ธีรฏิ ปัตตะขันธ์

TEERATHI PATTAKHAN

TEERATHI PATTAKHAN (TEE)
Technical Consultant | IT Infrastructure Manager | Enterprise Solutions Professional
Presales • Solution Design • BOM/TOR/Proposal • Demo/POC • Enterprise Infrastructure
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PROFESSIONAL PROFILE

Over 16 years of experience in IT Solutions, Enterprise Solutions, and Technical Consulting, progressing from Engineer and Team Lead to Presales, Technical Specialist, and IT Infrastructure Manager. Experienced in requirement analysis, solution design, BOM/TOR/proposal preparation, presentations, sales support, Demo/POC, Vendor/Partner coordination, and implementation delivery. Strong in aligning business needs, budgets, and technology to deliver practical and cost-effective solutions with a service-minded approach.

CAREER HIGHLIGHTS

  • Over 16 years in IT Infrastructure, Network Security, Cybersecurity, and Enterprise Solutions
  • Experience across Engineer, Team Lead, Presales Engineer, Technical Specialist, and IT Infrastructure Manager roles
  • Worked with enterprise customers, government organizations, Dealers, Partners, Vendors, and sales teams
  • Skilled in solution design, BOM/TOR, technical proposals, executive and customer presentations
  • Experienced in Demo/POC, workshops, implementation, delivery, negotiation, and selected sales-closing support

PRESALES DELIVERY CAPABILITY

Requirement Analysis Solution Design BOM / TOR / Proposal Customer Presentation Demo / POC Vendor / Partner Coordination Sales Closing Support Implementation & Delivery After-sales Support

Able to manage the full Presales cycle, from receiving and analyzing requirements, designing solution architecture, and preparing BOM/TOR/proposals, to executive and customer presentations, Demo/POC, Vendor/Partner coordination, sales closing support, implementation, delivery, and after-sales support.

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PROFESSIONAL EXPERIENCE

Presales Engineer
May 2024 – 2025
VST ECS (Thailand) Co., Ltd.

Presales role within an IT Solutions distributor, supporting sales teams, Dealers, and enterprise customers.

  • Analyzed customer requirements and designed IT Infrastructure and Network Security solutions for enterprise organizations
  • Presented solutions and provided technical consultation to End Users, Dealers, and sales teams
  • Designed Enterprise Infrastructure and Cybersecurity solutions for enterprise and government organizations
  • Prepared BOMs, TORs, and technical proposal documents for projects
  • Conducted Demos and Proofs of Concept (POC) to validate solution suitability against customer requirements
  • Worked with Vendors and Partners to select solutions aligned with budget, project scope, and customer objectives
Products & Solutions
Enterprise Networking, Server, Storage, Virtualization, HCI, Backup, Network Security, Cloud Infrastructure, and CCTV Solutions
Technical Specialist (Presales)
Oct 2022 – Oct 2023
SiS Distribution (Thailand) PCL.
  • Provided consultation and designed IT Infrastructure and Network Security solutions for enterprise customers
  • Interpreted customer requirements to design solutions that addressed business and technical needs
  • Supported sales teams and Dealers in solution design and in preparing technical proposals, BOMs, and TORs
  • Conducted system testing (POC) and delivered solution training to customers and sales teams
  • Coordinated with internal and external teams, Vendors, and Partners to propose and deliver solutions
IT & Network Security Engineer (Supervisor)
Jan 2016 – Apr 2022
Szone Provider Co., Ltd.
  • Managed IT Infrastructure and Network Security teams supporting enterprise customers
  • Designed, implemented, and maintained network and security systems for government and private-sector organizations
  • Implemented and maintained Firewall, Wireless, Switch, Server, and Virtualization systems according to project scope
  • Provided Cybersecurity and IT Infrastructure solution consulting to enterprise customers
  • Delivered Network Security and Firewall solution training to customers and system administrators
  • Supported IT Infrastructure budget and project planning with sales teams and management
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PROFESSIONAL EXPERIENCE

Network Security Engineer Lead / Services Support Team Lead
Jun 2012 – Jun 2015
Thaibiz Provider
  • Designed and implemented Firewall and Network Infrastructure solutions for enterprise customers
  • Maintained and troubleshot Network Security and enterprise network systems
  • Provided IT Infrastructure and Network Security consultation to customers
  • Trained customers in the use of Firewalls and network security systems
  • Managed support services and coordinated with internal teams to provide continuous customer issue resolution

TECHNICAL OVERVIEW

Infrastructure & Network

Enterprise LAN/WAN, Wireless Infrastructure, VPN, Switching, Routing, Firewall, UTM, Network Security Policy, Windows Server, Linux Server, Virtualization, HCI, Server & Storage

Cloud / Security / Continuity

Microsoft 365, Cloud Infrastructure, Endpoint Security, MFA, Backup, Disaster Recovery, Business Continuity, IT Governance, and information-system risk management

CERTIFICATIONS

  • VMware Technical Sales Professional (VTSP)
  • Fortinet FCNSA / FCNSP Certification
  • Cyberoam Security Certification
  • WatchGuard Certified Fireware Policies

EDUCATION

Bachelor of Engineering (Computer Network Engineering)
Rajabhat Maha Sarakham University
GPA: 3.34
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