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Updated weekly · Last refresh Sep 22

Open Systems Site Reliability Engineer Interview Questions

The questions to prepare for a Open Systems Site Reliability Engineer interview. Questions from real interview reports rank first. Updated daily.

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~2htotal time
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1
Security & InfrastructureStart here. 5 questions · ~41 min
What Happens When You Type a URLMedium

Assesses your end-to-end understanding of DNS, networking, and request flow.

Networkingweb technologiesOpen Systems
IP vs MAC AddressesEasy

Tests foundational networking knowledge needed for troubleshooting and reliability work.

NetworkingOpen Systems
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2
Technical Fundamentals5 questions · ~41 min
SLOs and SLAs ExperienceMedium

Evaluates how you define, apply, and operate SLOs and SLAs for reliable service delivery.

experienceOpen Systems
Reliability Performance MetricsMedium

Assesses whether you can define and track the right metrics to maintain service reliability.

monitoringperformance metricsOpen Systems
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3
Execution4 questions · ~32 min
Deploying Services on KubernetesMedium

Evaluates your Kubernetes deployment approach, including rollout and operational considerations.

kubernetesdeploymentOpen Systems
Kubernetes Service Disruption AvoidanceHard

Evaluates your ability to design and execute safe Kubernetes operations that minimize downtime.

kubernetesOpen Systems
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4
More topics4 questions · ~32 min
Go Concurrency with GoroutinesMedium

Assesses practical Go concurrency skills relevant to building reliable infrastructure services.

goconcurrencyOpen Systems
Post-Mortem Analysis After IncidentsMedium

Tests your ability to drive learning, root-cause analysis, and actionable follow-ups.

observabilityOpen Systems
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The finish line: interview-readyComplete all 18 questions to finish this plan.