Security Engineer, Detection and ResponsePosted today€75K–€142K

The opportunity

Millions of people rely on Notion to do their most important work, and protecting that trust is foundational to everything we build.

What you'll do

  • Build and tune high-signal detections across cloud, identity, endpoint, and: SaaS environments, with review and mentorship from senior teammates as you ramp up.

  • Contribute to the detection platform, including rule lifecycle management,: tuning, measurement, and rollout safety.

  • Build tooling and automation that speed up triage, enrichment, investigation,: and detection authoring, including LLM-based workflows where useful.

  • Turn threat intelligence and adversary TTPs into detections, telemetry: requirements, and response improvements.

  • Take part in investigations, incident response, and postmortems, and help: turn what we learn into lasting fixes.

  • Help define and track metrics such as coverage, MTTD, and alert quality.

What they're looking for

  • Join a shared on-call rotation for incident response.
  • We're hiring across a range of experience levels. If you have some of these: skills but not all, we'd still like to hear from you. 3+ years of experience in detection engineering, security operations, incident response, threat hunting, or a closely related security or software engineering role.
  • Have written or tuned detections that run in production, and care about signal quality and cutting noise.
  • Working knowledge of at least one detection or query language (Sigma, KQL,: SPL, YARA-L, EQL, or Panther), or strong SQL or Python skills and the drive to learn one quickly.