Senior IAM & Enterprise Messaging Engineer
About The Position
We are seeking a highly experienced Senior IAM & Enterprise Messaging Engineer to lead the design, implementation, and optimization of identity and messaging solutions across hybrid environments with our premier client. This role will serve as a technical lead for Identity & Access Management (IAM) and enterprise messaging platforms, ensuring secure, scalable, and compliant systems across on-premises and cloud infrastructures. This individual will play a critical role in managing identity lifecycle processes, enabling secure access, and supporting enterprise email and collaboration platforms while driving automation and operational excellence.
Requirements
- Bachelor's degree in Computer Science, Information Security, or related field (or equivalent experience)
- 10+ years of experience in IAM and enterprise messaging environments
- Deep expertise in: Active Directory (multi-domain), Azure AD / Entra ID, Hybrid identity architectures
- Strong experience with: Microsoft 365 / Exchange (Online & On-Prem), Azure AD Connect / Entra Connect, Conditional Access & MFA
- Hands-on experience with PowerShell scripting and automation
- Experience implementing DNS/email authentication protocols (SPF, DKIM, DMARC)
- Strong understanding of authentication protocols (SAML, OAuth, OpenID Connect)
- Ability to lead technical initiatives and communicate across teams
- Experience supporting escalations and end-user troubleshooting
Nice To Haves
- Microsoft or Identity-related certifications
- Experience in large enterprise environments ( 3,000+ users, multi-domain, multi-tenant )
- Exposure to identity security and email security platforms
- Experience with cloud platforms (Azure, AWS)
- Familiarity with Azure AD B2C / Entra External ID
- Strong analytical, documentation, and communication skills
Responsibilities
- Design, implement, and support IAM solutions across Active Directory (on-prem), Azure AD / Entra ID, and hybrid environments
- Manage and optimize Azure AD Connect / Entra Connect Sync and Cloud Sync
- Implement and support SSO, federation (ADFS), and Azure AD Application Proxy
- Configure and maintain Conditional Access and Multi-Factor Authentication (MFA)
- Lead user lifecycle management (onboarding, offboarding, role changes)
- Conduct access reviews, audits, and compliance reporting
- Develop automation solutions using PowerShell and APIs (Microsoft Graph)
- Design and manage Microsoft 365 / Office 365 and Exchange environments (on-prem & online)
- Implement and support email security protocols (SPF, DKIM, DMARC, DNS)
- Monitor and troubleshoot mail flow and messaging systems
- Support SCIM integrations with SaaS applications
- Provide Tier 3 escalation support for IAM and messaging issues
- Participate in incident response, root cause analysis, and security investigations
- Maintain detailed technical documentation and operational procedures
- Collaborate cross-functionally with infrastructure, security, and application teams
- Support on-call rotation and project-based initiatives
Benefits
- health insurance
- 401(k)
- paid time off
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
