Senior Security Engineer - Detection & Response
About The Position
Klaviyo is seeking a Senior Security Engineer to join their Detection & Response Team. This role involves the full lifecycle of detection and response, utilizing software development practices to build detections, triage alerts, lead investigations, respond to incidents, perform threat hunting, and develop tooling to enhance efficiency. The engineer will tackle complex security challenges across enterprise, cloud, and product environments, shaping how an engineering-first D&R function uses automation and AI at scale. The position offers the opportunity to work with talented colleagues across multiple regions and timezones.
Requirements
- 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
- Solid data querying skills (e.g. SQL, Splunk)
- 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
- Engineering-first and AI-first approach for all work performed
- 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
- Leverage engineering practices to develop, test, and deploy high-fidelity rule-based and anomaly-based 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 our Threat Intelligence team 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 core security data lake and SIEM platforms
- Be an active member of D&R on-call rotations
- Coach and mentor security engineers within the detection & response team
Benefits
- Annual cash bonus plan
- Variable compensation (OTE) for sales and customer success roles
- Equity
- Sign-on payments
- Comprehensive range of health, welfare, and wellbeing benefits
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
