Senior Security Engineer (IAM)

We are looking for a Senior Security Engineer (IAM) to help move application SSO integrations from Okta to Microsoft Entra ID as part of a major identity modernization program. You will partner with app owners across a large enterprise portfolio to plan cutovers, resolve authentication issues, and keep migrations consistent with clear runbooks and documentation.

Responsibilities

Deliver the technical migration of application integrations (SAML, OIDC, and OAuth2 client-credentials flows) from Okta to Microsoft Entra ID across roughly 200 applications Help migrate approximately 45,000 users from SMS authentication to Okta Verify Diagnose and resolve SSO/authentication issues encountered during migration cutover Coordinate with individual application teams to align on migration scheduling and testing Develop migration runbooks and documentation to standardize execution across multiple waves of applications Requirements Hands-on experience (3+ years) with Okta Workforce Identity and Microsoft Entra ID (Azure AD) Strong working knowledge of SAML and OpenID Connect (OIDC), including client-credentials/service-to-service flows Practical experience using Jira and Confluence for tracking work and maintaining documentation Comfort working at scale across a large application portfolio in a matrixed enterprise environment Proficiency in English at a B2+ level Nice to have Background with conditional access policy governance and device assurance policies Familiarity with phishing-resistant MFA approaches such as Fast.

Pass and FIDO2/Web. Authn Previous delivery experience on an IdP migration project specifically (beyond steady-state Okta/Entra administration)