System Manager (Public Sector Project)

Assuritz Infosec; Singapore; On-site; SGD 150,000 - 230,000; Full time

Job summary

Assuritz Infosec is seeking a System Manager to lead enterprise IT operations, governance and security for government-facing systems in Singapore. You will drive maintenance, resilience and compliance with IM8, GCC, PDPA and CSA requirements while guiding engineering teams and coordinating with vendors.

You will oversee incident, change and configuration processes per ITIL, manage DR planning and backups, and ensure service levels meet SLAs/OLAs for mission-critical platforms.

Qualifications

• Bachelor degree in IT, CS, engineering or related field.
• Minimum 10 years in IT infrastructure and systems management.
• At least 5 years leading technical teams or managed services.
• Experience supporting Singapore Government or regulated environments preferred.
• Strong Windows Server, virtualization, storage, backup and cloud experience.

Responsibilities

• Lead operations, governance, delivery, maintenance and security of enterprise IT systems.
• Ensure systems are secure, available, resilient, and compliant with policies.
• Provide leadership to engineering teams and manage vendors and stakeholders.
• Oversee incident, change, release, problem and configuration management per ITIL.
• Manage vulnerability remediation, patching, hardening and risk mitigation.
• Oversee DR planning, BC/testing, backups and recovery exercises.
• Approve system architectures, upgrade plans and technology refresh.
• Manage outsourced vendors and service delivery performance.
• Coordinate audits, vulnerability assessments and penetration tests.

Skills

IT infrastructure

Leadership

Cloud technologies

Vendor & stakeholder management

Governance & compliance

Education

Bachelor Degree in Information Technology or related discipline

Tools

Windows Server

Azure

VMware vSphere

Backup solutions

ITIL/ITSM tools

Job description

Role Summary

The System Manager is responsible for leading the operations, governance, delivery, maintenance, security, and continuous improvement of mission-critical IT systems supporting government agencies. The role ensures enterprise systems remain secure, available, resilient, and compliant with Government ICT policies, including IM8, Government on Commercial Cloud (GCC) requirements, PDPA, and agency-specific standards. The System Manager provides leadership to engineering teams, manages vendors and stakeholders, and oversees service delivery throughout the system lifecycle.

Key Responsibilities

• Lead and manage system administration, operations, maintenance, and support services for enterprise infrastructure and platform environments.
• Develop system management strategies, operational roadmaps, and lifecycle plans aligned with agency objectives.
• Ensure compliance with IM8, GCC, PDPA, cybersecurity directives, audit requirements, and government governance frameworks.
• Oversee system availability, performance, capacity, resiliency, and service levels against agreed SLA and OLA targets.
• Lead incident, problem, change, release, and configuration management processes based on ITIL practices.
• Manage vulnerability remediation, patch management, hardening, security reviews, and technical risk mitigation activities.
• Oversee disaster recovery planning, business continuity exercises, backup management, and recovery testing.
• Provide technical governance and approval of system architectures, upgrade plans, and technology refresh initiatives.
• Manage outsourced vendors, support contracts, project deliverables, and operational performance reviews.
• Coordinate audits, compliance assessments, vulnerability assessments, and penetration testing activities.
• Provide leadership, mentorship, and capability development for System Engineers and infrastructure teams.
• Prepare management reports, risk assessments, service dashboards, and executive updates.

Government & Compliance Knowledge

• Instruction Manual 8 (IM8)
• Government on Commercial Cloud (GCC)
• Personal Data Protection Act (PDPA)
• Cyber Security Agency (CSA) requirements
• ITIL Framework
• Government ICT Governance and Audit Requirements

Required Qualifications & Experience

• Bachelor Degree in Information Technology, Computer Science, Engineering, or related discipline.
• Minimum 10 years of IT infrastructure and systems management experience.
• At least 5 years of experience leading technical teams, vendors, or managed services.
• Experience supporting Singapore Government, Statutory Board, Healthcare, Defence, or regulated environments preferred.
• Strong experience in Windows Server environments, virtualization platforms, storage systems, backup solutions, and cloud technologies.
• Experience managing Azure and Government on Commercial Cloud (GCC) environments.

Preferred Certifications

• ITIL Managing Professional or ITIL Foundation
• Microsoft Certified Azure Administrator / Solutions Architect
• VMware Certified Professional (VCP)
• CISSP or CISM
• Project Management Professional (PMP)

Technical Competencies

• Windows Server 2019/2022/2025 Administration
• Microsoft Azure and Hybrid Cloud
• VMware vSphere
• SolarWinds or Enterprise Monitoring Platforms
• Fibre Channel SAN Storage
• Enterprise Backup and Recovery Solutions
• SQL Server Administration and Troubleshooting
• Infrastructure Automation and Scripting
• IT Service Management (ITIL)