Lý Hoàng Thiên
IT Support professional with 3+ years of hands-on experience in technical support, system administration, and user support across enterprise environments. Skilled in troubleshooting, managing IT infrastructure, and supporting business-critical applications — with a track record of resolving incidents quickly and working across cross-functional teams.
Work Experience
Over 3 years supporting enterprise IT, ERP/HRM systems, and outsourced client environments.
IT Support — C2C Techhub
- Provided system and user support using ManageEngine Endpoint IT management solutions.
- Managed tickets and IT workflows through Jira; administered Slack (users, workspace config, app integrations).
- Deployed and configured Cloudflared (ZTNA) for secure zero-trust access, integrated with GCP and Google Workspace for identity-based authentication and access control.
- Self-hosted internal services for the IT team; assisted with system optimisation and endpoint maintenance.
- Collaborated with Audits to prepare a checklist for ISMS.
IT Support — V.T Technical
- Managed and maintained ERP, HRM, and internal software systems.
- Installed, configured, and troubleshot computer systems, networks, and related hardware.
- Provided IT support for 50 internal users across departments.
- Collaborated with external IT developers during ERP implementation; handled onboarding/offboarding and asset handover.
IT Helpdesk — SMNET Solution (Outsourcing)
- Administered Google Workspace and Microsoft 365 environments.
- Troubleshot remote dial-up/VPN issues for multiple user sites.
- Worked with Exchange, Active Directory, DNS, DHCP, TCP/IP, and network administration across two outsourced client locations.
IT Support (Intern) — International School ISHCMC
- Repaired and deployed devices — laptops, iPads, and PCs — for staff and students.
- Installed, configured, and maintained operating systems and networks.
Skills
Cross-platform IT support: operating systems, cloud, networking, security, and service-desk tooling.
OS
Windows, macOS, Linux
Productivity & Endpoint
Microsoft 365, Windows Defender, Microsoft Intune, Google Workspace
Virtualization & Servers
VMware, Hyper-V, Proxmox, server administration
Device & Asset Mgmt
ManageEngine, JAMF, Asset Tiger, SnipeIT
Cloud Knowledge
Azure, Google Cloud Platform, AWS
Core Networking
AD, DHCP, DNS, TCP/IP, VPN, Wi-Fi configuration
Service Desk
Jira, service desk workflow, Freshdesk
Diagnostics
Hardware and software diagnostics; system, network, and device support
Security Tooling
Cloudflare, FortiGate firewall, Bitwarden, AD endpoint users
Dev & Infra Tools
GitHub, GitLab, Docker, Git
Courses & Certifications
🎓 Education
University of Science – Ho Chi Minh City (VNU-HCMC)
Bachelor’s Degree, Electronics and Telecommunications
2019 – 2023 · GPA: 3.2 / 4
🌐 Languages
Projects
Asset Management (SnipeIT) →
IT asset lifecycle tracking and hardware inventory.
Grafana (Monitoring VMs) →
Real-time infrastructure monitoring dashboards.
AdGuard Home →
Network-wide DNS filtering and ad blocking.
My Portfolio →
Personal site showcasing self-hosted infrastructure work.
Odoo ERP →
Self-hosted ERP for accounting, CRM, and operations.
Let’s work together
Open to IT Support, System Administration, and IT Infrastructure roles — let’s talk about how I can help your team.
📩 Email Me 📄 Download CV 🔗 Connect on LinkedInPlatforms & Tools
What I use day-to-day for IT support, systems administration, and security operations.
Windows Server
Jamf
Cloudflare
AWS
Azure
Google Cloud
VMware
Docker
FortiGate
Active Directory
Microsoft 365Windows ServerJamfCloudflareAWSAzureGoogle CloudVMwareDockerFortiGateActive DirectoryMicrosoft 365