Information Technology - Senior / Lead Systems Engineer End User Computing (EUC)

Singapore Airlines Limited; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Singapore Airlines Limited is seeking a Senior / Lead Systems Engineer for End User Computing (EUC) to drive authentication modernization and productivity platform management. The role focuses on enterprise identity, authentication, and collaboration tooling across Singapore and global operations.

The ideal candidate will design and maintain robust MFA/SSO frameworks, migrate legacy SSO to Entra ID, and oversee hybrid identity infrastructure with Azure AD Connect while coordinating with

Qualifications

• Experience designing and maintaining hybrid Active Directory environments.
• Proven ability to implement SSO and MFA solutions for large organizations.
• Hands-on knowledge of Microsoft Entra ID or Azure AD-based identity infrastructure.
• Experience managing Microsoft 365 collaboration tools (Exchange Online, Teams, SharePoint Online).

Responsibilities

• Design, implement, and maintain enterprise authentication with MFA and SSO.
• Migrate legacy SSO setup to Microsoft Entra ID with minimal disruption.
• Manage hybrid identity infrastructure with on-prem AD and Azure AD Connect.
• Evaluate market solutions and run PoCs for best-fit identity/authentication tech.
• Collaborate with security teams to align with enterprise architecture.

Skills

Hybrid Active Directory

Azure AD Connect

SSO implementation

MFA

M365 tools

Tools

Exchange Online

SharePoint Online

Teams

Microsoft 365 Admin Center

Job description

Select how often (in days) to receive an alert: Create Alert

Information Technology - Senior / Lead Systems Engineer End User Computing (EUC)

Job Description

The End User Computing (EUC) team provides IT services and support for all SIA Group employees in Singapore and globally. We are seeking an experienced and driven professional to join our EUC team as a Lead Systems Engineer, playing a key role in modernizing and sustaining our enterprise identity, maintaining the collaboration and productivity platforms along with the 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 the technical leadership and integration guidance to the 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

We thank all candidates for your interest in Singapore Airlines, and regret that only shortlisted candidates will be notified.