Senior Security Engineer

Responsibilities

• Build systems that support security observability for detection and response.
• Develop AI-first systems to automate detection and response operations.
• Onboard, normalize, and optimize security logging data for large-scale analysis, detection engineering, machine-learning model deployment, and incident querying.
• Develop rule-based and/or machine-learning-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 threat hunts and participate in Detection and Response on-call rotations.

Requirements

• 5+ years of experience in software, security, and/or data engineering.
• An automation-first and AI-first approach to work.
• Experience with centralized logging, data lakes, and SIEM solutions.
• Familiarity with large-scale data pipelines and data-engineering techniques.
• Proficiency in programming languages such as Python, Go, or similar.
• Proven experience with Git, GitHub, and CI/CD automations.
• Familiarity with threat-actor tactics, techniques, and procedures.
• Experience participating in detection and response or incident-response on-call rotations.
• Strong continuous-learning, communication, teamwork, and self-management skills.

Benefits

• Base salary range of $141,600—$212,400 USD across U.S. locations, with additional compensation and benefits potentially including annual cash bonus, equity, sign-on payments, and health, welfare, and wellbeing benefits.
• The role may require up to 10% travel for onboarding, client or partner work, team meetings, and industry events, coordinated in advance.
• Klaviyo provides accommodations as needed and supports an equal-opportunity, nondiscriminatory workplace.