Site Reliability Engineering (SRE) is a discipline that combines software engineering and IT operations to ensure the reliability, scalability, and efficiency of systems. Preparing for an SRE interview can be challenging, given the breadth of knowledge required. Below are the top 22 SRE interview questions and answers to help you ace your next interview in 2025.

Tools and Automation

Which tools are essential for SRE?
How do you implement Infrastructure as Code (IaC)?
What is Chaos Engineering, and how does it help?

Technical Questions

Explain the concept of SLO, SLA, and SLI

• SLO (Service Level Objective): A target level of reliability a service aims to achieve.
• SLA (Service Level Agreement): A formal agreement with users outlining the service’s reliability expectations.
• SLI (Service Level Indicator): A measurable metric (e.g., uptime, latency) to track performance.

Behavioral Questions

How do you prioritize tasks when multiple systems face issues?
I prioritize based on the impact on business-critical services, user experience, and SLAs.

Describe a time when you automated a manual process. (Provide a specific example, such as writing a script to automate log analysis or deployment tasks.)

How do you ensure effective collaboration with development teams?
Regular communication, shared objectives, and using tools like Jira or Confluence to track progress ensure alignment between SRE and development teams.

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