Identity Platform Engineer: Secure Access & Governance

Scale AI, Inc.; New York (NY); On-site; USD 216,000 - 270,000; Full time

Job summary

Scale AI, Inc. is seeking an experienced engineer to design and implement our identity infrastructure for secure authentication and authorization across enterprise systems.

You will build and improve SSO, MFA, and federated identity solutions (SAML, OAuth, OpenID Connect) to support scalable access across teams and services. You’ll work on RBAC, ABAC, and ReBAC authorization models, governance policies aligned with NIST/SOC2/ISO 27001, and communicate complex concepts to stakeholders.

Qualifications

• 5+ years of full‑time engineering experience in infrastructure and identity systems.
• Hands‑on experience with OpenFGA, Authzed, Cedar, Topaz, or similar authorization frameworks at scale.
• Strong understanding of Zanzibar‑based ReBAC models, relationship tuples, and access control evaluation.
• Strong knowledge of authentication standards such as OAuth 2.0, OIDC, SAML, and JWT, as well as industry standard IdP solutions like EntraID, Okta, etc.
• Extensive experience in software development and a deep understanding of distributed systems and public cloud platforms (AWS preferred).
• Show a track record of independent ownership of successful engineering projects.
• Possess excellent communication and collaboration skills, and the ability to translate complex technical concepts to non‑technical stakeholders.

Responsibilities

• Drive the design and implementation of identity infrastructure to ensure secure authentication and authorization across enterprise systems.
• Build software for authentication mechanisms such as Single Sign-On (SSO), Multi-Factor Authentication (MFA), and federated identity solutions (SAML, OAuth, OpenID Connect).
• Build software for authorization mechanisms such as Relation-based access control (ReBAC), Attribute-based access control (ABAC), Role-based access control (RBAC).
• Build software‑defined identity governance policies to ensure compliance with security policies, industry regulations (e.g., NIST, SOC2, ISO 27001), and organizational standards.
• Present technical information to teams and stakeholders, providing guidance and insight on identity management and best practices.

Skills

Identity infrastructure

Security architecture

OAuth/OIDC/SAML/JWT

Distributed systems

Communication & collaboration

Tools

OpenFGA

Authzed

Cedar

Topaz

EntraID

Okta

Job description

Scale AI, Inc. is seeking an experienced engineer to design and implement our identity infrastructure for secure authentication and authorization across enterprise systems.

You will build and improve SSO, MFA, and federated identity solutions (SAML, OAuth, OpenID Connect) to support scalable access across teams and services. You’ll work on RBAC, ABAC, and ReBAC authorization models, governance policies aligned with NIST/SOC2/ISO 27001, and communicate complex concepts to stakeholders.