AI / ML for Smart Building and Dashcam. Manage IT Infra department: ● All office IT, Hardware, Network and peripherals. ● People Management (communication, daily task). ● Budget and Assets control and management. ● Hybrid System (Cloud – OnPremises). Linux Server: ● Web Server + SSL: − Apache (web server, virtual hosts). − nGinx (web server, reverse proxy, load balancer). − Tomcat (web app). − NodeJS using “BUN” and “YARN”. ● Database Server: − SQL: MySQL, MariaDB, PostgreSQL, Google Cloud SQL. − NoSQL: MongoDB. − TimeSeries: InfluxDB. − Redis and RabbitMQ installation. ● Network Services: − Firewall, forwarder and QoS using IPTables. − DHCP, DNS. − VPN Client (OVPN, PPTP, L2TP, WireGuard). − MQTT Server for IoT using Mosquitto. ● Server Virtualizaton: − Proxmox. − VirtualBox. − KVM. ● Self Pentest using Kali Linux. ● Create “system services” for product apps. Automation (Ansible, Linux Shell Script, Windows Batch, Git Actions). Container (Docker) for Linux and Windows. Google Cloud Platform: ● VM. ● IAM. ● CloudSQL. ● Armor / Firewall. ● Kubernetes. MikroTik Router: ● Office Router. ● Cloud Router service. ● VPN Server (PPTP, L2TP, OpenVPN, Wireguard). GitHub for Source Code versioning. Cross people department coordination to create and deliver the products / projects (AI / ML using Web): ● JMTO “Smart Dashcam” for detecting object (vehicle, sign, etc), traffic and anomalies. ● New IKN (Capital City) Smart City using “Smart Pole” (CCTV with object detection, multiple sensors (oxygen, carbon, weather, light). ● “Smart Building” using BMS (Building Management System) and BAS (Building Automation System) to optimize and monitor all electrical devices (light, AC, pump). ● ML (Machine Learning) Server preparation (Budget and Specs) for AI System. Data Center assessment for revitalization to Tier3 Standard (Electricity redundancy, HVAC redundancy, Fire Suppression, Access Security, DCIMS / BMS).

Banking & Payment Securer. Manage network in office, UAT and PRD Environment (Hybrid): ● Fixing office network issues (slow connections, fail over 2 ISPs). ● Manage CR Request. ● JIRA for TicketingSystem and Documentation. AWS: ● WAF and Security Group for Firewall / Security. ● NLB and ALB LoadBalancer + URL Filtering for multiple target group with Hybrid System (AWS Cloud and On Premises). ● Route 53 for Domain Management. ● ACM for SSL Certificate Management. ● Athena for reading / analyze the Logs File from SQUID Proxy. Firewall and LoadBalancer: ● FortiGate. ● CheckPoint. ● WatchGuard. ● F5 – BIG IP LoadBalancer. Linux Server (RHEL and AlmaLinux): ● SQUID for Proxy. ● IPTables for PoC to prevent URL Brute Force Attach. ● Security and Pentest using Kali Linux. ● Hybrid System (Cloud – OnPremises). ● Ansible automation for FortiGate and F5. ● Compiling Symantec EndPoint Client / Agent for Multiple RHEL version. Adding office IoT automation for “Outside Lighting” before-after Office Hour and holiday. Working with cross department to share and giving some suggestion to fix the issues (App Support, Infra, Office GA, HR). Non IT: Helping office GA to fix, maintain and giving some improvement for Office Building Operational.

Open Space. Network design and installation for New LivIT Office Building project: ● MikroTik Router: − DHCP. − Bandwidth Management. − Captive Portal. − Load Balance 2 internet lines from different ISP’s. ● Wireless Network using Ubiquiti: − Site survey. − Wireless installation and configuration. − UniFi Controller.

