What you will do:

The Senior Project Engineer (HVAC) is responsible for managing and coordinating the engineering, technical, and site execution aspects of HVAC works for large‑scale data center and critical facility projects. The role supports the Project Manager to ensure safe, timely, compliant, and high‑quality project delivery, from design coordination through installation, testing, commissioning, and handover.

How you will do it:

Engineering & Technical Management

  • Coordinate HVAC design development, shop drawings, material submissions, and method statements
  • Review and ensure compliance with project specifications, drawings, codes, and standards
  • Resolve technical issues related to chilled water systems, CRAH/CRAC units, AHUs, ducting, pipework, and ventilation
  • Interface with consultants and clients to address technical queries and design clarifications


Site Execution & Coordination

  • Manage day‑to‑day HVAC site activities to ensure works are executed according to approved drawings and schedules
  • Coordinate with main contractor, MEP trades, CSA teams, vendors, and subcontractors
  • Monitor work progress and ensure alignment with the approved project program
  • Support site supervision teams to ensure installation quality and workmanship standards


Testing, Commissioning & Handover

  • Coordinate pre‑commissioning, testing, and commissioning (T&C) activities
  • Work closely with commissioning agents, vendors, and client representatives
  • Ensure proper preparation of as‑built drawings, O&M manuals, and handover documentation
  • Support final inspections, snag clearance, and client acceptance


Cost, Procurement & Contract Support

  • Assist the Project Manager in cost control, variation evaluation, and progress claims
  • Track material procurement, deliveries, and vendor schedules
  • Identify potential variation orders and schedule risks early


Quality, Safety & Compliance

  • Ensure compliance with QA/QC procedures, inspection and test plans (ITP), and quality records
  • Enforce site HSE requirements and safe work practices
  • Support audits, inspections, and authority submissions as required


Reporting & Documentation

  • Prepare and maintain daily, weekly, and monthly progress reports
  • Track RFIs, technical submissions, approvals, and site instructions
  • Maintain accurate project documentation and records


What we look for:

  • Bachelor's degree in mechanical engineering or equivalent.
  • Minimum 5 years of experience in HVAC project engineering
  • Experience delivering large‑scale commercial, industrial, or data center projects is preferred.
  • Hands‑on experience in HVAC installation, coordination, and commissioning
  • Data center or mission‑critical project experience is a strong advantage
  • Strong knowledge of Chilled water systems (air‑cooled & water‑cooled), CRAH / CRAC units, AHUs, FCUs, ventilation systems
  • Familiar with project schedules and reporting tools (e.g. MS Project, Excel)


Preferred Skills:

  • Strong coordination and communication skills
  • Proactive problem‑solver with attention to detail
  • Able to work independently and under tight project schedules
  • Good stakeholder management and teamwork mindset
Experience required
  • 3 years
Salary
  • Negotiable
Job function
  • Engineering
Job type
  • Full-time

Company overview

Size:2000-5000 employees
Industry:Trading and Distribution
Location:Bangkok
Website:www.johnsoncontrols.com/
Founded in:1883
Ranking:5/5

The future is being built today, and Johnson Controls is making that future more productive, more secure and more sustainable. We create intelligent buildings, efficient energy solutions, integrated infrastructure and next generation transportation systems that work seamlessly together to deliver on ... Read more

Why join us: We’re driven to make tomorrow better. Our global team creates innovative, integrated solutions to make cities more connected, buildings more intelligent and vehicles more efficient. We are passionate about improving the way the world lives, works and plays. And we take pride in making Johnson Contro ... Read more

Head office: 719 KPN Tower 8th Floor, Rama 9 Road, Bangkapi, Huaykwang, Bangkok 10310
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