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25 Cloud Architect Interview Questions

Assess architecture judgement, security and governance in the cloud, and the ability to turn business constraints into a reliable, affordable design for cloud architect candidates.

Cloud ArchitectureSecurity and IdentityNetworkingGovernanceStakeholder Communication
25 questions
Role-specific and behavioural
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Cloud Architect Interview Questions

25 total
  1. 1

    How would you structure accounts, subscriptions or projects for a company with several teams and environments?

  2. 2

    What does a well-designed landing zone contain, and what do teams usually forget?

  3. 3

    How do you choose between virtual machines, containers and serverless for a new workload?

  4. 4

    Describe how you would design identity and access for a cloud environment used by employees, contractors and applications.

  5. 5

    How do you avoid being locked in to one cloud provider, and when is lock-in an acceptable choice?

  6. 6

    How do you translate a business statement such as “this system can never be down” into concrete architecture requirements?

  7. 7

    Walk me through the design of a multi-region application. What makes it hard in practice?

  8. 8

    How do you design the network between on-premises systems and the cloud, and what can go wrong with it?

  9. 9

    What are the data residency and sovereignty questions you ask before placing data in a region?

  10. 10

    How do you review an architecture proposed by another team? What do you look for first?

  11. 11

    Describe an architecture decision you made that turned out to be wrong. How did you discover it and what did you do?

  12. 12

    How do you design for failure of a managed service that your system depends on?

  13. 13

    How do you decide how much to build with managed services versus running your own?

  14. 14

    How do you document architecture so that it stays useful after the first month?

  15. 15

    How would you design a secure environment for a workload that processes personal data?

  16. 16

    What guardrails would you put in place so that teams can move fast without creating security or cost problems?

  17. 17

    How do you approach the choice of a database service for a workload with unpredictable traffic?

  18. 18

    Describe how you would explain a trade-off between cost and resilience to a finance director.

  19. 19

    How do you plan the capacity and limits of cloud services before a large launch?

  20. 20

    Tell me about a time you had to say no to a team's preferred technology. How did you handle it?

  21. 21

    How do you design event-driven architectures, and where do they cause more problems than they solve?

  22. 22

    What is your approach to tagging, ownership and accountability of cloud resources?

  23. 23

    How would you design an environment so that an audit of access and changes is straightforward?

  24. 24

    How do you keep an architecture current as cloud services and team needs change?

  25. 25

    How do you grow the cloud skills of the engineers around you while remaining accountable for the overall design?

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25 Cloud Architect Interview Questions (2026) | Passisto