Modern Enterprise Infrastructure Professional
2 days ago
The Enterprise Infrastructure team is responsible for providing IT services and support for all employees in Singapore and globally. We are seeking an experienced professional to join our team as a Lead Systems Engineer, playing a key role in modernizing and sustaining enterprise identity, maintaining collaboration and productivity platforms along with email gateway infrastructure.
Key Responsibilities:
- Enterprise Identity & Authentication Management:
- Design, implement, and maintain a robust enterprise authentication system with a focus on Microsoft Entra ID-based Multi-Factor Authentication (MFA) and Single Sign-On (SSO).
- Drive the migration of legacy SSO setup to Microsoft Entra ID, ensuring smooth transition and minimal disruption, providing technical leadership and integration guidance to application teams for SSO/MFA enablement.
- Manage and maintain a hybrid identity infrastructure comprising on premises Active Directory and Microsoft Entra ID with Azure AD Connect handling directory synchronization.
- Evaluate and assess various solutions available in the market and conduct Proof of Concepts (PoC) to determine the best fit for the organization.
- Stay abreast of industry best practices and emerging technologies to continuously enhance and improve authentication mechanisms.
- Collaborate with cross-functional teams to ensure alignment with overall security strategy.
- Collaboration, Productivity Platform Management and Email Gateway Communication Infrastructure:
- Oversee Microsoft 365 tools including Exchange Online, Outlook, Teams, One Drive, SharePoint Online, Microsoft Viva Engage etc.
- Implement and manage Azure Information Protection (AIP) and Data Loss Prevention (DLP) to enforce data protection policies.
- Manage the SaaS email Gateway and support and maintain the on-prem O365 email gateway communication.
- Operational Excellence & Vendor Management:
- Work closely with service vendors to ensure performance, SLA adherence and service continuity.
- Own vendor relationship management and escalation for service delivery.
- Act as a subject matter expert and provide guidance to internal stakeholders.
Requirements:- Proven experience managing hybrid Active Directory environments synchronized with Microsoft Entra ID using Azure AD connect.
- Strong understanding of Single Sign-On (SSO) and experience with SSO solution implementation.
- Expertise in enterprise authentication protocols and technologies: Active Directory, MFA, SSO, encryption, LDAP/LDAPS, RADIUS protocol, SAML 2.0, Open ID Connect, and OAuth 2.0. Proficiency in M365 tools, AIP, DLP, and enterprise collaboration tools.
- Excellent communication and interpersonal skills to collaborate effectively with teams.
- Ability to manage platform uptime, troubleshoot complex issues, and support large-scale rollouts.
- Experience managing vendors and aligning solutions with enterprise architecture and security standard.
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