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Mechanical Systems Specialist

Airtrunk

Japan HQ - Tokyo (TOKHQ - Roppongi) permanent

Posted: November 24, 2025

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Job Description

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

AirTrunk is a technology company with a powerful purpose - to scale and sustain the relentless growth of the region’s digital future. We do this by continuously redefining and delivering hyperscale data centres that meet the needs of our customers - the world’s most transformational companies. And we’re doing so sustainably, for today and tomorrow.

Having opened Australia’s first and largest hyperscale data centres in 2017, we set our eyes on rapid expansion and now operate a platform of hyperscale data centres across the APME region. With backing from our investors, including Blackstone, this is just the beginning…

Come join the A-Team at AirTrunk, where the cloud meets the ground.

A Snapshot

• As the Mechanical Systems Specialist, you will report to the Technical Director – Mechanical Systems (Based in Sydney), and work closely with the rest of the Critical Environment Team and making 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 mechanically biased systems

• You will ensure the AirTrunk critical mechanical infrastructure remains effective, efficient and resilient, whist 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.

Your Day to Day

• Become the ‘go-to’ person for all mechanical based problems and defects, gaining an in-depth understanding of all AirTrunk critical mechanical infrastructure

• Work with your fellow Controls and Electrical Specialists to develop innovative ways to drive down maintenance and operation costs associated with mechanical plant

• Work with the AirTrunk design team, reviewing new designs to ensure that mechanical aspects of designs can by operated by site ops teams in the operational environment

• Review commissioning documentation to ensure that operations and client requirements will be demonstrably met

• Represent operations in various commissioning activities

• Assist site operations teams in the resolution of standing or emerging problems which fall outside of the local operations capacity

• Problem management of post incident issues

• Assist in the development of asset management strategies

• You can also expect to tackle a variety of other exciting challenges:

• Conduct airflow management CFD’s

• Identify cost saving opportunities and system improvements

• Manage mechanical and other related incidents and events, including event investigations, root cause analysis and problem management

• Assist in the successful resolve of post construction related punch list items

• Provide authorizing engineer specialist support to site teams

• Work closely with SDM/Ops and suppliers as new assets near RFS

• Review commissioning documentation

• Attend commissioning around Japan, either in person or through video networking

Requirements

• Extensive experience within the data centre critical infrastructure field or similar mission critical operations centre

• Mechanical (HVAC) trade and/or engineering background preferably with knowledge and experience of power generators

• Controls experience would be highly regarded

• Excellent technical knowledge of chiller plant and chilled water systems

• Airflow management experience especially utilising CFD modelling

• Flexible and organised to manage workload to meet deadlines

• Analytical and problem-solving skills

• Ability to work proactively on your own or as part of a team

• Fluent in Japanese and English with strong verbal and written communication skills

• The ability to interpret electrical/mechanical drawings and specifications

• Ability to travel domestically throughout Japan

• Professional attitude with persuasive skills in making things happen

• Proficiency with the Microsoft Office including Outlook, Word, Excel and PowerPoint

The AirTrunk Culture

Working at AirTrunk is a once in a lifetime opportunity to fast-track your career and amplify your impact. Whilst you’re helping scale our region’s digital future, we’ll help you Grow@Hyperscale and unleash your full potential.

The pace in which we operate means you’ll feel an electric atmosphere at AirTrunk. We are a team of challengers and collaborative problem solvers who break new ground every day. We do this by living our values, going above and beyond, and being dynamic, transparent, and responsive.

Every AirTrunker brings their own unique background and diverse perspective to find solutions to problems that matter. We make sure you have everything you need to make your mark and thrive in a flexible and safe working environment, where everyone feels welcome. Our benefits empower AirTrunkers to stay positively charged.

Now’s your chance to Grow@Hyperscale.

**To all recruitment agencies: AirTrunk does not accept agency resumes. Please do not forward resumes to our jobs alias, AirTrunk employees or any other organisation location. AirTrunk is not responsible for any fees related to unsolicited resumes.**

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