Chavis Krittanai

Experience

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  Urban Mobility Tech Co. Ltd.

  Jun 2019 - Oct 2019

  Service Operation Specialist

  • Ensured Muvmi and TukTuk Hop ride-sharing customer satisfaction and provided professional support to customers of all nationalities.• Troubleshot customer inquiries with the service and processed bookings from business partners.• Coordinated with the management along with outside parties.• Assisted company projects as assigned.

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  Solar Decathlon Europe

  Oct 2020 - Jun 2022

  HVAC Design Student Engineer (Team KMU)

  • Conducted heating and cooling loads assessment and energy consumption estimation. Streamlined and automated the process with self-developed excel-based calculation sheet. • Conducted quipment sizing of major HVAC system components (ACU, ERV, Solar Collectors, Pumps, etc.) • Performed ventilation Computational-Fluid-Dynamics (CFD) analysis using ANSYS and Autodesk CFD software. • Oversaw and led the HVAC system design of the housing demonstration unit bound for European countries climate. Major systems include heating and cooling for thermal comfort, ventilation, and domestic hot/cold water systems. • Handled report writing, CAD drawings, and coordinated between different stakeholders including engineering and architecture. Show less

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  King Mongkut's University of Technology Thonburi

  Sept 2021 - Nov 2021

  Teaching Assistant

  • Prepared relevant class materials under topics of Nuclear Physics and Thermal Analysis of Nuclear Reactors.

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  MITR Technical Consultant Co.,Ltd.

  Jun 2022 - Jul 2022

  Mechanical Design Engineer Intern

  • Prepared preliminary design calculations and other required calculations to meet relevant regulatory requirements and specifications. (Local building codes, ASHRAE, etc.)• Engaged in the design of HVAC systems in both large and small projects ranging from shopping complex to high-rise building, governmental buildings, and hospitals.• Ensured duct schematic and drawing deliverables satisfy approved specifications and design environment.• Performed equipment selection, duct routing, sizing and capacity planning to satisfy approved specifications and design environment.• Prepared technical specification documents for sub-contractors.• Reviewed and prepared contractor's commissioning results for senior engineers.• Worked with other engineers and professionals expeditiously to support the project's ongoing process. Show less

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  Amazon Web Services (AWS)

  Jul 2023 - now

  Data Center Engineering Operation

  • Early-stages builder involving from the construction phase through pre-powered stages of AWS data centers, focusing on different aspects to uphold the highest standards and ensure readiness for regional launch. Key highlights include developing technical procedure and documentation for day-to-day operations, streamlining facility management process, witnessing integrated system test commissioning as one of the stakeholders, and configuring HVAC systems for low-load operations during plant early operation stages.• Played a key role in facility setup for AWS Global Operational Readiness Review audits during BKK region buildup.• Operate, monitor, and schedule maintenance AWS-owned critical electrical and mechanical infrastructure 24/7, including Chiller(s), AHU(s), Diesel Generators, Fire Suppression System, BMS, electrical switchboard(s), PLC-based control systems, etc.• Act as the first responder for on-site emergencies, Rackdown events, and Critical Site Events, maintaining continuous AWS availability within Service Level Agreements (SLAs).• Conducting comprehensive Root Cause Analysis (RCA) investigations on all aspects of critical facility operations and maintenance, together with field engineering and global peers.• Lead diverse projects aimed at optimization capacity, enhancing facility reliability, safety, and operational efficiency - coordinating closely with different departments including safety, security, field engineering, and infrastructure delivery teams. Show less