High Voltage Chargeman

About DayOne Data Centers

DayOne Data Centers is a Singapore-headquartered global digital infrastructure platform that develops and operates next-generation data centers across Asia Pacific and Europe. Trusted by leading hyperscalers and businesses, the company engineers, builds, and operates high-capacity, AI-ready campuses with speed, scale, and reliability.

Key Responsibilities

• Perform electrical switching, isolation, and testing in accordance with licensing requirements and safety standards.
• Conduct round checks at all incoming substations (CLS) Campus wide.
• Lead all MV generator routine test run as per Preventive Maintenance plan.
• Support and assist with critical troubleshooting work and fault diagnostic on all electrical equipment Campus wide.
• Lead and support emergency response during incidents. Support and accompany DC Ops/ contractors to enter MV Power Module.
• Work closely with engineers and advise with MOP & SOP development for electrical system.
• Ensure their Chargeman certification is valid and registered with Energy Commission under DayOne.

Candidate Requirements

• At least a valid B0-11kV Chargeman certificate.
• 3+ years hands-on experience in in electrical systems.
• Strong understanding of UPS, switchgear, grounding systems, generators, and other electrical infrastructure
• Ability to supervise and guide technicians.
• Good understanding of workplace safety and LOTO practices. Ability to work under pressure during critical incidents.
• Willing to work on a 12 hour shift.

DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey.