Develop and implement modern authentication solutions (OAuth, SAML, token‐based authentication, claims transformations). Manage identities and authentication services using Microsoft Entra ID, including SSO, Conditional Access, MFA, PIM, and authentication methods. Enhance and secure Active Directory environments, including AD tiered models, GPOs, DNS, PKI/Certification Authority … management initiatives. Qualifications Strong knowledge of Active Directory security, resilience, and legacy authentication protocols (LDAP, Kerberos, NTLM). Experience with Microsoft Entra ID, including SSO, Conditional Access, MFA, identity governance, and domain services. Proficiency in modern authentication protocols (OAuth, SAML) and app integrations. Experience with Entra Application Provisioning (SCIM ...