Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Low Li Loon

Jurong East

Summary

Experienced System Engineer with 7 years of expertise in IT infrastructure, specializing in VMware virtualization and Red Hat Enterprise Linux (RHEL) administration. Proficient in managing virtualized environments with multiple RHEL servers and standalone physical RHEL servers. Skilled in server installation, patching, hardening, vulnerability assessments, compliance reporting, and promoting cross-team collaboration. Holds a CCNA certification and a Bachelor's degree in Power Engineering. Provided vital overseas support during Exercise Wallaby for 5G network deployment in a military setting.

Overview

7
7
years of professional experience
1
1
Certification

Work History

System Engineer

ST Engineering
01.2023 - Current
  • - Configured and set up network test beds for testing teams, replicating customer environments for validation.
  • - Installed and managed VMware virtualization environments hosting multiple RHEL servers and standalone physical RHEL servers for system testing.
  • - Configured Cisco routers and switches for VLAN segmentation, routing, and ACLs.
  • - Verified firewall connectivity during testing to ensure correct traffic flow (no direct firewall configuration).
  • - Configured laptops to ensure in-house applications worked seamlessly with the network and server environment.
  • - Performed Vulnerability Assessments (VA) in collaboration with the Cybersecurity team, implemented system hardening, applied security patches, and generated compliance reports.
  • - Worked closely with Test Engineers and Software Teams to resolve integration issues and ensure smooth test execution.
  • - Troubleshoot network and system issues, including checking service status on RHEL servers and verifying PostgreSQL database availability.
  • - Deployed overseas to Australia for Exercise Wallaby, supporting 5G network setup and validation for defense communication systems in a military field environment.

Test Engineer

ST Engineering
01.2019 - 01.2022
  • - Authored Acceptance Test Procedures (ATP) to validate solutions against customer requirements.
  • - Conducted On-Site Acceptance Testing (OSAT) with customers, demonstrating system readiness and obtaining approval.
  • - Maintained clear test documentation for compliance and process traceability.
  • - Worked closely with engineering teams to resolve issues identified during acceptance phases.

Education

Bachelor of Engineering - Power Engineering

SIT - Newcastle University
09.2018

Skills

  • - Virtualization: VMware Virtualization (hosting multiple RHEL VMs)
  • - Operating Systems: Red Hat Enterprise Linux (RHEL) – Virtualized and Standalone Servers, Ubuntu
  • - Networking: Cisco Routers & Switches (VLAN, ACL), Network Troubleshooting
  • - Databases: PostgreSQL (Basic Administration)
  • - Security: Vulnerability Assessment, System Hardening, Patching, Compliance Reporting
  • Acceptance test procedures expertise
  • Team Collaboration, Cross-Functional Communication, Problem Solving, Adaptability, Customer Engagement, Documentation & Reporting

Certification

Cisco Certified Network Associate (CCNA) - 2025

Timeline

System Engineer

ST Engineering
01.2023 - Current

Test Engineer

ST Engineering
01.2019 - 01.2022

Bachelor of Engineering - Power Engineering

SIT - Newcastle University

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Low Li Loon