Windows ICT Infrastructure Engineer

RAPSYS TECHNOLOGIES PTE. LTD.Singaporemycareersfuturepublished 10/21/2026
Must-have:AISecurityRemote

Your tasks

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.
  • Continuously identify opportunities where AI and automation can improve infrastructure reliability, troubleshooting effectiveness and operational efficiency.

Security, Governance & Operational Readiness

  • Ensure Windows infrastructure solutions comply with the Authority's Technical Architecture, SG-TRM, IM8 and applicable Authority 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.

Requirements

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 authorisation mechanisms.
  • Active Directory Sites and Services design and configuration.
  • GCC 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.

Desired Skills and Experience

  • Strong hands-on experience in Windows Server and Microsoft Active Directory engineering.
  • Strong PowerShell scripting and technical automation capabilities.
  • Demonstrated experience automating Windows infrastructure administration and operational activities.
  • Practical experience using AI tools in infrastructure operations, including AI-assisted troubleshooting, scripting, analysis or anomaly detection.
  • Experience with AIOps, infrastructure automation or configuration automation platforms would be advantageous.
  • Ability to identify manual operational processes and translate them into reliable and maintainable automation.
  • Strong infrastructure troubleshooting and root-cause-analysis skills.
  • Experience supporting infrastructure with high availability, security and governance requirements.
  • Ability to work effectively with internal teams and external service providers.