System Manager (Windows) - Public Sector

NEWTONE CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NEWTONE CONSULTING PTE. LTD. seeks an experienced System Manager to lead operations, maintenance, security, and lifecycle management of mission-critical IT infrastructure supporting public sector systems.

You will manage engineering teams and vendors to ensure high availability, resilience, and compliance with Government ICT requirements, while advancing DR/BCP, security reviews, and ITIL-aligned processes.

Qualifications

• Degree in Computer Science, Information Technology, Engineering, or related discipline.
• Min 5-8 years of infrastructure/system management experience, including 5+ years leading technical teams or vendors.
• Strong experience with Windows Server, VMware, storage, backup/recovery, monitoring, and enterprise infrastructure.
• Experience with Microsoft Azure, hybrid cloud, and GCC environments is highly desirable.
• Good understanding of infrastructure security, vulnerability management, DR/BCP, and ITIL processes.
• Experience supporting Singapore Government, Defense, Healthcare, Statutory Boards, or regulated environments preferred.
• Certifications such as ITIL, Microsoft Azure, VMware VCP, CISSP/CISM, or PMP are advantageous.

Responsibilities

• Lead system operations, maintenance, and support across enterprise infrastructure and platform environments.
• Manage system availability, performance, capacity, SLA compliance, and technology lifecycle planning.
• Lead incident, problem, change, release, and configuration management based on ITIL practices.
• Oversee patching, vulnerability remediation, system hardening, security reviews, and technical risk management.
• Manage backup, Disaster Recovery (DR), Business Continuity (BCP) and recovery exercises.
• Ensure compliance with IM8, GCC, PDPA, cybersecurity policies, and government audit requirements.
• Provide technical oversight for infrastructure upgrades, architecture changes, migrations, and technology refresh initiatives.
• Manage vendors, support contracts, operational deliverables, and service performance.
• Lead and mentor System Engineers and infrastructure support teams.
• Provide management reporting on service performance, risks, incidents, capacity, and compliance.

Skills

Leadership

Vendor management

Stakeholder communication

Problem solving

ITIL practices

Education

Degree in CS/IT/Engineering

Tools

Windows Server

VMware

Microsoft Azure

Storage & backup

Monitoring tools

Job description

We are looking for an experiencedSystem Managerto lead the operations, maintenance, security, and lifecycle management of mission-critical IT infrastructure supporting public sector systems. You will manage engineering teams and vendors while ensuring high availability, operational resilience, and compliance with Government ICT requirements.

Key Responsibilities

• Lead system operations, maintenance, and support across enterprise infrastructure and platform environments.
• Manage system availability, performance, capacity, SLA compliance, and technology lifecycle planning.
• Leadincident, problem, change, release, and configuration managementbased on ITIL practices.
• Oversee patching, vulnerability remediation, system hardening, security reviews, and technical risk management.
• Managebackup, Disaster Recovery (DR), Business Continuity (BCP)and recovery exercises.
• Ensure compliance withIM8, GCC, PDPA, cybersecurity policies, and government audit requirements.
• Provide technical oversight for infrastructure upgrades, architecture changes, migrations, and technology refresh initiatives.
• Manage vendors, support contracts, operational deliverables, and service performance.
• Lead and mentor System Engineers and infrastructure support teams.
• Provide management reporting on service performance, risks, incidents, capacity, and compliance.

Requirements

• Degree in Computer Science, Information Technology, Engineering, or related discipline.
• Min 5-8 years of infrastructure/system management experience, including 5+ years leading technical teams or vendors.
• Strong experience withWindows Server, VMware, storage, backup/recovery, monitoring, and enterprise infrastructure.
• Experience withMicrosoft Azure, hybrid cloud, and GCC environmentsis highly desirable.
• Good understanding of infrastructure security, vulnerability management, DR/BCP, and ITIL processes.
• Experience supportingSingapore Government, Defense, Healthcare, Statutory Boards, or regulated environmentspreferred.
• Strong leadership, vendor management, stakeholder communication, and problem-solving skills.
• Certifications such asITIL, Microsoft Azure, VMware VCP, CISSP/CISM, or PMPare advantageous.