Full Time Systems Engineer (Red Hat) — AMK Jobs, Salary up to SGD 4,200 in COMBUILDER PTE LTD Central Region (Singapore) - Maukerja

Responsibilities

• Administer and maintain Red Hat Enterprise Linux (RHEL), Windows servers and VMware vSphere/ESXi environments.

• Perform system installation, configuration, patching, upgrades and security hardening.

• Monitor system health and performance, analyse logs, troubleshoot incidents and conduct root cause analysis.

• Plan and support infrastructure migrations, upgrades and capacity requirements.

• Manage SAN/NAS storage, backups and recovery to meet operational requirements.

• Administer Active Directory, DNS, DHCP, Group Policy and related services.

• Ensure compliance with cybersecurity requirements and maintain system documentation and change records.

• Work with technical and project teams to support daily operations and infrastructure initiatives.

• Participate in a monthly on-call roster supporting a 24/7 environment.

Requirements

• Diploma or degree in Computer Science, Information Technology or a related discipline.

• Minimum 4–5 years of experience in infrastructure support or systems administration.

• Hands-on experience with Red Hat Enterprise Linux (RHEL) and VMware vSphere/ESXi.

• Experience with Windows Server, Active Directory, DNS, DHCP and Group Policy.

• Knowledge of security hardening, system monitoring, troubleshooting, storage, backup and recovery.

• Good communication and problem-solving skills, with the ability to work independently and in a team.

• Willingness to provide scheduled standby and on-call support.

• VMware NSX or MongoDB experience is an advantage.