Mid leveltech

Cloud Engineer
Interview Questions

Covering Cloud Engineer interview questions — AWS, Azure, GCP, infrastructure as code, and cloud architecture.. Free, no signup required.

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Technical Questions
Q1
Describe the differences between AWS EC2, ECS, and EKS. When would you choose each for deploying a containerized application, and what are the cost and operational trade-offs?
Why they ask this:* They want to assess your understanding of container orchestration platforms, cost optimization, and ability to recommend appropriate solutions based on business requirements.
Q2
Walk us through how you would design a CI/CD pipeline for a microservices architecture. What tools would you use, and how would you handle secrets management and rollback procedures?
Why they ask this:* This tests your hands-on experience with deployment automation, understanding of modern DevOps practices, and knowledge of security best practices in cloud environments.
Q3
Explain how you would troubleshoot a sudden spike in latency for an application running on cloud infrastructure. What monitoring tools and metrics would you check first?
Why they ask this:* They're evaluating your systematic debugging approach, familiarity with observability tools (CloudWatch, Prometheus, etc.), and ability to diagnose production issues independently.
Q4
How would you implement Infrastructure as Code (IaC) for a multi-environment cloud deployment (dev, staging, production)? What are the benefits and challenges you've encountered?
Behavioral Questions
Q5
Tell me about a time when you had to migrate a legacy application to the cloud. What challenges did you face, what was your approach, and what was the outcome?
Q6
Describe a situation where you discovered a critical security vulnerability in your cloud infrastructure. How did you identify it, what actions did you take, and how did you prevent it in the future?
Q7
Tell us about a time when you had to collaborate with multiple teams (DevOps, security, backend developers) on a cloud infrastructure project. How did you communicate technical decisions and handle conflicts?
Situational Questions
Q8
What would you do if you discovered that a critical production service was consuming 3x its normal cloud costs with no corresponding increase in traffic? How would you investigate and resolve this?
Q9
How would you handle a situation where a major cloud provider (AWS, Azure, GCP) experiences an outage affecting your company's primary production environment? Walk me through your response.
Q10
What would you do if a junior team member deployed infrastructure changes directly to production without peer review, causing a 30-minute outage? How would you address both the immediate issue and the process failure?
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