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 FastPass and FIDO2/WebAuthn
- Previous delivery experience on an IdP migration project specifically (beyond steady-state Okta/Entra administration)

📌 Senior Security Engineer (IAM) (Argentina)
🏢 EPAM Systems
📍 Argentina