• Designed Mechanical System for Buildings (Fire Protection, HVAC, LPG & Swimming Pool)• Designed sprinkler, wet riser, hose reel & fire alarm system• Calculated of pipe losses for fire protection system• Designed and calculated fixed gas fire protection system • Calculated Air Conditioning cooling load for HVAC Design• Designed Split Unit, Multi Split and VRF system• Designed mechanical ventilation system, pressurisation system, smoke spill system & kitchen exhaust system • Sized duct for mechanical ventilation system duct.• Incorporated GBI (Green Building Index) requirements into building mechanical system design. (eg. ASHRAE 62.1)• Designed HVAC system control panels.• Attended design meetings for projects.• Prepared project's system design presentation.• Prepared tender documents & tender specification.• Designed and drafted building mechanical engineering system design (AutoCAD).• Successfully coordinated and executed tender process for projects.• Prepared contract documents for awarded tender.• Submitted documents to the relevant Authority Bodies.• Evaluated and Certified site on-going construction progress claim.• Issued Engineering Instruction for on-going construction.• Evaluated of construction variation order.Project types:Condominium, Commerical and Residential Mixed Development, Hotel, Warehouse, Heritage Building & Hospitals.Achievement• Successfully designed and converted a VRF system from using AHU to FCU for an ongoing construction project due to architectural interior design changes.

• Managed incoming part quality for Sony’s Best Selling Noise Cancelling Headphones the WH-1000XM3 and WH-H910N.• Responsible for oversea (Thailand) incoming partial assembled parts by setting rules and guidelines in accordance to Sony Requirement such as cosmetic, reliability and quality specification to ensure stable part supply for mass production.• Investigated, analyzed and provided solutions to possible problem to minimize impact before mass production (FMEA).• Setup incoming part inspection methods and documentations for IQC.• Identify mass production part issues, monitor and apply permanent rectification solutions.• Generated and compiled summary of 8D report and emails for part problem cases.• Scheduled and coordinated meetings with internal and external stakeholders for supervisors and managers.AchievementWH-1000XM3 (World’s Best Noise Cancelling Headphones)• Achieved a reduction of total incoming defect from for WH-1000XM3 0.38%  0.04%.- Successfully eliminated incoming gasket defect due to technical error.• Zero incident of stop of production due to incoming part issue.- Successfully coordinated and enabled production to continue consume through the part combination issue.WH-H910N• Successful introduction and eliminated long-term product issues – zero recurrences and zero major part issue feedback since mass production began end of 2019.- Eliminated mechanical noises issue on partial assembled part.- Eliminated contaminated part issue from lubrication on partial assembled part.- Trained vendor’s inspection personnel to properly inspect the product in accordance with Sony Inspection Standard ensuring delivered parts meet the necessary requirements. - Prevented part rejection due to critical defect and damages to electrical wiring connector from occurring.

Designed the pipe routing for special medical gases with CAD for a Hospital Project. Allocating and distributing the as required to each of the floor based on the purpose and specific requirement and calculation of pressure loss.