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High Voltage Chargeman

DayOne

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

About DayOne

  • 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.
  • 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.

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.

Requirements

  • 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.