Identity Security Engineer - CIAM/Auth0

Role : IAM / Identity Security

Key Responsibilities :

- Implement and configure Auth0 Customer Identity modules (Universal Login, connections, MFA, Actions/extensibility, attack protection, logging)

- Design and support OAuth 2.0 / OpenID Connect flows for customer-facing applications

- Debug customer identity issues in real time, with intimate knowledge of JSON Web Tokens (JWT) - claims, signatures, expiry, audience/issuer validation, access/refresh token behavior

- Apply and support FAPI 2.0 (Financial-grade API) aligned authentication and authorization patterns

- Integrate Auth0 with APIs, applications, and identity federation/SSO where required

- Contribute to identity runbooks, playbooks, and process documentation

- Support audit and compliance evidence gathering related to customer authentication and access

- Escalate and coordinate on critical customer-identity events with senior leadership

Required Experience :

- 6+ years in IAM / identity security, with 3 - 5+ years of hands-on Auth0 (Customer Identity) implementation and support experience

- Proven experience debugging production customer auth/token issues under time pressure

- BFSI client-facing implementation experience preferred

Core Technical Expertise :

- Auth0 (Customer Identity / CIAM)

- JSON Web Tokens (JWT), OAuth 2.0, OpenID Connect

- FAPI 2.0 standard familiarity

- MFA, PKCE, token/session lifecycle, secure client patterns

- Identity federation and SSO as applied to CIAM

- API security fundamentals related to customer authentication

Preferred Certifications :

- Auth0 / Okta-related identity certifications (as applicable); cloud identity adjacency (e.g., Microsoft Entra ID / Azure AD B2C) a plus