Senior Manager, Security Incident Response

About the InfoSec team At Affirm, security is integral to our mission of building honest financial products and driving the company’s long-term success. The Security Operations and Resilience Engineering (SOR) program is the foundation of our prevention, detection, and response capabilities, helping safeguard Affirm’s assets and enterprise security ecosystem. As part of our Security Team, you’ll join a group of passionate, highly skilled professionals redefining fintech security through collaboration, innovation, and a team-first mindset.

About the role We’re seeking an experienced security leader to lead Affirm’s global security investigations and incident response program as we expand internationally. This leader will guide complex investigations and incidents while building the operating practices, readiness, and technical capabilities needed to support consistent response across regions and scale with the business.

In this role, you’ll lead a technically deep, engineering-oriented team that manages major incidents and builds better response capabilities. You’ll direct complex investigations while staying close to the technical work, bring structure to ambiguity, guide responders and executives through critical decisions, and turn incident findings into durable engineering improvements. You’ll also help shape AI-enabled investigation workflows, including agentic approaches to evidence gathering, analysis, and coordination, with human oversight and clear security, privacy, and operational safeguards.

• Lead security incidents and investigations across the full lifecycle, from initial assessment through containment, remediation, recovery, and post-incident review.

• Serve as incident commander for major security events, set clear roles and decision paths, and coordinate large technical and cross-functional response groups through ambiguity.

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