Hyperscale DC Electrical Systems Lead (HV/LV)

Airtrunk; Hong Kong; On-site; HKD 900,000 - 1,500,000; Full time

Job summary

AirTrunk in Hong Kong is seeking an Electrical Systems Specialist to lead high voltage switching operations and oversee MV/LV electrical systems across HK sites. You will collaborate with DC Operations and Development teams to develop safe procedures, review MOPs, and ensure compliance with local electrical codes.

The role requires deep HV/LV experience (minimum 8 years), HK electrical licensing, and strong communication in English and Cantonese/M Mandarin/Mandarin.

Qualifications

• Minimum 8 years of proven experience performing high voltage switching and low voltage work.
• Electrical license: Cat H0 with C0.
• Strong knowledge of MV/LV systems including EHV, MV, LV generators, PTUs (UPS) and ATS functionality.
• Excellent written and verbal communication in English and Cantonese/Mandarin.
• Understanding of power quality.
• Ability to read and interpret single-line and technical diagrams and communicate to non-technical colleagues.
• Basic understanding of HVAC and mechanical systems.
• Strong communicator in technical meetings to pass on operational requirements to projects teams and GCs.
• Ability to express potential design issues on behalf of operations during design stages.

Responsibilities

• Author high voltage switching instructions and lead peer reviews for procedure accuracy.
• Prepare or review MOPs for construction-based electrical integration works.
• Review and assist in MOPs from partners for MV or LV works.
• Carry out MV switching with local DC operations team on HK sites.
• Lead maintenance and inspection of HV/LV switchgear and transformers (11kV to 380V).
• Lead maintenance and inspection of LV network including generators, UPSs, DC systems and busways.
• Assist commissioning team with HV/LV electrical apparatus (kiosks, UPS, generators).
• Assist in design reviews for new HK projects.
• Maintain in-depth knowledge of LV infrastructure: kiosks, PTU, UPS, busways, other LV equipment.
• Understand HK electrical codes and standards.
• Support Safety team during incident investigations with technical mentorship.

Skills

HV switching

LV systems

Electrical licensing

English/Mandarin bilingual

Reading diagrams

Safety compliance

Job description

AirTrunk in Hong Kong is seeking an Electrical Systems Specialist to lead high voltage switching operations and oversee MV/LV electrical systems across HK sites. You will collaborate with DC Operations and Development teams to develop safe procedures, review MOPs, and ensure compliance with local electrical codes.

The role requires deep HV/LV experience (minimum 8 years), HK electrical licensing, and strong communication in English and Cantonese/M Mandarin/Mandarin.