Senior Enterprise Systems Engineer & Infrastructure Automation

NCS Group; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

NCS Group is seeking an experienced Senior IT Infrastructure Administrator to design, deploy, and manage enterprise infrastructure across on‑premises, hybrid, and cloud environments in Singapore. You will administer Windows Server and Active Directory, optimize virtualization, and implement robust backup and disaster recovery solutions.

The role requires 8+ years in system administration, strong scripting with PowerShell, and hands‑on experience with patch management, security hardening, and

Qualifications

• 8+ years hands-on system administration and infrastructure management.
• Strong Windows Server 2016/2019/2022 and Active Directory expertise.
• Proficiency in virtualization technologies (VMware vSphere or Hyper‑V).
• DNS, DHCP, IIS, and file/print services experience.
• Experience designing and implementing backup and disaster recovery solutions.
• 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.

Responsibilities

• 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 & supportive environment.
• Manage vendor relationships and evaluate emerging technologies to enhance system capabilities and efficiency.

Skills

Windows Server

Active Directory

VMware vSphere

Hyper-V

PowerShell scripting

Backup and DR

SCCM/WSUS

IT security/compliance

Documentation and process

High availability

Tools

DNS

DHCP

IIS

Job description

NCS Group is seeking an experienced Senior IT Infrastructure Administrator to design, deploy, and manage enterprise infrastructure across on‑premises, hybrid, and cloud environments in Singapore. You will administer Windows Server and Active Directory, optimize virtualization, and implement robust backup and disaster recovery solutions.

The role requires 8+ years in system administration, strong scripting with PowerShell, and hands‑on experience with patch management, security hardening, and