Full-timeTech & engineering· Posted 23 Sept

Manager, IT Infrastructure

SMRTFrom company site

Salary

Not stated by the company

When

Full-time hours

Where

Singapore

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Start: Not stated
Work mode: On-site
Experience: Experienced

About the role

This role leads system operations for a large rail operator, keeping servers and infrastructure available, secure and well maintained. You will work alongside cloud, application, security and business teams to keep IT services stable and reliable. It suits an experienced infrastructure or security operations professional who is comfortable leading incident response and managing multiple priorities.

What you'll do

Manage and maintain Linux and Windows server environments across physical, virtual and cloud setups
Keep servers and related infrastructure highly available and performing well
Monitor system health, capacity and resource use
Administer Active Directory, Group Policy, DNS, DHCP and file services
Run Linux services such as Apache, Nginx, SSH, Samba and database servers

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Apply and maintain system hardening standards

Handle patch management and vulnerability remediation on time

Manage privileged access controls and security configurations

Support compliance requirements, audits and security assessments

Monitor and respond to security incidents affecting servers and infrastructure

Set up proactive monitoring and alerting

Lead incident response, troubleshooting and root cause analysis

Coordinate major incident management and service restoration

Prepare post-incident reports and corrective action plans

Manage backup solutions and data recovery procedures, including validation and restoration testing

Develop and maintain disaster recovery and business continuity plans, meeting RPO/RTO objectives

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

Good to know

Based in Singapore

Requirements

Bachelor's degree in Information Technology, Computer Science or a related field
Experience in SOC operations and incident response
Strong knowledge of server operations, incident response, vulnerability management, network technologies, identity and access management, and cloud security
Hands-on experience with Azure, AWS, Google Cloud, Linux and Windows
5–8 years in cybersecurity or IT security operations
At least 3–5 years in a leadership role

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Manager, IT Infrastructure

About the role

What you'll do

Good to know

Requirements

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