: Resilience thinking, including failover, maintenance windows and recovery targets, in a health care context.
How do you decide what belongs in the cloud versus on premises for a health system?
What they are checking: Balanced judgment on cost, latency, security and compliance rather than a blanket preference.
How do you build security into infrastructure from the start in an environment with protected health information?
What they are checking: Whether security is part of their design habits, not added at the end.
How do you plan capacity for storage growth from imaging and clinical data?
What they are checking: Forecasting and scaling for health care data volumes that grow steadily.
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Practice this out loudThe full job description
As published by Sanford Health.