Senior Security Engineer - Detection and Response

Klaviyo is a company that empowers creators to own their destiny by making first-party data accessible and actionable. They are seeking a Senior Security Engineer to join their Detection and Response Team, responsible for building and maintaining secure detection systems and participating in the response lifecycle to enhance security observability.

Responsibilities:

• Build systems that facilitate security observability for detection and response
• Develop AI-first security systems to automate detection and response operations
• Onboard, normalize and optimize security logging data for large-scale data analysis, detection engineering, deployment of ML models, and efficient querying during incidents
• Develop high-fidelity rule-based and/or ML-based detections as code
• Respond to security alerts, cyber threats, and security incidents
• Drive end-to-end incident response investigations
• Automate and codify detection and response workflows and processes
• Conduct ad-hoc threat hunts and be an active member of D&R on-call rotations

Requirements:

• 5+ years of experience in software, security, and/or data engineering
• Automation-first and AI-first approach for all work performed
• Experience with centralized logging, data lakes, and SIEM solutions
• Familiarity with large-scale data pipelines and data engineering techniques
• Proficient in programming languages to automate / build (e.g., Python, Go or similar)
• Proven experience with git/GitHub and CI/CD automations
• Familiarity with tactics, techniques, and procedures used by threat actors
• Experience being part of detection and response or incident response on-call
• Strong passion for continuous learning and staying updated on evolving technology
• Strong oral and written communication skills
• Team player with a strong, self-managing work ethic