Own Linux security telemetry collection, enrichment, and vending for AWS at global scale

This is a Senior SDE role on the Informatics team within AWS Security, based in Dublin, building the systems that collect, enrich, and vend massive volumes of Linux security telemetry from millions of hosts worldwide. The role blends hands-on Rust development with technical leadership: architecture, mentoring, and end-to-end ownership of features across regions.

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What this interview tests

Distributed data collection/enrichment/vending pipelines at massive scale
Systems programming in Rust for security telemetry
Architecture and design for reliability and scaling of new/existing systems
Storage and compute cost optimization
Tech leadership: mentoring, leading design reviews, end-to-end ownership
CI/CD using Go, Python, TypeScript across AWS regions

Common question themes

Design a system to collect and enrich security telemetry from millions of hosts

Why Rust for this kind of data pipeline, and what are the trade-offs

Describe architecting a system for reliability and scale — what patterns and why

Tell me about a time you mentored or led an engineering team through a technical decision

How would you drive down storage/compute cost in a high-volume data pipeline

How do you approach end-to-end ownership from scoping through deployment across global regions

How candidates describe it

Real Senior Software Development Engineer interview stories — retold from candidates' public write-ups, with sources.

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