System Operations Intern with Cloud & DevOps Focus

Phu Ha Le

Address: * *******, ** *** **** Email: *********@*****.***

Phone: +84-347-***-*** GitHub: https://github.com/halephu01

LinkedIn: linkedin.com/in/halephu

EDUCATION

University of Information Technology (VNUHCM) Linh Trung, Thu Duc, HCM, Vietnam Bachelor of Science in Computer Networks and Data Communications Graduate in 2025

GPA: 7.68/10

SKILLS

Languages: Java, C#, Bash Script, Python CI/CD: GitHub Actions, Jenkins, GitLab Cloud: AWS, GCP Container: Docker, Kubernetes Monitoring: Prometheus & Grafana, Zabbix Infrastructure as Code (IAC): Terraform Operating Systems: Windows, Linux WORK EXPERIENCE

VNPT Cyber Immunity 07/2025 - Present

System Operation Intern

• Learn and practiced Linux. Experienced with CLI, file/user management, permissions/ACLs, security features, automation (cron, at, anacron), logging, and basic networking/services (SSH, HTTP/FTP, firewall).

• Learned and practiced Docker & Docker Compose for containerized deployments. Wrote Dockerfiles and Docker Compose files to containerize and orchestrate multi-service applications.Deployed and managed applications using docker-compose for simplified setup and scaling.

• Deployed a Zabbix High Availability setup (2 servers + 1 client) with HAProxy + Keepalived + VIP for load balancing and failover. Implemented a simple web application on the client for monitoring. Integrated Telegram alerts for downtime detection and threshold breaches.

• Configured VPN solutions on pfSense, including both Client-to-Site and Site-to-Site setups. Implemented secure remote access using OpenVPN/IPsec for endpoint clients, and established Site-to-Site tunnels between networks with proper routing, firewall rules, authentication, and encryption policies.

• Configured a Suricata IDS/IPS setup with a server acting as a router to inspect all client traffic, implementing rules to detect ICMP, SSH, HTTP/HTTPS activity and block specific websites via NFQUEUE inline IPS. Integrated Loki, Promtail, and Grafana for centralized observability, collecting system and Suricata logs and visualizing alerts and traffic patterns through custom dashboards. PROJECTS

Deloy DevSecOps Pipeline for Microservice Application 10/2024 - 12/2024 on Google Cloud Environment

• Developed a microservice-based web application with backend written by Java - Spring Boot and frontend written by ReactJS. Build Kubernetes Cluster on Google Cloud with Terraform.

• Created a CI pipeline using Gitlab CI to automate build, test stages incorporating security tools such as OWASP Dependency Check, Trivy and Sonarqube for vulnerability and code quality analysis. Then, push docker image to Harbor Registry.

• Use ArgoCD to deploy the application to a Kubernetes cluster for testing and validation.

• Use Prometheus and Grafana to monitoring.

Deploy Infrastructure for App by using Terraform AWS 03/2024 - 07/2024

• Design and implement e-commerce website with TypeScript and database uses MongoDB.

• Terraform to automatically manage and deploy infrastructure configuration (AWS EKS).

• Use Docker Container to package the website and dependencies into the container. Use Kubernetes to manage the containers.

• Use Github Actions to automatically deploy or test containers in the test environmen.

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