Assistant Lead Engineer - Authentication Protocols (Software Engineering)

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

Job summary

Synapxe is hiring an ADFS/Identity Infrastructure professional to design, deploy and manage enterprise-scale authentication services in Singapore. You will onboard Relying Parties, configure federation protocols, and integrate with Microsoft Entra ID for SSO, MFA and conditional access.

Ideal candidates have 3–5 years of hands-on ADFS experience, strong PowerShell skills, and a background in Windows Server and PKI.

Qualifications

• Degree in Computer Science, IT or related field.
• 3–5 years of ADFS or identity infrastructure experience.
• Hands-on onboarding of Relying Parties and federation protocols.

Responsibilities

• Co-design, deployment and administration of enterprise-scale ADFS infrastructure.
• Onboard, integrate, test and support Relying Parties using SAML 2.0, OAuth 2.0, OpenID Connect and WS-Federation.
• Integrate applications with Microsoft Entra ID for SSO, MFA and Conditional Access.
• Provide technical leadership for authentication, federation and claims-based access control.
• Manage certificates and trust relationships.
• Troubleshoot complex federation and identity issues.
• Experienced in automation administration using PowerShell.

Skills

ADFS

Identity infrastructure

PowerShell scripting

Cloud authentication protocols

Microsoft technologies

Education

Bachelor's degree in CS/IT

Tools

SAML 2.0

OAuth 2.0

OpenID Connect

WS-Federation

Microsoft Entra ID

PKI

Active Directory

Windows Server

Job description

Company description

Synapxe is the national HealthTech agency inspiring tomorrow's health. The nexus of HealthTech, we connect people and systems to power a healthier Singapore.
Together with partners, we create intelligent technological solutions to improve the health of millions of people every day, everywhere. Reimagine the future of health together with us at www.synapxe.sg

Job description

Position Overview

ADFS is not just another application; it is a mission-critical authentication service that provides access to critical healthcare systems such as NBS and NHIPS, supporting more than 20,000 users. Any outage, configuration error, certificate issue, or failed migration has the potential to disrupt access to essential business and clinical services across the healthcare ecosystem.

Synapxe is committed to investing in and developing the successful candidate. We are looking for an individual who is eager to learn, possesses strong analytical and structured thinking skills, and is able to apply these capabilities to application development and problem-solving. *This is a 2 years direct contract with Synapxe

Role & Responsibilities

• Co-design, deployment and administration of enterprise-scale ADFS infrastructure.
• Onboard, integrate, test and support Relying Parties using SAML 2.0, OAuth 2.0, OpenID Connect and WS-Federation.
• Integrate applications with Microsoft Entra ID for SSO, MFA and Conditional Access.
• Provide technical leadership for authentication, federation and claims-based access control.
• Manage certificates and trust relationships.
• Troubleshoot complex federation and identity issues.
• Experienced in automation administration using PowerShell.

Requirements

• Degree in Computer Science, IT or related field.
• 3-5 years of ADFS or identity infrastructure experience.
• Strong experience with Microsoft technologies will be an added advantage.
• Hands-on experience onboarding Relying Parties and federation protocols.
• Knowledge of AD DS, DNS, PKI, Windows Server and certificate management.
• Advanced PowerShell scripting skills.
• Relevant Microsoft certifications are advantageous.
• Open to do patching on weekend