System manager

We are looking for an experienced  System Manager  to 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. 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.

Requirements Degree in Computer Science, Information Technology, Engineering, or related discipline. 10+ 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, Defence, Healthcare, Statutory Boards, or regulated environments  preferred. Strong leadership, vendor management, stakeholder communication, and problem-solving skills. Certifications such as  ITIL, Microsoft Azure, VMware VCP, CISSP/CISM, or PMP  are advantageous.