APBA TG HUMAN RESOURCE PTE. LTD. Hiring! Full Time Senior System Engineer in Islandwide (Singapore), Earn up to SGD 5,000 - Ricebowl

Responsibilities

Systems & Infrastructure Maintenance

• Maintain and support enterprise servers, endpoints, virtualization platforms and network infrastructure.

• Perform routine hardware and infrastructure maintenance.

• Administer Windows Server, Linux and virtualized environments.

• Ensure high system availability, reliability and service continuity.

• Perform routine health checks and preventive maintenance activities.

Preventive Maintenance & Monitoring

• Perform scheduled system maintenance, operating system patching and firmware updates.

• Monitor server, storage and infrastructure health using monitoring tools.

• Review system logs and alerts to identify potential issues proactively.

• Verify backup jobs and perform restoration testing.

• Monitor system capacity and recommend improvements before service degradation occurs.

Incident Response & Troubleshooting

• Diagnose and resolve server, operating system, virtualization and network-related issues.

• Provide Level 1 to Level 3 infrastructure support where applicable.

• Respond to incidents, outages and service disruptions within SLA.

• Perform root cause analysis and implement corrective and preventive actions.

• Escalate complex issues to vendors where necessary.

Cybersecurity & Access Management

• Perform Windows and Linux security patching.

• Apply security hardening policies and system configuration baselines.

• Monitor system vulnerabilities and security risks.

• Manage Active Directory accounts, security groups and access permissions.

• Support cybersecurity compliance, vulnerability remediation and audit activities.

System Administration & Configuration

• Administer and maintain:

  • VMware vCenter and ESXi

  • Windows Server

  • Red Hat Enterprise Linux (RHEL)

  • Active Directory / Domain Services

  • Veeam Backup & Replication

• Deploy, configure and maintain enterprise applications and infrastructure services.

• Maintain server configurations and system standards.

Backup & Disaster Recovery

• Administer and monitor Veeam Backup & Replication.

• Perform backup verification and restoration testing.

• Support disaster recovery planning and recovery exercises.

• Ensure backup policies comply with business requirements.

Documentation & Asset Management

• Maintain infrastructure documentation and Standard Operating Procedures (SOPs).

• Maintain hardware and software asset inventories.

• Update network diagrams, system architecture documentation and configuration records.

• Record incidents, maintenance activities and change records.

Change Management & Continuous Improvement

• Support system upgrades, migrations and infrastructure enhancement projects.

• Implement approved changes following change management procedures.

• Identify recurring issues and recommend long-term improvement initiatives.

• Optimize infrastructure performance, availability and operational efficiency.

Vendor & Contract Management

• Coordinate with hardware, software and maintenance vendors.

• Manage warranty claims, repairs and maintenance contracts.

• Monitor vendor performance against agreed Service Level Agreements (SLAs).

• Evaluate technical solutions and recommend infrastructure improvements.

 Requirements

Experience supporting Windows and Linux operating systems, including OS patching and system hardening.

• Minimum 3-5 years of experience in Systems Maintenance, Infrastructure Support, System Administration or IT Operations.

• Hands-on experience with VMware vCenter, ESXi, Red Hat Enterprise Linux (RHEL), Veeam Backup & Replication.

• Knowledge of Active Directory, virtualization, backup and recovery, and enterprise server infrastructure.

• Basic understanding of networking concepts (TCP/IP, DNS, DHCP, VLANs and switching).

• Strong troubleshooting, root cause analysis and incident management skills.

• Good communication and documentation skills, with the ability to work independently and coordinate with vendors.

• Willing to participate in standby or after-office-hours support when required.

If you are keen, please email your updated resume to *************
EA License no.14C7275/Registration no. R1434860

Please take note that only shortlisted candidate will be contacted. Thank you.