#EG Senior System Engineer

NCS; Singapore; On-site; SGD 110,000 - 150,000; Full time

Job summary

NCS in Singapore is seeking a Senior System Engineer to design, deploy, and maintain enterprise infrastructure across on-prem, hybrid cloud, and cloud-native deployments. You will manage Windows Server environments, Active Directory, and virtualization platforms while applying security best practices and ensuring high availability.

You will develop automation with PowerShell and IaC, perform patching, DR planning, and capacity assessments, and mentor junior teammates as part of a collaborative

Qualifications

• 8+ years in system administration and infrastructure management.
• Strong Windows Server and Active Directory expertise.
• Experience with virtualization (VMware vSphere/Hyper‑V).
• Knowledge of DNS, DHCP, IIS, and file/print services.
• Backup, DR, and high-availability design and implementation.
• PowerShell scripting and automation.
• Patch management and monitoring tools (SCCM/WSUS).
• Cybersecurity, hardening, and compliance awareness.
• Excellent documentation and cross-team collaboration.

Responsibilities

• Design, deploy, and manage enterprise system infrastructure across environments.
• Administer Windows Server, AD, policy, and related services.
• Manage virtualization platforms and optimize VM performance.
• Monitor performance, analyze metrics, and optimize efficiency.
• Develop and maintain backup and disaster recovery solutions.
• Implement patching, security updates, and hardening procedures.
• Create IaC scripts and automation to streamline tasks.
• Troubleshoot complex issues and provide incident resolution.
• Collaborate with IT, security, and stakeholders to ensure compliance.
• Document configurations, decisions, and best practices.
• Provide technical leadership and mentorship to junior staff.
• Vendor management and evaluation of new technologies.

Skills

Analytical thinking

Problem-solving

Team collaboration

Documentation skills

Leadership / mentorship

Tools

Windows Server

Active Directory

VMware vSphere

Hyper-V

DNS & DHCP

IIS

PowerShell

SCCM/WSUS

Patch management

IT security best practices

Job 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 an analytical and detail-oriented Senior System Engineer to join our dynamic team in Singapore. In this role, you will be responsible for designing, implementing, and maintaining comprehensive system infrastructure that supports our enterprise operations. The ideal candidate will demonstrate exceptional organizational skills, innovative thinking, and a commitment to system reliability and performance. You will work collaboratively with cross-functional teams to ensure our infrastructure meets current and future organizational needs while maintaining the highest standards of security and efficiency.

• Design, deploy, and manage enterprise system infrastructure across multiple environments, including on-premises, hybrid cloud, and cloud-native deployments
• Administer and maintain Windows Server environments, Active Directory, Group Policy, and related infrastructure services
• Manage virtualization platforms (VMware/Hyper‑V) and optimize virtual machine performance and resource allocation
• Monitor system performance, analyze metrics, and implement optimization strategies to ensure peak operational efficiency
• Develop and maintain comprehensive backup and disaster recovery solutions to ensure business continuity and resilience
• Implement and manage patch management processes, security updates, and system hardening procedures in compliance with organizational policies
• Create and maintain PowerShell scripts, Infrastructure as Code (IaC) tools, and automation solutions to streamline routine administrative tasks
• Troubleshoot complex system issues and provide technical support to resolve infrastructure problems with decisiveness and transparency
• Collaborate with IT teams, security personnel, and stakeholders to ensure compliance with security policies, industry standards, and best practices
• Participate in capacity planning, infrastructure upgrades, and technology assessments to support organizational growth and innovation
• Document system configurations, procedures, architectural decisions, and best practices for knowledge management and team reference
• Provide technical leadership and mentorship to junior team members, fostering a collaborative and supportive environment
• Manage vendor relationships and evaluate emerging technologies to enhance system capabilities and efficiency

Qualifications

Required Qualifications:

• 8+ years of hands‑on experience in system administration and infrastructure management
• Strong expertise with Windows Server 2016/2019/2022 and Active Directory environments
• Proficiency in virtualization technologies (VMware vSphere or Hyper‑V)
• Solid knowledge of DNS, DHCP, IIS, and file/print services
• Experience designing and implementing backup and disaster recovery solutions
• Proficiency in PowerShell scripting and automation
• Knowledge of patch management and monitoring tools (SCCM, WSUS, or equivalent)
• Understanding of cybersecurity best practices, system hardening, and compliance requirements
• Experience in high‑availability and disaster recovery environments
• Strong analytical and problem‑solving skills with the ability to troubleshoot complex infrastructure issues
• Excellent organizational and documentation skills
• Demonstrated ability to work collaboratively in team environments

Preferred Qualifications:

• Experience with cloud infrastructure platforms (Microsoft Azure, AWS, or Google Cloud Platform)
• Familiarity with Infrastructure as Code (IaC) tools and practices
• Knowledge of monitoring and logging solutions (ELK Stack, Splunk, Prometheus, or similar)
• Experience with IT Service Management (ITIL) frameworks
• Vendor management and technical leadership experience
• Network infrastructure and security knowledge
• Relevant certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, VMware Certified Associate, or equivalent
• Experience with incident management and change management processes

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.