Senior Security Engineer (IAM)

EPAM Systems; Argentina; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off

Learning & development resources

Global career opportunities

Volunteer opportunities

Job summary

EPAM Systems, Inc. is seeking a Senior Security Engineer (IAM) to lead the migration of 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 document runbooks for scalable execution. The role requires hands-on experience with Okta and Entra ID, strong SAML/OIDC knowledge, and ability to operate at scale within a

Qualifications

• 3+ years of hands-on experience with Okta Workforce Identity and Microsoft Entra ID (Azure AD).
• Strong knowledge of SAML and OpenID Connect (OIDC), including client-credentials flows.
• Experience using Jira and Confluence for tracking work and maintaining documentation.

Responsibilities

• Migrate application integrations (SAML, OIDC, OAuth2 client-credentials) from Okta to Microsoft Entra ID across ~200 applications.
• Coordinate with app teams to plan cutovers, testing, and migration scheduling.
• Develop runbooks and documentation to standardize multi-wave migrations.

Skills

Okta Workforce Identity

Microsoft Entra ID

SAML

OIDC

OAuth2 client-credentials

Jira

Confluence

English (B2+)

Tools

Jira

Confluence

Job description

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.ResponsibilitiesDeliver the technical migration of application integrations (SAML, OIDC, and OAuth2 client-credentials flows) from Okta to Microsoft Entra ID across roughly 200 applicationsHelp migrate approximately 45,000 users from SMS authentication to Okta VerifyDiagnose and resolve SSO/authentication issues encountered during migration cutoverCoordinate with individual application teams to align on migration scheduling and testingDevelop migration runbooks and documentation to standardize execution across multiple waves of applicationsRequirementsHands-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 flowsPractical experience using Jira and Confluence for tracking work and maintaining documentationComfort working at scale across a large application portfolio in a matrixed enterprise environmentProficiency in English at a B2+ levelNice to haveBackground with conditional access policy governance and device assurance policiesFamiliarity with phishing-resistant MFA approaches such as FastPass and FIDO2/WebAuthnPrevious delivery experience on an IdP migration project specifically (beyond steady-state Okta/Entra administration)We offerInternational projects with top brandsWork with global teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedIn