High Voltage Chargeman (Shift)

DayOne Data Centers Ltd.; Malaysia; Hybrid; MYR 90,000 - 130,000; Full time

Job summary

DayOne is a global leader in developing and operating high-performance data centers with a growing presence across Asia and Europe. This role supports electrical switching, testing, and preventive maintenance to keep critical infrastructure online.

Based in Malaysia, you will work on 12-hour shifts, supervise technicians, and ensure safety through LOTO practices and a valid Chargeman certificate. DayOne offers an inclusive environment and opportunities to contribute to cutting-edge data

Qualifications

• Valid B0-11kV Chargeman certificate.
• 3+ years hands-on electrical experience.
• Knowledge of UPS, switchgear, grounding, and generators.
• Ability to supervise technicians and work in 12-hour shifts.
• Strong safety mindset and adherence to LOTO practices.

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 critical troubleshooting and fault diagnostics on electrical equipment Campus wide.
• Lead and support emergency response during incidents.
• Support and accompany DC Ops/contractors to enter MV Power Module.
• Work with engineers and contribute to MOP & SOP development for electrical system.
• Ensure Chargeman certification is valid and registered with Energy Commission under DayOne.

Skills

Electrical experience

Supervisory skills

Work under pressure

LOTO awareness

Education

Chargeman certificate (BO-11kV)

Job description

Join DayOne – Shaping the Future of Data Infrastructure

DayOne is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started. As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey. This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of global data infrastructure. If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter.

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.

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.