Klaviyo

Senior Security Engineer - Detection & Response

Klaviyo
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21 hours ago
Denver, CO, USASenior
H1B sponsor

Base Salary

$142k - $212k/yr

Responsibilities

  • Develop, test, and deploy rule-based and anomaly-based detections-as-code.
  • Triage alerts, respond to cyber threats, and lead end-to-end incident response investigations.
  • Conduct digital forensic investigations, including evidence collection and analysis.
  • Automate and codify detection and response workflows and build security tooling.
  • Maintain detection and response pipelines and underlying systems.
  • Collaborate with Threat Intelligence to identify and respond to sophisticated threats.
  • Develop AI-first security systems to automate detection and response operations.
  • Conduct threat hunts across corporate, cloud, and product environments.
  • Support data engineering workflows for security data lake and SIEM platforms.
  • Participate in detection and response on-call rotations.
  • Coach and mentor security engineers.

Requirements

  • 5+ years of hands-on security experience in modern cloud environments.
  • Experience triaging and responding to cyber threats.
  • Experience with large-scale log analysis, incident response, and/or digital forensics.
  • Experience with centralized security data lakes and SIEM solutions.
  • Hands-on experience writing detections-as-code.
  • Solid data querying skills, including SQL or Splunk.
  • Familiarity with large-scale data pipelines and data engineering techniques.
  • Proficiency in programming languages such as Python or Go.
  • Experience with Git, GitHub, and CI/CD automations.
  • Familiarity with threat actor tactics, techniques, and procedures.
  • Experience participating in detection and response or incident response on-call.
  • Engineering-first and AI-first approach to work.
  • Strong continuous-learning orientation, communication skills, and self-management.

Benefits

  • Comprehensive health, welfare, and wellbeing benefits are available based on eligibility.
  • Additional total compensation may include an annual cash bonus, equity, and sign-on payments.
  • The role may require up to 10% travel, coordinated in advance, for onboarding, client or partner work, team meetings, and industry events.

Tech Stack

Categories

Klaviyo

About Klaviyo

1,001-5,000 employees

Klaviyo builds a subscription SaaS platform that lets e-commerce and consumer brands use first-party data to run targeted email, SMS, and push campaigns, with built-in automation and analytics. The product also includes B2C CRM features for segmentation, A/B testing, and customer lifecycle workflows. Founded in 2012 and headquartered in Boston, it is a public company (NYSE: KVYO) used by brands such as Mattel and Glossier.

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