Senior Security Engineer: AI-First Detection & Response

Company: Xapply
Apply for the Senior Security Engineer: AI-First Detection & Response
Location: London
Job Description:

Klaviyo is seeking a Senior Security Engineer to join the Detection & Response team, shaping engineering-first security across enterprise, cloud, and product environments. The role emphasizes building detections-as-code, incident response leadership, and automation at scale with AI-enabled tooling.

The engineer will tackle large-scale security challenges, contribute to threat hunting, and collaborate with global teams in a fast-paced, security-focused culture at Klaviyo.

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Posted: October 2nd, 2026