Senior Security Engineer: AI-Driven Detection & Response

Klaviyo; Boston (MA); On-site; USD 142,000 - 212,000; Full time

Job summary

Klaviyo is seeking a Senior Security Engineer to join the Detection & Response Team in Boston. This engineering role covers the full detection and response lifecycle, building detections, triaging alerts, leading investigations, and enhancing tooling to automate work at scale across enterprise, cloud, and product environments.

You will apply AI-first security approaches, automate workflows, and collaborate with teams across regions to advance security operations and tooling.

Qualifications

• 5+ years of hands-on security experience in modern cloud environments.
• Experience in triaging and responding to cyber threats.
• Experience in large-scale log analysis, incident response and/or digital forensics.
• Experience with centralized security data lakes and SIEM solutions.
• Hands-on experience in writing detections-as-code.
• Proficient in programming languages to automate / build (e.g., Python, Go).

Responsibilities

• Leverage engineering practices to develop, test, and deploy high-fidelity detections-as-code.
• Detect and respond to cyber threats using security data lake, SIEM, and cloud platforms.
• Respond to alerts, cyber threats, and drive end-to-end incident response investigations.
• Perform digital forensic investigations to include collection and analysis of evidence.
• Automate and codify detection and response workflows and processes.
• Build security tooling to drive automation across D&R lifecycle.
• Improve and maintain detection and response pipelines and underlying systems.
• Work 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.
• Be an active member of D&R on-call rotations.
• Coach and mentor security engineers within the detection & response team.

Skills

Security engineering

Threat detection

Incident response

Digital forensics

Detections-as-code

SQL

Splunk

Python

Go

GitHub/CI-CD

Tools

SIEM

Git/GitHub

CI/CD

Job description

Klaviyo is seeking a Senior Security Engineer to join the Detection & Response Team in Boston. This engineering role covers the full detection and response lifecycle, building detections, triaging alerts, leading investigations, and enhancing tooling to automate work at scale across enterprise, cloud, and product environments.

You will apply AI-first security approaches, automate workflows, and collaborate with teams across regions to advance security operations and tooling.