System Engineer (Windows AD Server & SCCM)

NCS Pte Ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

NCS is seeking a detail-oriented System Engineer in Singapore to manage Windows Active Directory and SCCM within our IT infrastructure team. You will design, deploy, and maintain AD, domain controllers, forests, and GPOs to ensure security and reliability across our enterprise systems.

Collaborate with IT colleagues to optimize deployments, automate tasks with PowerShell, document configurations, and participate in disaster recovery planning.

Qualifications

• 5+ years of hands-on experience administering Windows Server environments and Active Directory infrastructure.
• Advanced proficiency with System Center Configuration Manager (SCCM) for software deployment and patch management.
• Strong expertise in Active Directory administration, including user management, group policies, and security configurations.
• Solid understanding of Windows Server operating systems and enterprise IT infrastructure.
• Proficiency with PowerShell scripting for automation and system administration tasks.
• Experience with identity and access management (IAM) principles and best practices.
• Demonstrated ability to troubleshoot complex system issues and implement effective solutions.
• Strong organizational and documentation skills with attention to detail.
• Excellent analytical and problem-solving abilities.
• Experience with disaster recovery planning and business continuity procedures.
• Preferred: Microsoft certifications (MCSA, MCSE, or equivalent) related to Windows Server or Active Directory.
• Preferred: Experience with hybrid cloud environments or Azure Active Directory integration.

Responsibilities

• Design, implement, and maintain Windows Active Directory infrastructure, including domain controllers, forests, and organizational units.
• Administer and optimize System Center Configuration Manager (SCCM) for software deployment, patch management, and system compliance.
• Manage user and computer accounts, group policies, and access controls within Active Directory environments.
• Monitor system performance, security, and health; identify and resolve issues proactively.
• Plan and execute software deployments, updates, and patches using SCCM to minimize downtime.
• Develop and maintain comprehensive documentation for system configurations, procedures, and disaster recovery plans.
• Collaborate with IT teams to troubleshoot complex infrastructure issues and implement solutions.
• Ensure compliance with security policies and industry standards across Windows Server environments.
• Perform regular system audits and optimization to maintain efficiency and security.
• Provide technical support and guidance to junior IT staff and end-users on system-related matters.

Skills

Active Directory administration

IAM concepts

PowerShell scripting

Troubleshooting

Documentation

Analytical thinking

Education

5+ years Windows Server/AD administration

Microsoft certifications (MCSA/MCSE) preferred

Tools

SCCM

PowerShell

Azure Active Directory

Windows Server

Job description

Date: 2026-08-18

Company: NCS

Job Requisition ID: 171958

Company Description

NCS is a leading technology services firm that operates across the Asia Pacific region in over 20 cities, providing consulting, digital services, technology solutions, and more. We believe in harnessing the power of technology to achieve extraordinary things, creating lasting value and impact for our communities, partners, and people. Our diverse workforce of 15,000 has delivered large-scale, mission-critical, and multi-platform projects for governments and enterprises in Singapore and the APAC region.

Job Description

We're looking for a detail-oriented and analytical System Engineer specializing in Windows Active Directory and SCCM to join our IT infrastructure team in Singapore. In this role, you will be responsible for managing, maintaining, and optimizing our Windows Server environments and enterprise system deployment infrastructure. You will work efficiently to ensure seamless operations, security compliance, and reliable system performance across our organization.

• Design, implement, and maintain Windows Active Directory infrastructure, including domain controllers, forests, and organizational units
• Administer and optimize System Center Configuration Manager (SCCM) for software deployment, patch management, and system compliance
• Manage user and computer accounts, group policies, and access controls within Active Directory environments
• Monitor system performance, security, and health; identify and resolve issues proactively
• Plan and execute software deployments, updates, and patches using SCCM to minimize downtime
• Develop and maintain comprehensive documentation for system configurations, procedures, and disaster recovery plans
• Collaborate with IT teams to troubleshoot complex infrastructure issues and implement solutions
• Ensure compliance with security policies and industry standards across Windows Server environments
• Perform regular system audits and optimization to maintain efficiency and security
• Provide technical support and guidance to junior IT staff and end-users on system-related matters

Qualifications

• 5+ years of hands-on experience administering Windows Server environments and Active Directory infrastructure
• Advanced proficiency with System Center Configuration Manager (SCCM) for software deployment and patch management
• Strong expertise in Active Directory administration, including user management, group policies, and security configurations
• Solid understanding of Windows Server operating systems and enterprise IT infrastructure
• Proficiency with PowerShell scripting for automation and system administration tasks
• Experience with identity and access management (IAM) principles and best practices
• Demonstrated ability to troubleshoot complex system issues and implement effective solutions
• Strong organizational and documentation skills with attention to detail
• Excellent analytical and problem-solving abilities
• Experience with disaster recovery planning and business continuity procedures
• Preferred: Microsoft certifications (MCSA, MCSE, or equivalent) related to Windows Server or Active Directory
• Preferred: Experience with hybrid cloud environments or Azure Active Directory integration

Additional Information

We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity—and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, we make the extraordinary happen.

Learn more about us at ncs.co and visit our LinkedIn career site.

We are driven by our AEIOU beliefs—Adventure, Excellence, Integrity, Ownership, and Unity and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, we make the extraordinary happen.

Learn more about us at ncs.co and visit our LinkedIn career site.