Senior IT Infrastructure & Systems Manager (Deputy)

GREENLANE PRIVATE LTD.

Singapore

On-site

SGD 120,000 - 180,000

Full time

14 days+

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Job summary

GREENLANE PRIVATE LTD. in Singapore is seeking an experienced IT Infrastructure & Systems Manager (Deputy Manager) to ensure the stability, security, availability and lifecycle management of the organisation's IT infrastructure and systems.

You will lead maintenance across servers, storage and data centres, administer Windows and Linux servers, manage Exchange, coordinate with Head Office and overseas IT teams, and drive incident response, DR testing, capacity planning, and IT compliance.

Qualifications

Bachelor's Degree in Computer Science, Information Technology, Computer Engineering, or a related discipline.
Minimum 8 years of relevant experience in System Administration, IT Infrastructure, Infrastructure Engineering, or Systems Management.
Strong hands-on experience administering Microsoft Windows Server and Linux servers.
Proven experience managing Microsoft Exchange administration and maintenance.
Practical knowledge of IT Disaster Recovery, Business Continuity Planning, backup and restoration, patch management, and infrastructure security.
Strong knowledge of IT incident, problem, and change management processes.
Experience in infrastructure capacity planning, technology refresh, and lifecycle management.
Strong stakeholder management, collaboration, and problem-solving skills to work effectively across business and technology teams.
Self-motivated with a strong learning mindset and ability to independently acquire new technical knowledge.
Strong Chinese language communication skills, both written and spoken, to communicate effectively with Head Office colleagues.

Responsibilities

Manage and maintain IT infrastructure including servers, storage, data centre facilities, and related systems across production and DR environments to ensure operational stability.
Perform routine server room and data centre health checks, coordinating with external vendors to maintain infrastructure availability.
Administer and maintain Linux and Windows servers, storage systems, and associated infrastructure in production and DR environments.
Manage Microsoft Exchange infrastructure to ensure system availability, maintenance, and optimal performance.
Lead incident, problem, and change management processes by resolving major incidents promptly, conducting root-cause analysis, and implementing corrective actions.
Establish, maintain, and review IT Disaster Recovery and Business Continuity Plans, coordinating and conducting DR exercises and testing for critical systems.
Implement infrastructure security measures including vulnerability and patch management, backup operations, and IT compliance in line with Group IT standards and regulatory requirements.
Monitor infrastructure capacity and performance; lead capacity planning, technology refresh, and IT infrastructure lifecycle management to support business needs and reduce operational risks.
Manage the annual IT infrastructure budget, overseeing both capital expenditure (CAPEX) and operating expenditure (OPEX).
Provide day-to-day IT infrastructure and systems support to business departments, collaborating with application, security, network, and other technology teams.
Coordinate with Head Office and overseas IT teams, vendors, and stakeholders on infrastructure projects, system maintenance, and technical issues.
Identify and implement improvements to IT infrastructure reliability, operational efficiency, automation, and service quality.
Perform other IT infrastructure and systems-related duties and projects as assigned