Than Htet (Ivan)

IT Support & Service Desk · Systems & Infrastructure Administration · IT Executive · Healthcare IT
Singapore· +65 8755 3980· ivan@ivanthan.uk· linkedin.com/in/ivan3890· ivanthan.uk
Than Htet (Ivan)

Professional Summary

Versatile IT professional with 11+ years in IT support, systems and infrastructure administration, and healthcare IT. Proven L1/L2 incident management and end-user support for 200+ clinical users, Windows Server and virtualization (Hyper-V / VMware / Proxmox) administration, patch and change management, IT asset management, and vendor coordination in mission-critical, 24/7 environments — consistently keeping critical systems available and users productive. Also builds internal operations tooling, production web apps on Cloudflare Pages, and Python automation. Seeking an IT Support, Service Desk, Systems Administrator, or IT Executive role where broad system-level experience and reliable delivery add immediate value.

Core Competencies & Technical Skills

IT Support & Service Desk
L1/L2 incident management, ticketing & escalation, troubleshooting, end-user & desktop support, user access provisioning, SOP / knowledge-base authoring, UAT, remote support
Systems & Infrastructure
Windows Server 2008/2012/2019, Hyper-V, VMware, Proxmox, Active Directory concepts, patch management, change management, IT asset management, backup & DR, RIS/PACS administration, DICOM & HL7
DevOps & Delivery
Git, CI, Docker, Cloudflare Pages builds & deploys, Kanban / Agile project tracking, web app maintenance & deployment, PWA delivery
Databases & Scripting
SQL, Oracle SQL, Bash / Shell scripting, PowerShell
AI & Development
Python, FastAPI, REST APIs, local LLMs (Ollama), Claude API, prompt engineering, AI agents & automation, n8n, PWAs, HTMX / Alpine / Tailwind, pytest, mypy
Cybersecurity
Penetration testing / VAPT, vulnerability assessment (Nessus), Metasploit, Burp Suite, nmap / gobuster / ffuf, Hydra / hashcat, CVSS 3.1 & 4.0, MITRE ATT&CK, malware analysis / DFIR, exploit development, Kali & Parrot Linux
Cloud & Tools
Cloudflare Pages & Tunnel, Supabase, Docker, VS Code, SSH, Windows & Linux

Professional Experience

Cybersecurity & DevOps Intern — REDFACE Research
Jan 2026 – Present · Singapore (Remote)
  • DevOps & internal tooling: helped build and maintain the team's internal operations and project-management system with a Kanban workflow for tracking work across projects (operations.redfacers.com).
  • Web maintenance & deployment: maintain and ship updates to the REDFACE front-end / marketing site (uat.redfacers.com) and the Junior Academy learning site (academy.redfacers.com) — builds and deploys on Cloudflare Pages.
  • Cybersecurity research: red-team research and detection-engineering studies; completed the Corelan Heap Exploitation Masterclass; produced VAPT-style write-ups with CVSS and MITRE ATT&CK mapping.
Imaging IT Specialist — Parkway Hospitals Singapore
Sep 2023 – Sep 2025 · Singapore
  • First point of contact (L1/L2) for 200+ radiologists and radiographers on RIS/PACS and clinical-AI system issues — logged accurate incident tickets with vendors, tracked resolution, and kept clinical teams updated to minimise disruption to patient workflows.
  • Partnered with Infrastructure, Cybersecurity, and IT teams on patch cycles, IT asset management, and security compliance for Radiology; handled user access provisioning and authentication setup during rollout of 4 AI diagnostic platforms (Sensecare, Annalise, Teamplay, Radimetrics).
  • Authored SOPs and quick-reference guides for common imaging faults, giving clinical staff a self-service path before vendor escalation and reducing repeat tickets.
IT Specialist, RIS/PACS (ASEAN) — Philips Enterprise Diagnostic Informatics (EDI), APAC
Aug 2019 – Apr 2022 · Singapore
  • Day-to-day administration of RIS/PACS at SingHealth and MINDEF — Windows Server 2008/2012 on bare-metal and Hyper-V; L1/L2 incident management, scheduled maintenance windows, and preventive health checks across ASEAN client sites.
  • Applied OS patches and remediated findings from Nessus vulnerability assessments across defence-grade imaging environments; maintained DICOM/HL7 interface compliance and PHI data-protection standards.
  • Performed root-cause analysis on complex failures and documented findings for engineering; part of the 24/7 on-call rotation for critical incident response.
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IT Executive, RIS/PACS (ASEAN) — Carestream Health Singapore
Nov 2018 – Jul 2019 · Singapore
  • Installed and configured RIS/PACS on Windows Server 2008/2012 across ASEAN hospital sites; handled L1/L2 tickets, UAT sign-off, change-management coordination, and after-hours on-call coverage.
  • Transitioned to Philips when Carestream's Vue RIS & Vue PACS product line was acquired by Philips — the entire department moved across, along with the existing customer base and the same team.
Project Manager & Senior Service Engineer — Biz-Partner Group Co., Ltd
Feb 2015 – Sep 2018 · Myanmar
  • Installed and commissioned medical imaging systems (DR, CR, X-Ray, Ultrasound) at hospitals across Myanmar, including end-to-end DICOM/HL7 integration with existing PACS and EMR environments.
  • Led projects as both PM and lead engineer — scoped deliverables, coordinated subcontractors, and drove client sign-off from kick-off through commissioning.

