IAM Lead – Authentication Services

Position Overview

We are seeking an experienced Lead – IAM Authentication Services to provide technical leadership and architectural direction for enterprise identity and authentication services. This role will be responsible for the design, implementation, administration, security, and ongoing evolution of our Identity and Access Management (IAM) authentication platforms.

The ideal candidate brings extensive hands-on expertise with Microsoft Active Directory, Microsoft Entra ID (Azure AD), enterprise Single Sign-On (SSO), federation, and modern authentication protocols . This individual will serve as a technical subject matter expert and will work closely with infrastructure, cybersecurity, application, cloud, and engineering teams to deliver secure, scalable, and highly available identity services.

Key Responsibilities

• Lead the architecture, engineering, administration, and operational support of enterprise IAM authentication services .
• Provide technical leadership for Active Directory architecture , including domain services, forests, domains, trusts, Group Policy, replication, DNS integration, authentication, and directory security.
• Design, implement, and maintain Microsoft Entra ID (Azure AD) environments, including tenant architecture, identity synchronization, authentication, Conditional Access, application integrations, and hybrid identity.
• Lead the design and implementation of enterprise Single Sign-On (SSO) solutions using technologies and protocols such as: SAML 2.0
• OAuth 2.0
• OpenID Connect (OIDC)
• WS-Federation
• Kerberos
• LDAP
• Architect and support integrations between on-premises Active Directory, Entra ID, SaaS applications, cloud platforms, and enterprise applications.
• Establish and maintain authentication patterns and standards for workforce, application, and service identities .
• Design and support highly available and resilient authentication infrastructure, including disaster recovery and business continuity capabilities.
• Provide technical leadership for identity modernization initiatives, including hybrid identity, cloud migration, passwordless authentication, and Zero Trust architectures .
• Troubleshoot complex authentication, federation, directory, and SSO issues across enterprise environments.
• Develop and maintain IAM architecture documentation, standards, technical procedures, and operational runbooks.
• Establish and enforce security best practices for identity infrastructure, privileged access, authentication, and directory services.
• Partner with cybersecurity teams to identify and remediate identity-related vulnerabilities and risks.
• Collaborate with application and engineering teams to onboard applications to enterprise authentication and SSO platforms.
• Provide technical guidance and mentorship to IAM engineers and administrators.
• Participate in architecture reviews, technology evaluations, and strategic IAM roadmaps.
• Support incident response and root-cause analysis for critical identity and authentication incidents.
• Evaluate emerging identity technologies and recommend solutions that improve security, resiliency, user experience, and operational efficiency.
• Required Qualifications
• 8+ years of experience in Identity and Access Management, authentication, directory services, infrastructure engineering, or a related discipline.
• Extensive hands-on experience designing and administering Microsoft Active Directory in large enterprise environments.
• Strong understanding of Active Directory architecture , including: Forests and domains
• Domain controllers
• AD replication
• DNS
• Group Policy
• Trust relationships
• Kerberos authentication
• LDAP
• Active Directory security and hardening
• Extensive experience with Microsoft Entra ID (Azure AD) and hybrid identity architectures.
• Strong experience implementing and troubleshooting SSO and federation technologies , including SAML, OAuth 2.0, and OpenID Connect.
• Experience integrating enterprise applications with Active Directory and/or Entra ID.
• Strong understanding of authentication, authorization, federation, identity lifecycle, and access control concepts.
• Experience with Microsoft Entra Connect / Azure AD Connect and hybrid identity synchronization.
• Experience with Conditional Access, MFA, identity protection, and modern authentication .
• Strong troubleshooting and root-cause analysis skills across complex identity environments.
• Experience working with security, infrastructure, cloud, and application engineering teams in large enterprise environments.
• Demonstrated ability to lead technical initiatives and provide direction to engineers and administrators.

Preferred Qualifications

• Experience with Privileged Identity Management (PIM) and privileged access management concepts.