Top 3 Infrastructure Interview Questions

Browse 3 real-world technical and behavioral interview questions about Infrastructure. Review scenarios, edge cases, and architectural best practices.

How would you architect a Kubernetes cluster to manage a heterogeneous fleet of GPUs simultaneously running massive distributed training jobs and latency-sensitive inference services without catastrophic degradation?

An in-depth look at designing a robust Kubernetes orchestration layer to optimise GPU utilisation across diverse, conflicting machine learning workloads.

hardscenario

How would you architect an ephemeral, auto-scaling GitHub Actions runner infrastructure using spot instances to drastically reduce costs without compromising pipeline reliability or introducing unacceptable queuing delays?

An analysis of the challenges in designing a cost-effective, scalable GitHub Actions runner environment using spot instances, focusing on state management, instance termination handling, and performance tuning.

hardscenario

How do you design a petabyte-scale telemetry pipeline that decouples generation from storage while aggressively curbing backend SaaS costs?

An architectural blueprint for unified observability pipelines, focusing on edge processing, intelligent tail-based sampling, and vendor-agnostic telemetry.

hardscenario