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Security Software Engineer II, Detection and Response at Pinterest

A hands-on detection-and-response security engineering role at Pinterest building alerting, logging pipelines, and threat-hunting tooling to protect employees and infrastructure. Interviews test SIEM query writing, attacker-lifecycle knowledge, OS internals depth, and how candidates use — and critically verify — AI in their security workflow.

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What this interview tests

  • SIEM query writing for alerting and threat hunting
  • Attacker lifecycle and detection technique knowledge
  • OS internals: persistence and privilege escalation (macOS/Linux/Windows)
  • Logging pipeline management and telemetry sourcing (EDR, Osquery, firewall)
  • Using and critically verifying AI in security engineering workflows

Common question themes

Write or reason through a SIEM detection rule for a specific attacker technique

Walk through an incident you ran as on-call, from alert to resolution

How you'd onboard a new logging source to improve detection coverage

Persistence or privilege escalation mechanisms you've investigated on macOS/Linux/Windows

A time you used AI in a security workflow and had to verify or correct its output

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