IT Support & Networking
I’m Jensen Sze in the Greater Toronto Area. I currently work in school IT support, build networking and systems labs, and document troubleshooting and what I learn.
Hands-on Support Experience
The notes and projects on this site are grounded in real support work, careful troubleshooting, and clear documentation.
Current
School IT Support
Previous Experience
Onsite IT Support
Featured Projects
Four portfolio projects covering identity, networking, cloud administration, and repeatable IT support workflows.
What it is
A Windows Server and Active Directory lab built in Proxmox, covering users, groups, OUs, shared folders, mapped drives, Group Policy, password policies, delegated administration, and clear documentation.
Skills practiced
Windows Server, Active Directory, Group Policy, Proxmox, Windows 11 client, user management, shared folders, help desk documentation
Demonstrates
Identity administration and Windows support workflows in a controlled lab environment.
What it is
A Cisco Packet Tracer lab series focused on designing, configuring, and troubleshooting small-business networks, including VLANs, routing, switching, ACLs, and expanded topology practice.
Skills practiced
Cisco Packet Tracer, VLANs, routing, switching, ACLs, subnetting, troubleshooting, small business networks
Demonstrates
Small-business network design, configuration, and structured fault isolation.
What it is
A Microsoft 365 administration lab covering onboarding, offboarding, MFA, Conditional Access, Entra ID, suspicious sign-in investigation, and basic Intune and device compliance practice.
Skills practiced
Microsoft 365 Admin Center, Entra ID, MFA, Conditional Access, Identity Protection, Intune basics, user lifecycle management
Demonstrates
Cloud administration, account security, and user lifecycle workflows.
What it is
An IT support documentation lab with realistic tickets covering printer errors, projector display issues, Active Directory password support, BIOS time and date reset, and Wi-Fi connectivity problems.
Skills practiced
Ticket documentation, troubleshooting workflow, printers, projectors, Active Directory support, Wi-Fi troubleshooting, user communication
Demonstrates
Clear ticket notes, user communication, and a repeatable diagnostic process.
Certifications
Certification study supports the systems, networking, and support work documented across the site.
Certification
Certification
Certification
Current Learning
Current study focuses on routing and switching, VLANs, subnetting, and applying network fundamentals to real support scenarios.
Latest IT Notes
A small selection of recent notes on support tickets, Windows, hardware, networking, and certification fundamentals.
A Windows troubleshooting flow for connected-but-no-internet problems across wired and wireless network connections.
A practical beginner explanation of subnets, masks, and why subnetting matters in IT support learning.
A beginner-friendly explanation of VLANs and why they are useful in homelab and small network practice.
Resume and Contact
Download Jensen Sze’s resume or get in touch about IT support, networking, portfolio projects, and learning topics.