Key Projects

CyberQuest — cross-generational cyber-education game
2026 · cyber-quest.pages.dev
  • Designed and built a calm, accessible security-awareness game where each case is playable two ways — an interactive visual puzzle or a real terminal — on one objective. React 19, TypeScript, Rive, xterm.js; offline-first PWA; WCAG 2.2 AA+ (axe-tested).
  • 18 dual-mode cases across a story-gated progression map with earned achievement badges; AI hint co-pilot (Cloudflare Workers AI) with an authored static fallback; Supabase accounts + cloud sync. Fully test-driven (350+ tests).
MerLinn — locally-hosted personal AI assistant
2026 · Present
  • Built a chat-first AI assistant from scratch (Python 3.13, FastAPI, HTMX/Alpine/Tailwind, Typer CLI, installable PWA) — local Ollama by default with opt-in Claude API fallback per call.
  • Implemented an agent substrate (skills, sub-agents, tools, hooks, MCP, memory, permissions) with an autonomous coding agent and self-improvement engine; 260+ tests, ~85% coverage, mypy strict, CI green.
TryHackMe CTF Engagements — 4 rooms, full VAPT reports
2026
  • HackPark (CVE-2019-6714 RCE → SYSTEM), Mr. Robot (web → reverse shell → SUID privesc), Masquerade (DFIR: EVTX 4104 + RC4/AES-CBC C2 decryption), Kernel Blackout (Windows kernel-mode rootkit in C via DKOM).
  • Produced VAPT reports with CVSS 3.1 and MITRE ATT&CK mapping — 13 findings across the engagements.
CyberGuard — security-awareness platform · Home Cybersecurity Lab
2025 – 2026
  • CyberGuard: full-stack awareness game — 58+ missions across 4 age groups, XP/badges, Supabase backend, deployed on Cloudflare Pages (cyberguard.ivanthan.uk).
  • Home lab: Proxmox hypervisor on Dell OptiPlex with a Kali VM for pentesting/malware analysis; self-hosted n8n automation via Docker with Cloudflare Tunnel for secure remote access.

Certifications

CVSS v4.0 — Vulnerability Scoring · FIRST.org · 2026
Professional Certificate in Cybersecurity · MAGES Institute · 2025–2026
Corelan Heap Exploitation Masterclass · Corelan × REDFACE · 2026
Certified Ethical Hacker (CEH) · In progress
MCP — SQL Database 2005 · Microsoft
MTA — Windows Server Administration · NICF · Microsoft

Education

Higher Diploma in Information Technology · Major in Web Development
Bachelor of Arts · Major in English
Languages
English — Fluent
Burmese — Native
Availability
Immediate
National Service
Reservist
Salary
Negotiable

References

Michael Chua — Founder, REDFACE Research (Offensive Security & AI)
mike@redfacers.com
Aung Kean Boon Jonathan — Assistant Manager, Parkway Radiology
jonathan.aung@parkwayradiology.com.sg
Arshad Jamal — Service Manager, Philips EDI
arshad.jamal@philips.com
Sithu Aung — CEO, Biz-Partner Group
ceo@bpgmyanmar.com
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