System Administrator in Singapore who runs and secures the company's Microsoft environment (Intune, Defender, identity/access), manages Windows and macOS endpoints, and supports AWS/Azure infrastructure, backups, and automation, while maintaining controls and documentation for MAS TRM, SOC 2, and ISO 27001 compliance.
You will administer Microsoft and endpoint environments, manage user access and device configurations, and strengthen endpoint security. You will automate operational processes, support AWS and Azure infrastructure, maintain backup and continuity procedures, and implement technology controls, documentation, and remediation work for security and compliance requirements.
Responsibilities
Administer and optimise the Microsoft environment, including Intune, Microsoft Defender, and identity and access controls
Manage Windows and macOS endpoints, device configurations, security policies, and application deployment
Manage user identities, permissions, access provisioning, and de-provisioning
Maintain secure and reliable technology systems
Manage endpoint protection, patching, vulnerability remediation, and security configurations
Monitor system health and security alerts and coordinate incident responses
Perform root cause analysis and implement corrective actions
Improve system security, reliability, and resilience
Automate repetitive administration and operational processes
Improve device deployment, access management, monitoring, and reporting workflows
Maintain system configurations, runbooks, and technical documentation
Support AWS and Azure cloud environments
Support network, virtualisation, and containerised environments
Maintain and test backup, recovery, and business continuity processes
Support controls aligned with MAS TRM, SOC 2, and ISO 27001
Maintain technology-risk and security-control evidence and documentation
Work on assessments and remediation with Security, Risk, Compliance, and external auditors
Translate regulatory and security requirements into technical controls
Requirements
Experience as a systems administrator, IT systems engineer, cloud administrator, endpoint engineer, or similar
Experience with Microsoft Intune and the Microsoft security ecosystem
Experience managing Windows and macOS environments
Understanding of identity and access management, endpoint security, networking, patching, and vulnerability management
Experience with AWS or Azure
Familiarity with PowerShell, Bash, or Python
Experience with SOC 2, ISO 27001, or MAS TRM is advantageous
Troubleshooting skills
Communication skills
Experience in fintech, financial services, digital assets, or a regulated technology environment is a plus