IT Infrastructure Manager: Reliability, Security & Cloud Ops

SMRT Corporation, Ltd.; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Job summary

SMRT Corporation Ltd in Singapore seeks a Manager, IT Infrastructure to lead Windows/Linux server operations, cloud platforms, and security hardening. You will drive incident response, monitoring, and capacity planning to ensure reliable, secure IT services across on‑premises, cloud, and virtual environments.

The role collaborates with cloud, application, and security teams to maintain high availability, optimize costs, and implement robust disaster recovery and business continuity plans.

Qualifications

• Bachelor’s degree in IT, CS or related field.
• Experience in SOC operations and incident response.
• Hands-on experience with Azure, AWS, Google Cloud, Linux and Windows.

Responsibilities

• Manage and maintain Linux and Windows server environments (physical, virtual, and cloud).
• Ensure high availability and optimal performance of servers and related infrastructure.
• Monitor system health, capacity, and resource utilization.
• Manage Active Directory, Group Policy, DNS, DHCP, and file services.
• Administer Linux services such as Apache, Nginx, SSH, Samba, and databases.
• Implement and maintain system hardening standards.
• Ensure timely patch management and vulnerability remediation.
• Manage privileged access controls and security configurations.
• Support compliance requirements, audits, and security assessments.
• Monitor and respond to security incidents affecting servers and infrastructure.
• Establish proactive monitoring and alerting mechanisms.
• Lead incident response, troubleshooting, and root cause analysis.
• Coordinate major incident management and service restoration activities.
• Prepare post-incident reports and corrective action plans.
• Manage backup solutions and data recovery procedures.Conduct regular backup validation and restoration testing.
• Develop and maintain disaster recovery and business continuity plans.
• Ensure recovery objectives (RPO/RTO) are met.
• Manage cloud platforms such as Microsoft Azure, Amazon Web Services, or Google Cloud.
• Administer virtualization platforms such as VMware, Microsoft Hyper‑V, and container platforms.
• Monitor cloud costs and optimize infrastructure utilization.

Skills

Cybersecurity operations

Leadership

Analytical thinking

Crisis management

Stakeholder management

Communication skills

Time management

Education

Bachelor’s degree in IT/CS

Tools

Azure

AWS

Google Cloud

VMware

Hyper-V

Job description

SMRT Corporation Ltd in Singapore seeks a Manager, IT Infrastructure to lead Windows/Linux server operations, cloud platforms, and security hardening. You will drive incident response, monitoring, and capacity planning to ensure reliable, secure IT services across on‑premises, cloud, and virtual environments.

The role collaborates with cloud, application, and security teams to maintain high availability, optimize costs, and implement robust disaster recovery and business continuity plans.