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. DayOne is a data center pioneer that develops and operates next-gen digital infrastructure for industry leaders who demand reliable, cost-effective and quickly scalable solutions. Our cutting-edge facilities empower hyperscalers and large enterprises to achieve rapid deployment and enhance connectivity, driving transformative engagement and innovation as we shape the future of industries. DayOne's data centers are located across key markets, including Singapore, Johor (Malaysia), Batam (Indonesia), Greater Bangkok, Hong Kong SAR, Tokyo, and beyond. Headquartered in Singapore, DayOne’s leadership team draws on over two decades of industry experience and a track record of building Asia's largest data center business. With DayOne, they have created the SIJORI (Singapore, Johor, and Riau Islands) market as a global data center hub. As demand for strategically located and customized data centers rises, DayOne's entrepreneurial spirit, customer-first strategy, deep local partnerships, and agile executional capabilities uniquely position us to power the growth ambitions of leading hyperscalers and large enterprises around the world. We’d love to get to know you! Tell us a bit about your background, experience, and what you're looking for in your next opportunity. The more we know, the better we can match you with roles that fit your goals. Let’s start with: - Your professional background, upload a copy of your latest resume. - Key skills and strengths - Career interests and goals This is your moment — make it count!

High Voltage Chargeman (Shift).

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