全职 Active Directory Engineer 工作, 薪水 up to SGD 8,000, NTT Singapore Pte Ltd 公司招聘中 - Ricebowl

Active Directory Engineer

Contract Duration - 12 months renewable

Job Description

• Manage and support Active Directory infrastructure, including Group Policy, DNS, DHCP, and replication.
• Implement and maintain Microsoft 365 integration with Active Directory, including hybrid identity solutions.
• Configure and support ADFS and related federation services for secure authentication and SSO.
• Design and maintain Tier-0 AD architecture, ensuring security and segregation of privileged access.
• Administer and maintain Windows Server environments, including patching, performance tuning, and troubleshooting.
• Administer and maintain the Certificate Authority (CA) server
• Participate in infrastructure projects, including upgrades, migrations, and automation initiatives.
• Monitor system performance and availability and respond to incidents and service requests.
• Collaborate with security and compliance teams to ensure adherence to policies and standards.
• Document procedures, configurations, and changes in accordance with ITIL practices.

Requirement

• Minimum 5 years of experience in Windows Infrastructure administration.
• Strong knowledge of Active Directory, including forest/domain design, OU structure, and GPOs.
• Experience with Microsoft 365 integration, including Azure AD Connect and hybrid identity.
• Hands-on experience with ADFS and federation services.
• Familiarity with Tier-0 AD architecture and privileged access management.
• Experience managing Certificate Authority servers and understanding of PKI concepts.
• Proficiency in PowerShell scripting for automation and administration tasks.
• Understanding of networking fundamentals (TCP/IP, DNS, DHCP, Certificate Authority).
• Excellent problem-solving and communication skills.
• Microsoft certifications (e.g., MCSE, MS-102, AZ-800/801).
• Experience with identity governance and privileged access tools (e.g., CyberArk).
• Exposure to cloud platforms such as Azure or AWS.
• Familiarity with ITIL framework and change management processes.