Security Monitoring & SIEM Engineer

LUMINA ADVISORY & GLOBAL SEARCH PTE. LTD.

About the Role

Join our security team and help keep our monitoring environment reliable, complete and ready for investigation. This isa hands-on engineering role for someone who enjoys solving log collection,Agent, platform and infrastructure problems across Linux and Windows environments.

What You’ll Do

  • Deploy and manage Wazuh Agents across Linux, Windows and relevant infrastructure systems.
  • Onboard security logs and monitor log coverage, completeness and ingestion status.
  • Monitor SIEM platform health, stability, operational status and service availability.
  • Manage log retention, storage utilisation, capacity planning and log lifecycle requirements.
  • Monitor system security status and relevant log activities across Linux and Windows environments.
  • Troubleshoot log collection issues, Agent failures, ingestion problems and SIEM platform incidents.
  • Support integrations with infrastructure monitoring and automation platforms.
  • Maintain and continuously improve SIEM monitoring and log management capabilities.

What We’re Looking For (Must Have)

  • Bachelor’s degree inInformation Security, Cybersecurity, Computer Science or a related field.
  • At least 3 years of relevant experience in SIEM administration, security monitoring, log management or infrastructure/security engineering.
  • Hands-on experience with Wazuh, SIEM, log management or security monitoring platforms.
  • Strong Linux and Windows system administration knowledge, including system logs and security monitoring.
  • Hands-on OpenSearch operations experience covering log queries, log analysis, index management and basic platform troubleshooting.
  • Practical experience in log collection, Agent deployment, log onboarding and ingestion troubleshooting.
  • Strong analytical and troubleshooting skills, with the ability to investigate unfamiliar system, Agent or platform behaviour independently.
  • Effective communication in English and Mandarin, as the role works with regional stakeholders who primarily communicate in these languages.

Good to Have

  • Experience managing storage utilisation, log retention and monitoring platform capacity.
  • Shell scripting, Python, Ansible or other automation experience.
  • Experience integrating security monitoring with infrastructure monitoring or automation platforms.
  • Experience operating Wazuh or a similar monitoring platform at scale.

How to apply

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