Security & Infrastructure Specialist

Ho Yin Li

Honours Specialization in Information Systems — Western University

Bridging systems infrastructure and enterprise security. Architecting resilient network solutions, automating administrative tasks, and deploying proactive threat detection systems.

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Key Projects
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Languages
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Institutions
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Key Projects

Intrusion Detection & Response Automation

Architected a network-wide IDS utilizing Suricata. Developed a Python monitoring agent to parse eve.json logs, enabling real-time threat intelligence and automated alerting via the Telegram API.

Suricata IDS Python Threat Detection API Integration
Enterprise Network & DNS Management

Deployed Pi-hole as an enterprise-grade DNS sinkhole to govern local network traffic. Mitigated tracking telemetry and advertisements, optimizing bandwidth and enforcing strict network privacy policies.

Network Infrastructure DNS/DHCP Linux Administration
High-Performance LEMP Stack Deployment

Engineered a self-hosted web infrastructure on the LEMP stack. Executed advanced server-side configurations, resolved network port conflicts, and optimized PHP-FPM for ARM architecture resource efficiency.

Nginx MariaDB PHP-FPM ARM
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Skills & Tools

Core Competencies
Network Infrastructure Cloud Administration Incident Response Systems Optimization Vulnerability Analysis
Languages
Python C / C++ Bash / Shell Java JavaScript PHP ARM Assembly
Tools & Platforms
Splunk SIEM Active Directory Azure Cloud Wireshark Linux / Debian Group Policy
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Contact

Let's connect.

Open to internship opportunities, collaborative security projects, and conversations around infrastructure and threat detection.