System Administrator
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Summary
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