Cu van Hai

Background

About Cu van Hai

With over 18 years of experience in IT infrastructure, security, and system operations, I have built a strong technical foundation across networking, virtualization, cybersecurity, and cloud computing. My career has spanned various roles, from system administration and infrastructure management to IT security consulting and enterprise-level security operations. I have worked with financial institutions, technology firms, and enterprise clients, delivering robust security solutions, system monitoring, incident response, and infrastructure optimization. My expertise includes: IT Infrastructure & System Operations: Managing large-scale Windows/Linux environments, VMware vSphere, Zabbix/Grafana monitoring, database management, and backup & disaster recovery. Cybersecurity & Risk Management: Implementing firewalls, endpoint security, SIEM, DLP, and privileged access management (CyberArk) to strengthen enterprise security. Cloud & Virtualization: Designing and deploying virtual environments, optimizing system performance, and ensuring high availability. Incident & Problem Management: Utilizing ITSM best practices for efficient issue resolution, minimizing downtime, and securing business operations. Technical Consulting & Leadership: Conducting proof-of-concept (PoC) testing, leading security projects, and training teams on IT security policies and compliance. Currently, as an IT Security Specialist, I focus on developing and implementing security strategies, monitoring for threats, and ensuring compliance with industry standards. My passion lies in protecting critical systems, optimizing IT operations, and driving digital transformation.