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AirTrunk

Manages hyperscale data centers for cloud

Electrical Systems Specialist

Equipment MaintenanceConfirmed live in the last 24 hours
Full-timeHong KongNo salary listed

About the Job

Requirements

  • Has at least 8 years of proven experience safely performing high-voltage switching operations and working with low-voltage equipment.
  • Must hold an Electrical License Cat H0 with C0.
  • Must have sound technical knowledge of medium-voltage and low-voltage systems, including extra-high-voltage and medium-voltage systems, low-voltage generators, PTUs (UPSs), and automatic transfer switch functionality.
  • Must communicate effectively in written and verbal English and Mandarin or Cantonese.
  • Must understand power quality.
  • Must be able to read and interpret single-line diagrams and technical diagrams or systems, and explain these systems and functions to non-technical colleagues.
  • Must have a basic understanding of HVAC and mechanical systems.
  • Must communicate effectively in technical meetings and convey operational requirements to project teams and general contractors.
  • Must represent operations teams in identifying potential design issues, especially during design stages involving replacement strategies for OSE equipment.
  • Must be able to assist the Safety team with electrical technical and non-technical matters, including incident reviews and site preparation.
  • Must be willing to travel to Hong Kong sites and the APAC region as needed.

Responsibilities

  • Lead high-voltage switching operations across Hong Kong sites and apply an accepted methodology to ensure safe operation of high-voltage equipment.
  • Engage with general contractors and the data centre operations team to develop Methods of Procedure that meet risk mitigation and safety requirements.
  • Work with the commissioning team to deliver technically accurate and timely customer projects.
  • Provide technical support for low-voltage equipment to the operations team.
  • Attend factory witness testing in Hong Kong or elsewhere for medium-voltage or low-voltage equipment.
  • Author high-voltage switching instructions and lead peer-review sessions to confirm the accuracy of switching procedures.
  • Prepare or review Methods of Procedure for construction-based electrical integration works.
  • Review and assist with Methods of Procedure prepared by related partners for medium-voltage or low-voltage work.
  • Carry out medium-voltage switching with the local data centre operations team at Hong Kong sites.
  • Lead maintenance and inspection of high- and low-voltage switchgear and transformers, from 11 kV down to 380 V.
  • Lead maintenance and inspection of the low-voltage network, including generators, uninterruptible power supplies with DC systems, and busways.
  • Assist the commissioning team with electrical apparatus, including high-voltage apparatus, kiosks, low-voltage generators, and uninterruptible power supplies.
  • Assist in design reviews for new Hong Kong projects.
  • Maintain detailed working knowledge of low-voltage infrastructure, including kiosk transformers, low-voltage generators, PTUs (uninterruptible power supplies), busways, and other low-voltage equipment.
  • Assist the Safety team during incident investigations by providing technical mentorship.

About the Company

AirTrunk

Manages hyperscale data centers for cloud

AirTrunk builds and runs large-scale data center campuses in the Asia-Pacific and Japan region to support cloud computing, content delivery, and large enterprise clients. Its hyperscale facilities house the physical infrastructure—space and power—needed for cloud services, delivering reliable, energy-efficient data center capacity under long-term lease contracts with major cloud providers. The company designs, constructs, and operates these campuses to provide scalable, predictable infrastructure for customers who require substantial storage and processing capacity. AirTrunk differentiates itself by focusing on APJ regional expertise, large-scale campus design, and emphasis on reliability and energy efficiency to meet hyperscale demand. Its goal is to accelerate the growth of cloud services across the APJ region by offering scalable, sustainable digital infrastructure through long-term partnerships with cloud service providers.

Company size
501-1,000
Company stage
Debt Financing
Total funding
$9.9B
Headquarters
Sydney NSW, Australia
Founded
2015

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