Senior Security Engineer

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 analysis and ML deployment
• Develop high-fidelity rule-based and 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
• Conduct ad-hoc threat hunts and participate in on-call rotations

Requirements

• 5+ years of experience in software, security, or data engineering
• Automation-first and AI-first approach to technical tasks
• Experience with centralized logging, data lakes, and SIEM solutions
• Familiarity with large-scale data pipelines and data engineering techniques
• Proficiency in Python, Go, or similar programming languages
• Proven experience with git/GitHub and CI/CD automations
• Familiarity with threat actor tactics, techniques, and procedures
• Experience with detection and response or incident response on-call rotations

About the Company

Klaviyo empowers creators to own their destiny by making first-party data accessible and actionable. We build technology to nurture personalized experiences in ecommerce and beyond.