Staff Engineer, Facilities HVAC Engineering

Responsibilities

• Lead HVAC project design, engineering, and execution, including capital planning, budgeting, and life-cycle analysis for critical equipment.
• Conduct technical feasibility studies, cooling load calculations, and design reviews to support production expansion and cleanroom requirements.
• Manage end-to-end HVAC projects from concept to commissioning, ensuring adherence to ISO 14644 standards and quality requirements.
• Monitor and maintain stable controlled environments (Temperature, %RH, Particle count, and Delta P) to ensure production compliance.
• Manage N+1 redundancy configurations for critical utilities to mitigate the risk of production downtime.
• Drive sustainability and decarbonization initiatives through energy-saving programs and the transition to Low-GWP refrigerants.
• Perform deep-dive technical troubleshooting and Root Cause Analysis (RCA) for complex HVAC failures using 8D methodologies.
• Coordinate project handovers to Operations & Maintenance teams, including updating AutoCAD drawings and providing technical training.
• Supervise HVAC contractors to ensure full compliance with safety protocols and zero-accident execution.

Requirements

• Bachelor’s degree or higher in Mechanical Engineering or a related field.
• At least 5 years of experience in Facilities management or Engineering, focusing on industrial HVAC system operations.
• Proven experience within the Electronics industry or High-Tech manufacturing environments.
• Strong knowledge of ISO 14644 standards and environmental control requirements.
• Proficiency in AutoCAD for designing and reviewing mechanical/HVAC layouts.
• Expertise in Chiller Plant systems, AHU/MAU operations, and psychrometric analysis.

Preferred Qualifications

• Professional Practice License from the Council of Engineers Thailand.
• Experience with BMS/BAS control logic and reading P&IDs.

About the Company

Western Digital (WD) is a global leader in data storage solutions, pushing the boundaries of technology to power innovation. From enabling smart cities to supporting the massive data needs of the AI era, WD provides essential technologies including HDDs and platforms for business, creative professionals, and consumers worldwide.