Senior Active Directory Architect | Remote (Singapore)

Sonata Software; Singapore; Remote; SGD 170,000 - 250,000; Full time

Job summary

Sonata Software is seeking an experienced Active Directory Customer Engineer/Architect to lead advanced identity and access management initiatives for large enterprises. The role emphasizes AD DS, GPO, DNS, and hybrid identity with Azure Entra ID, delivering design, deployment, and advisory services from a remote Singapore-based setting.

You will work with customers to troubleshoot, migrate, and modernize Active Directory estates, while providing guidance on security and privileged access

Qualifications

• 15+ years of experience in enterprise identity and access management.
• Deep expertise in AD DS, Group Policy, DNS, and Azure AD/Entra ID.
• Strong troubleshooting, deployment, and advisory capabilities.
• Experience with hybrid cloud identity architectures.
• Excellent collaboration with cross-functional teams.

Responsibilities

• Provide advanced technical support for Active Directory infrastructure in enterprise environments.
• Troubleshoot and resolve AD DS, Domain Controllers, GPO, DNS/DHCP issues.
• Perform root cause analysis and drive resolution for complex identity-related incidents.
• Support Hybrid Identity environments integrating Active Directory with Azure AD.
• Configure and troubleshoot Pass-through Authentication.
• Assist customers with AD migration, consolidation, and modernization projects.
• Provide guidance on identity security and privileged access management.
• Create technical documentation and deployment guides.
• Collaborate with Microsoft, security, and application teams to resolve critical issues.
• Participate in on-call and escalation support rotations.

Skills

Active Directory

Group Policy

DNS

DHCP

Replication

Sites and Services

FSMO Roles

LDAP/LDAPS

Azure AD

Job description

Sonata Software is seeking an experienced Active Directory Customer Engineer/Architect to lead advanced identity and access management initiatives for large enterprises. The role emphasizes AD DS, GPO, DNS, and hybrid identity with Azure Entra ID, delivering design, deployment, and advisory services from a remote Singapore-based setting.

You will work with customers to troubleshoot, migrate, and modernize Active Directory estates, while providing guidance on security and privileged access