Lucas Chan

Security Engineer

Singapore, Singapore

About

As a student at the National University of Singapore, I am passionate about using technology to create secure and efficient systems. My experience includes enhancing system security, managing disaster recovery processes, and optimizing workflows to improve productivity. I am committed to building my skills and contributing to innovative solutions in IT and cybersecurity.

Experience

  • Ensign InfoSecurity (On-site)
    • Associate Engineer
      Mar 2026 - Present · 5 mos

    • Intern
      May 2025 - Mar 2026 · 11 mos

      • Built a Splunk AIO lab and onboarded Linux/Windows logs with CIM validation. • Automated Cloudera deployment and hardening with Ansible, reducing manual effort significantly. • Created Ansible + Jinja2 health-check reports for post-deployment and upgrade checks. • Supported threat intel work by mapping findings to MITRE ATT&CK for detection prioritization. • Built Google SecOps dashboards to improve log quality/coverage and asset attribution. • Documented key workflows and handover guides in Confluence.

  • Intern at Bank of China
    May 2019 - Feb 2020 · 10 mos

    1. Strengthened the security of the Bank's G3 system environment supporting Bulk Payment, FAST, and PayNow services: • DMZ implementation & firewall re-configuration • QRadar deployment, rule creation and use cases • Information gathering for Audit patching and hardening with accordance to PSP & MAS • Drafting Request for Tender and Terms of Reference 2. Managed and deployed Disaster Recovery Hot Site to ensure business continuity. 3. Streamlined meeting room booking processes by integrating Acendo with Microsoft Outlook.