POS, Captive Portal, Mall Directory. ● Manage cross team (IT Developer and marketing) and bringing them together to deliver and develop product service: − Collaborate with multidisciplinary people and teams to develop product and features. ● Technical Support for Desktop (Windows, Linux, MacOS) and Mobile (Android, Ios). ● First contact to support clients and partners communication (phone, email, JIRA, direct meeting): − JIRA Ticketing System and Slack. ● IT budget planning for system infrastructure and integration. ● Hybrid system: − Cloud (AWS, DigitalOcean). − Local data center infrastructure and virtualization. − Online service (Cpanel, WHM, SSL, VPN, Hosting). ● Hardware purchasing and vendor negotiation, reduce internet monthly cost to 30%. ● Change AWS plan to reduce price to 20% without reduce the performance. ● Network and technical design / support (MikroTik, LinkSys, Custom AP firmware using Tomato and DD-WRT) for integration to client site. ● SIT (System Integration Testing). ● New things / technology research (UX research and survey, Openstack, Docker, Kubernetes, CISCO Meraki, CICCO Aironet, Ruckus, Ubiquiti, GeoLocation, Hostapd). ● Non IT, Make the all technical things (IT, MEP (Mechanical Electrical Plumbing)) in the office building functionally and reliable.

Game Development. ● Manage IT Team (hire, budget, purchasing, bonus, salary, assets, licenses, etc) and stuffs to support +/- 600 employees. ● Multinational and multi departments communication with different timezone. ● PIC (Person In Charge) for all technical partner and vendor: − Vendor negotiation to reduce 50% the monthly cost for internet. ● Create internal server and services for multiple usage: − Internal blogs, Web Video Streaming, product catalog for internal ecommerce, Docs and File Sharing (using WordPress). − OrangeHRMS for HR Team. − OpenERP for Finance. − GLPI for IT Assets. − Support multi department and research multi tools (PM Tools). ● Non IT, Make the all technical things (IT, MEP (Mechanical Electrical Plumbing)) in the office building functionally and reliable.

Government. Connecting 33 sub-districts to central district office for E-Government System using WiFi System: ● Mikrotik, Ubiquiti. ● Indoor and Outdoor network connection.

Game Development. ● Responsible for IT technical (Hardware, Network and System) issues: − Supporting +/-200 employees. − Desktop application for Windows, Linux, MacOS (email, chat, AD Client, puppet client). − Wireless network installation (HP, LinkSys, CISCO). ● Non IT, New office building project design and implementation for IT and MEP (Mechanical Electrical Plumbing). ● Direct reward and promotion from Studio Manager.

ISP (Internet connection Service Provider). ● Wired and wireless network connection installation and maintenance. ● Outdoor and indoor network connection. ● Internet and proxy solution for clients.

● E-Learning System implementation. ● Web server and database server system using Linux (Debian): − PHP, MySQL, Apache2, BIND. ● Router (MikroTik) solution for − IP and port Forwarding System. − Local DNS System.

● Internet installation with 2 internet lines. ● MikroTik Router: − Internet Load Balance System, QoS and Bandwidth Management. − HotSpot / Captive Portal with RADIUS and User-Manager.

● IT Solution for many private (hardware, software, network, virus) and national / government company.

Housing area. ● RT / RW Net (village) Internet solution for resident: − MikroTik Router. − HotSpot / Captive Portal with RADIUS and User- Manager. − QoS and Bandwidth Management. ● 3Com and LinySys Access Point for Transmit and Receive the Wireless Network Signal. ● Hand made outdoor antenna: − “Pan tenna” for clients made from FryPan. − “Kenthongan” for BTS sectoral antenna made from PVC Pipe.

● Solve (Analyze and Troubleshoot) the network connection for parking software. ● Wireless P2P solution using Ubiquiti.

● Internet connection installation / redesign network. ● MikroTik router: − Load Balance System for 6 internet lines. − Bandwidth management. − HotSpot / Captive Portal services with user access timer.

● Internet over Electricity solution for President University and dorm. ● Supervise the FO to Electricity cable installation in main electricity distribution central. ● Router (MikroTik). − Back to back connection to and from POP. − RADIUS with HotSpot / Captive Portal. − PPPoE for authentication.

● Responsible for all technical issues / problems.