Mechanical Systems Specialist

AirTrunk; Johor Bahru; On-site; MYR 80,000 - 110,000; Full time

Job summary

AirTrunk is seeking a Mechanical Systems Specialist in Johor Bahru, Malaysia. You will be responsible for optimizing and maintaining our critical HVAC mechanical systems, ensuring operational efficiency while collaborating with the design and operational teams.

The ideal candidate will have over 5 years of experience with data centre HVAC systems and strong technical knowledge of chilled water systems. You will work closely with vendors and represent operational needs in various commissioning activities.

Qualifications

• 5+ years of extensive experience in Data Centre HVAC mechanical systems.
• Excellent technical knowledge of Chiller plant and chilled water systems.
• Strong technical writing skills including problem analysis & event reports.

Responsibilities

• Be the technical operational expert on critical HVAC and mechanical systems.
• Ensure the effectiveness and efficiency of AirTrunk’s mechanical infrastructure.
• Provide operational input during design and build stages.

Skills

Data Centre HVAC mechanical systems

Control systems

Chilled water systems

CFD modelling

Strong communication skills

Tools

Microsoft Office

Job description

Wantto be a part of Asia Pacific & Middle East's (APME) largest, most innovative, and rapidly growing data centre company?

A Snapshot

As the Mechanical Systems Specialist, you will report to the Senior Mechanical Systems Specialist, and work closely with the rest of the DC Operations Team and make your mark in a number of ways:

• You will be the technical operational subject matter expert on all things critical HVAC as well as an important resource for other mechanical systems.
• You will ensure the AirTrunk mechanical infrastructure remains effective, efficient and resilient, while driving improved value for money maintenance and operation.
• You will provide operational input during the various stages of design and build, with specific emphasis on design review and commissioning activities.
• You will work closely with key mechanical vendors driving operational excellence and continuous improvement.
• You will work closely with our customer DC-OPS focusing on problem & change management, event support and supporting Operations Advancement on forensic engineering and product RCAs.

Your Day to Day

• The SME for all mechanical based problems and defects, gaining an in-depth understanding of AirTrunk’s critical mechanical infrastructure.
• Work with your fellow Controls and Electrical Specialists to own and develop innovative ways to enhance and optimize our operations such as PUE & WUE.
• Work with the AirTrunk design & safety teams, reviewing new designs to ensure that mechanical aspects of designs meet our operational and safety requirements.
• Review commissioning documentation to ensure compliance for our Customers and DC Operations.
• Represent DC Operations in various commissioning activities (IST and CX scripts).
• Problem management & change management review and resolution.
• Own the development of asset management strategies for mechanical systems.
• Conduct airflow management CFD’s to support customer needs.

Requirements

• 5+ years of extensive experience in Data Centre HVAC mechanical systems.
• Experience with Control systems – BMS / EPMS / Modbus.
• Excellent technical knowledge of Chiller plant and chilled water systems.
• Technical understanding of free cooling topologies using adiabatic and waterside economizers.
• Understanding of Liquid Cooling design topologies for AI / ML applications.
• Airflow management experience especially utilising CFD modelling and aisle containment systems.
• Analytical and problem‑solving skills.
• Strong communication skills, and able to present to customers and DC Ops.
• Ability to work proactively on your own or as part of a team.
• Strong technical writing skills including problem analysis & event reports.
• The ability to interpret mechanical drawings and specifications.
• Ability to travel throughout Southeast Asia to support site operations.
• Proficiency with the Microsoft Office including Outlook, Word, Excel and PowerPoint.