DevOps Engineer (Advanced Screening) Screening Interview Template

Describe the most complex cloud architecture you have designed or significantly evolved. What were the key design decisions and trade-offs?

What this assesses: Evaluates cloud architecture depth, system design thinking, and ability to make principled trade-offs.

How do you define and measure reliability for the systems you manage? What SLOs do you set and how do you balance reliability with velocity?

What this assesses: Tests SRE methodology knowledge and understanding of reliability as a feature with costs and trade-offs.

Tell me about a security vulnerability or incident you discovered in your infrastructure. How did you identify it, respond, and prevent recurrence?

What this assesses: Assesses security awareness, incident response capability, and systematic prevention thinking.

Walk me through your approach to building an internal developer platform. What self-service capabilities do you prioritize and why?

What this assesses: Evaluates platform engineering mindset and understanding of developer experience as a product.

Describe a situation where you had to migrate a critical system with zero downtime. What was your approach and what went wrong, if anything?

What this assesses: Tests migration planning, risk management, and ability to execute complex operations safely.

How do you approach cost optimization in the cloud without sacrificing performance or reliability? Give a specific example with measurable results.

What this assesses: Assesses financial awareness and ability to optimize cloud spend systematically.

Tell me about your experience with observability beyond basic monitoring. How do you instrument systems for debugging complex distributed issues?

What this assesses: Evaluates observability maturity, distributed systems debugging ability, and tooling sophistication.

What is your philosophy on automation versus manual intervention in operations? Where do you draw the line, and how do you decide what to automate?

What this assesses: Gauges automation judgment, pragmatism, and understanding of when human intervention is appropriate.