Computer Systems Engineer

lee say group pte. ltd. • singapore, singapore • Posted June 14, 2026

About the Role

Primary Responsibilities Infrastructure Management . Install, configure, maintain and troubleshoot servers, networks, virtualization platforms and IT infrastructure (on-premise and cloud where applicable) . Monitor system performance, availability and capacity to ensure services meet agreed service levels . Perform ongoing monitoring of system logs, security alerts and performance metrics, and resolve technical issues proactively . Participate in capacity planning, system upgrades, infrastructure refresh projects and disaster recovery testing Security & Backup . Test, deploy and maintain security patches and updates for operating systems, servers, network devices and critical systems . Support and maintain IT security practices, including endpoint protection, access control, system hardening and vulnerability remediation . Maintain and improve backup, disaster recovery and redundancy strategies to ensure business continuity Cloud & System Improvement . Support Microsoft 365 / cloud ser...