Senior ICT Infrastructure Engineer

USER EXPERIENCE RESEARCHERS PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

USER EXPERIENCE RESEARCHERS PTE. LTD. is seeking an experienced Windows ICT Infrastructure Engineer to design, implement and support Windows server infrastructure, with a focus on automation and AI-assisted engineering.

You will translate business requirements into robust solutions and ensure compliance with security policies and IT standards. The role requires hands-on expertise, collaboration with service providers and operations staff to deliver resilient infrastructure for critical business

Qualifications

• Hands-on experience in Windows infrastructure and Active Directory.
• Experience designing, implementing and maintaining Windows server environments.
• Automation and AI-assisted engineering in infrastructure operations.
• Strong scripting and runbook development skills.

Responsibilities

• Design, implement and manage Windows infrastructure to meet availability and security requirements.
• Translate business needs into Windows infrastructure solutions and capacity plans.
• Provision, configure and maintain Windows virtual machines and services.
• Lead automation initiatives to reduce repetitive manual tasks and improve reliability.
• Develop and maintain automation scripts and runbooks (PowerShell) and validate outputs before production.
• Collaborate with application teams and service providers to support production operations.

Skills

Windows infrastructure

Active Directory

PowerShell scripting

AI tooling

Tools

PowerShell

Job description

We are seeking an experienced Windows ICT Infrastructure Engineer with strong hands-on experience in Windows infrastructure, Microsoft Active Directory, technical automation and the practical application of AI tools to infrastructure operations. The successful candidate will be responsible for designing, implementing, managing and supporting Windows server infrastructure, while actively driving operational efficiency through automation and AI‑assisted engineering. The engineer will identify repetitive operational activities that can be automated, develop and maintain automation scripts and runbooks, and apply AI tools to support troubleshooting, analysis and operational improvement. This role requires a hands‑on engineer who can translate business and operational requirements into robust Windows infrastructure solutions while ensuring compliance with applicable technical standards, security requirements and IT policies. The position involves close collaboration with service providers, application teams and operations staff to deliver resilient and supportable Windows infrastructure for critical business applications.

Key Responsibilities:

Windows Infrastructure Engineering

• Design, implement and manage Windows infrastructure to meet availability, continuity, security and capacity requirements.
• Translate business and application requirements into appropriate Windows infrastructure solutions.
• Provision, configure and maintain Windows virtual machines and supporting services.
• Support infrastructure architecture reviews, implementation planning, testing and operational readiness.
• Perform capacity planning, lifecycle management, maintenance, performance monitoring and troubleshooting.
• Act as the primary Windows infrastructure technical point of contact for new application and infrastructure initiatives.
• Work closely with application teams, infrastructure teams and service providers to resolve technical issues and support production operations.

AI & Technical Automation

• Drive Windows infrastructure operations and day-to-day task efficiencies through technical automation, with a focus on reducing repetitive manual activities and improving operational consistency.
• Design, develop, test and maintain PowerShell scripts and automation runbooks for Windows infrastructure administration and operations.
• Automate operational activities such as server provisioning and configuration, Active Directory administration, configuration and hardening checks, health checks, log collection, troubleshooting, reporting and remediation.
• Experience in deploying and working with AI tools applied to Windows infrastructure operations, including AI‑assisted scripting and troubleshooting, log and event analysis, anomaly detection and operational automation.
• Use AI‑assisted development tools to accelerate the development, testing and documentation of scripts and automation, while ensuring outputs are technically validated before production use.
• Identify suitable operational use cases and progressively convert manual procedures into controlled, repeatable and supportable automation runbooks.
• Develop automation with appropriate validation, logging, exception handling, security controls and rollback considerations.
• Maintain automation scripts and configuration artefacts using appropriate version‑control and change‑management practices.
• Continually identify opportunities where AI and automation can improve infrastructure reliability, troubleshooting effectiveness and operational efficiency.

Microsoft Active Directory & Windows Platform

• Strong hands‑on knowledge and experience are required in:
• Microsoft Active Directory administration and troubleshooting.
• Active Directory backup and recovery.
• Group Policy creation, implementation and troubleshooting.
• Active Directory migration and upgrade planning.
• Windows authentication and authorization mechanisms.
• Active Directory Sites and Services design and configuration.
• Enterprise Active Directory and Remote Desktop Services integration.
• Windows Server roles and features including DNS, DHCP and Certificate Services.
• Windows clustering and high‑availability configurations.
• PowerShell scripting and automation.
• Windows security hardening and configuration management.
• Troubleshooting complex Windows Server and Active Directory issues.

Security, Governance & Operational Readiness

• Ensure Windows infrastructure solutions comply with applicable technical architecture standards, government ICT frameworks and relevant IT policies.
• Ensure automation is appropriately tested, documented and implemented through established change‑management processes.
• Maintain technical documentation, operational procedures and automation runbooks.
• Support operational readiness and knowledge transfer to operations teams and service providers.
• Ensure Windows infrastructure configurations remain secure, controlled and supportable throughout their lifecycle.

Desired Skills and Experience

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