Senior Security Engineer: AI-Driven Detection & IR

United States Digital Space LLC; Boston (MA); On-site; USD 142,000 - 212,000; Full time

Job summary

Klaviyos in Boston, MA is seeking a Senior Security Engineer to join our Detection and Response (D&R) Team. This hands-on role builds and maintains secure, scalable detection and response systems to improve security observability and incident handling.

You will develop AI-first detection, onboard logs, and contribute to end-to-end threat hunts and on-call rotations, collaborating with engineers to automate detection and response workflows.

Qualifications

• 5+ years 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).
• 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.

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.

Skills

Security engineering

Automation

AI-first

Centralized logging

Data lakes

SIEM

Data pipelines

Python

Go

GitHub

CI/CD

Threat intel

On-call

Communication

Team player

Education

Bachelors

Tools

GitHub

CI/CD tools

Logging tools

Job description

Klaviyos in Boston, MA is seeking a Senior Security Engineer to join our Detection and Response (D&R) Team. This hands-on role builds and maintains secure, scalable detection and response systems to improve security observability and incident handling.

You will develop AI-first detection, onboard logs, and contribute to end-to-end threat hunts and on-call rotations, collaborating with engineers to automate detection and response workflows.