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. Role Purpose: To provide accurate cost estimation for MEP equipment and on-site installation activities from an owner’s perspective. This role supports procurement decisions, budget control, and value engineering. Key Responsibilities: Develop detailed cost estimates for direct supply items (transformers, UPS, switchgear, chillers, cooling towers, etc.) including equipment, freight, taxes, and delivery. For Installation Costing: Estimate on-site labor rates, subcontractor expenses, productivity factors, and installation efficiency for data centre fit-out. Benchmark costs against industry standards, historical data, and market intelligence. Support value engineering exercises by comparing alternative designs/materials. Work with procurement to validate supplier quotations and identify cost-saving opportunities. Prepare cost breakdowns for management approval and board presentations. Track actual vs estimated costs and provide variance analysis. Qualifications & Experience: Bachelor’s degree in Quantity Surveying, Mechanical/Electrical Engineering, or Construction Management. 5+ years in MEP costing or installation costing for data centres, industrial plants, or large-scale infrastructure. Strong knowledge of data centre MEP systems (electrical, cooling, fire protection, BMS). Proficiency in cost estimation software and Excel. Understanding of local labor rates and subcontracting practices in Malaysia/SEA 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!

Costing Engineer (Installation).

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