The people behind your IT
Tech Support 365 is a Perth-based team of hands-on engineers and consultants. When you call us, you speak to the person who designs, builds and supports your environment - not a call centre. Every engagement is led by senior technical staff with enterprise and government delivery experience, applied at a scale that makes sense for Australian businesses.
Leon Tan
Principal Consultant - Infrastructure & Modern Work
Perth, Western Australia
Get to know Leon
Leon is a senior infrastructure and unified communications architect with extensive experience delivering large-scale, mission-critical voice, identity and security solutions across government and enterprise environments.
He has led Microsoft Teams Calling and unified communications programmes for Western Australian Government agencies, identity and endpoint modernisation across environments of tens of thousands of devices, and highly available voice services for international hotel groups where reliability and guest experience are paramount. That background now sits behind every Tech Support 365 engagement — the same design discipline and change control, sized and priced for Perth SMEs, clinics, not-for-profits and hospitality operators.
“I’m passionate about tackling complex challenges that require innovative, out-of-the-box thinking, and I genuinely enjoy the work I do.”
What Leon works on
- Microsoft 365 & Entra ID
- Microsoft Teams Phone
- Intune & endpoint management
- Microsoft Defender suite
- Zero Trust & Essential Eight
- PKI & certificate lifecycle
- 802.1X & network access control
- Azure & hybrid cloud
- Virtualisation & DR
- Networking, Wi-Fi & SD-WAN
- AI & automation
Areas of depth
- Modern workplace & security — Microsoft 365, Intune, Configuration Manager, Defender for Endpoint / Identity / Office 365 / Cloud Apps, Essential Eight alignment
- Identity & access — Entra ID, Conditional Access, MFA and SSO, hybrid identity, PKI and certificate-based authentication
- Unified communications — Teams Phone (Direct Routing and Operator Connect), contact centre platforms, Teams Rooms and certified devices
- Cloud, network & infrastructure — Azure, VMware / Hyper-V / Proxmox / Nutanix, Veeam and Datto backup, switching and VLANs, firewalls, Wi-Fi surveys and tuning
Selected delivery experience
- Enterprise voice for WA Government agencies Architect and engineer on Microsoft Teams Calling and Operator Connect programmes — discovery, design, build and user cutover, including call queues, auto attendants and Teams Rooms.
- Endpoint and identity modernisation at scale Migration planning and pilot delivery for MDM estates in the tens of thousands of devices, automated certificate enrolment, Windows Autopilot and co-management with Configuration Manager.
- Security uplift and Essential Eight Defender for Endpoint rollouts across Windows and Linux fleets, ASR and attack-surface hardening, privileged access management, and application governance clean-up.
- Network and infrastructure projects Cisco SD-WAN migrations, Meraki refits, Cisco ISE and 802.1X deployments, hypervisor migrations, and Microsoft 365 and OneDrive migrations for large user populations.
- Hospitality technology Highly available voice and business-critical platform support for premium international hotel properties, including POS and PMS environments.
Certifications & education
- Microsoft 365 Certified: Enterprise Administrator Expert
- Microsoft 365 Certified: Security Administrator Associate
- Microsoft 365 Certified: Teams Administrator Associate
- Microsoft Certified: Azure Fundamentals
- Australian Computer Society Certified Technologist
- BCom - Business Information Technology & Systems (double major)
Talk to the person who’ll do the work
No scripts, no handoffs. Tell us what’s not working and we’ll scope it properly — or tell us what you’re planning and we’ll tell you what it really takes.
Growing the team — if you’re a Perth-based engineer who likes doing things properly, get in touch at hello@techsupport365.com.au.