Success in the Senior Security Engineer, Identity and Access Management role will be accomplished by delivering on the responsibilities below in alignment with the Values and Principles that define how we work at HackerOne: Own the identity lifecycle end to end, from onboarding and creation through change to removal, for people, service accounts, and AI agents alike, building the automation that grants entitlements on evidence of legitimate need and removes them seamlessly and automatically. Partner with Engineering, Enterprise IT, and Compliance to embed identity controls into the systems they own, and support detection and incident response as the identity responder, containing access, reconstructing what an identity reached, and contributing to blameless retrospectives, demonstrating Change Agility as threats and tooling evolve.