About Me
System Administrator with over 4 years of enterprise-scale IT infrastructure management experience. Skilled in handling complex troubleshooting (RAID recovery, system restore) and optimizing virtualization systems (VMware, Proxmox). Focused on developing expertise in Cloud and CI/CD to optimize infrastructure operations.
Core Strengths
- Manage hybrid systems (Windows/Linux) providing stable support for 100+ users
- Deploy and manage virtualization systems (VMware, Proxmox, Hyper-V)
- Handle complex troubleshooting and optimize system performance
- Automate processes with Bash Script, GitHub Actions, Docker
- Comprehensive network administration (Firewall, Router, Switch, WiFi)
Work Experience
System Administrator
VTV Home Shopping - Hyundai Corporation
06/2022 - 04/2026 (3+ years)
- Established and managed hybrid server infrastructure (Windows/Linux) providing stable support for 100+ users
- Deployed and managed server systems: HPE ProLiant Gen10, Windows Server 2012-2025
- Deployed and managed virtualization systems: VMware, Proxmox, Hyper-V
- Monitored systems to minimize downtime and maintain optimal performance
- Automated administration tasks through Bash Scripts
- Set up CI/CD pipelines with GitHub Actions and Docker
- Managed LAN/WAN networks, Firewall (Fortigate), Router, Switch (Cisco)
- Managed NAS/SAN storage, backup/restore, and data recovery procedures
- Operated internal Avaya telephone system with 50+ clients
Network Engineer / Technical Support Engineer
Southern Telecom Company Limited
11/2019 - 01/2022 (2+ years)
- Deployed, provided technical support, and troubleshot network/systems for SME customers
- Participated in presales: provided solution consultation, created BOM and POC for clients
- Monitored and maintained systems, ensuring service quality
Professional Skills
Operating Systems
- Windows Server (AD, GPO, DNS)
- Linux (Ubuntu, CentOS, Debian, RHEL)
- macOS
Virtualization & Cloud
- VMware ESXi
- Proxmox
- Hyper-V
- AWS (EC2, VPC)
- Microsoft Azure
Networking & Security
- Routing & Switching (Cisco, Juniper, Draytek)
- Firewall (Fortigate)
- Access Point (UniFi, Aruba, Ruckus)
- Cisco Meraki
Storage & Data
- NAS/SAN Management
- Backup & Recovery
- Data Protection
Monitoring & DevOps
- Zabbix (Monitoring, Alerting)
- Docker
- GitHub Actions
- CI/CD Pipelines
System Services
- Nginx Web Server
- Postfix Mail Server
- Exchange/M365
- Avaya/Cisco PBX
Education & Certifications
Bachelor of Science - Electronics & Telecommunications
University of Science - VNUHCM
2015 - 2019
Networking Certification
CCNA (Cisco Certified Network Associate)
English Certification
B1.2 (Intermediate Level)