𝐂𝐡𝐚𝐰𝐚𝐭 𝐒𝐢𝐰𝐚𝐫𝐚𝐧𝐨𝐧

• Manage utility and facility engineering activities including water, steam, compressed air, cooling/chilling systems, industrial gases, and supporting infrastructure. • Perform utility balance analysis, engineering studies, process calculations, technical documentation, and support energy optimization initiatives. • Drive industrial digitalization projects by leveraging PI System technologies, SQL databases, and data integration solutions to improve operational visibility and reporting efficiency. •Collaborate with cross-functional teams to develop data-driven solutions supporting utility management, digital transformation, and operational excellence. 𝗞𝗘𝗬 𝗣𝗥𝗢𝗝𝗘𝗖𝗧𝗦: 𝗘𝗻𝗲𝗿𝗴𝘆 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗧𝘄𝗶𝗻 𝗳𝗼𝗿 𝗨𝘁𝗶𝗹𝗶𝘁𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 • Designed and developed an Energy Digital Twin framework integrating PI System, SQL databases, supplier invoices, OCR workflows, and manual operator inputs. • Transformed legacy Excel-based reporting into a centralized data architecture using SQL Data Lake, PI AF, and PI Vision. • Developed hierarchical asset models and energy reconciliation workflows to improve reporting accuracy, traceability, and operational decision-making. • Established a scalable foundation for future Power BI analytics, PowerApps workflows, and AI-enabled industrial solutions.

Responsible for 𝐎𝐓𝐒 (O̲p̲e̲r̲a̲t̲o̲r̲ ̲T̲r̲a̲i̲n̲i̲n̲g̲ ̲S̲i̲m̲u̲l̲a̲t̲o̲r̲) projects with 𝐋𝐌𝐒 (L̲e̲a̲r̲n̲i̲n̲g̲ ̲M̲a̲n̲a̲g̲e̲m̲e̲n̲t̲ ̲S̲y̲s̲t̲e̲m̲) ► 𝐎𝐓𝐒 – 𝙐𝙣𝙞𝙎𝙞𝙢® implementation & configuration ● trouble shooting ● Factory Acceptance Test (FAT) ● Site Acceptance Test (SAT) ● OTS engineering service ● project documentation & vdo contents ● interfacing with customers ● managing technical works ► 𝐋𝐌𝐒 – Batch Script coding ● Excel VBA coding ● LMS concept design & finalization ● LMS software configuration & trouble shooting ● coordinating customer & LMS developer ● LMS engineering service ► Conducted training courses for IRPC and HMC customers (instructors, operators, process engineers) ► Maintaining OTS & LMS applications at site/remotely ► Project: IRPC OTS Mega project, IRPC OTS Generic project

Responsible for 𝐑𝐓𝐎 (R̲e̲a̲l̲ ̲T̲i̲m̲e̲ ̲O̲p̲t̲i̲m̲i̲z̲a̲t̲i̲o̲n̲) projects for Refinery and Petrochemical plants: ► 𝙍𝙊𝙈𝙚𝙤® implementation & configuration ● process modeling, data reconciliation & validation ● commissioning at site ● trouble shooting ● data extraction from DYNSIM® ● project documentation ● interfacing with customers ● maintained RTO applications at site/remotely ● supported presale ► Projects: PTT GC Ethylene Plant RTO, SCG HDPE Plant Proof of Concept (PoC) project

Responsible for Overall OTS project; Planned, arranged schedule, executed, managed project to meet milestones. ► OmegaLand® implementation & configuration ● Defined, negotiated, and finalized project schedule and work scope ● Piping & Instrumentation Diagram (P&ID) marked up ● Functional Design Specification (FDS) document ● Conducted technical review meeting with customer ► Developed & integrated : process model, Programmable Logic Controller (PLC) model and Human Machine Interface (HMI) graphic for Field Operated Devices (FOD) ► Project: PTT Thailand Gas Quality Control OTS

Operator Training Simulator (OTS) • Learning, understanding and being familiar with PFDs/P&IDs and operation procedures of Chemical, Petrochemical, Oil and Gas plant • Application of chemical engineering principles to the work • Learning and mastering dynamic simulation using OmegaLand Visual Modeler • Project Development Planning and Scheduling • Documentation: Technical Proposal, Functional Design Specification (FDS) • Functional Design Specification presentation to customer • Model Development, Simulation, and Debugging • Learning and mastering Instructor Toolkit (ITK) features: Monitor, Instructor Variable (IV), Malfunction, Evaluation, Scenario • Learning of Yokogawa DCS (CENTUM VP) and SIS (ProSafe-RS) features • Integration of process model with Yokogawa’s CENTUM VP (DCS) and ProSafe-RS (ESD and FGS) • I/O Test & Debugging of Integrated OTS systems • Factory Acceptance Test (FAT)

• Responsible Products: Heat Exchangers, Separators, Decanters and Automation Systems • Responsible for Petrochemical Market Unit • Sales Strategy Development • Market Unit Research & Analysis • Competitive Situation Analysis • Understanding Customers’ Production Processes • Understanding Alfa Laval’s and Competitors’ Products • Customer Relationship Development & Maintenance • Customer Visit: Business Update, Introduction & Sales of New Products and Solutions • Participating/Organising Customer Seminars/Exhibitions/Events/Educations • Key Account Management (KAM) • CRM Tool • Marcom Activities • Heat Exchanger Design and Rating • Plate Heat Exchanger On-The-Job-Training; Dismantling, Assembling, Maintenance, Site Installation

Project: SPM Level 2, Ship Performance Monitoring and Optimisation System ► Continued former client’s project ► Concepts of this project is basically 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐓𝐰𝐢𝐧 ► INDISS® implementation & configuration ● simulation software comparison ● Steam Turbine Ship Simulator process modelling/validation ● INDISS model integration with Ship Performance Monitoring system ● achieved new product for fuel consumption optimization.

- Process Control & Simulation, Dynamic & Steady State; Design Engineering Simulators (DES), and Operator Training Simulators (OTS) • LNG Cryogenic Liquefaction • LNG Fractionation Process • LNG Cargo Tank System & Cargo Operations • Steam Turbine System • Startup and Shutdown Sequences • Gas Management System • Power Management System • Integrated Automation System (IAS) & Control Logics - Project Management; Budgetary Proposals, Execution Methodology, Schedule, Scope of Deliverables, Human Skills • Dual Fuel LNG Carrier Vessel DES & OTS / Samsung Heavy Industries (Korea) • LNG Liquefaction DES / KOGAS - Korea Gas Corporation (Korea) • Carbon Capture & Storage (CCS) Plant Design / Korea Ocean Research and Development Institute (Korea) • Re-liquefaction LNG Carrier DES / Shinyoung Heavy Industries (Korea) • LNG Carrier Cargo & Ballast OTS / Dalian Maritime University (China) • Steam Turbine Ship Simulator / Trelleborg Marine Systems UK (UK) - Interfacing with Customers/ End Users; Kick-off Meetings, Detailed Design Specifications, Solving Technical Issues, Project Presentations, Customer Trainings & Educations, System Integrations, Factory Acceptance Test (FAT), Site Acceptance Test (SAT) - Simulation Software • INDISS (RSI, France) • HYSYS (AspenTech, USA)