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. About DayOne Behind every app, every AI tool, every connected experience, there is a data center. DayOne builds them. Headquartered in Singapore and operating across seven countries in Asia-Pacific and Europe, we are one of the fastest-growing data center companies in the world, backed by US$4.5B+ in Series C funding. We build at scale, in markets that matter, on roadmaps that are still being written About The Role The Senior Tax Manager is responsible for overseeing tax compliance and risk management across multiple APAC jurisdictions, including Thailand, Japan, Hong Kong, Singapore, Indonesia, India, and Australia. The role ensures full compliance with local tax requirements, supports business operations through practical tax advice, and manages regional tax risks, audits, and stakeholder engagement. 1. Regional Tax Compliance • Oversee corporate income tax, GST/VAT, withholding tax filings across all jurisdictions • Ensure timely and accurate tax submissions and maintain regional compliance calendar • Review tax computations, returns, and provisions 2. Transfer Pricing • Work with transfer pricing manager and external TP advisor to ensure compliance with transfer pricing policies and documentation (Local File ) • Monitor intercompany transactions and cross-border arrangements and ensure supporting evidence are audit-ready 3. Tax Audits & Risk Management • Manage tax audits and authority queries across jurisdictions • Identify and mitigate tax risks, ensuring strong governance and controls 5. Regulatory Monitoring & Stakeholder Management • Monitor changes in tax laws across APAC and assess impact • Ensure timely implementation of regulatory changes • Act as regional tax lead, coordinating with in-country teams and external advisors • Drive process standardization, automation, and efficiency improvements Requirements • Degree in Accounting / Finance / Tax with more than 8 years of tax experience with regional APAC exposure • Experience in MNC environment and/or Big 4 • Strong knowledge of APAC tax regimes (direct & indirect) • Ability to manage multi-country compliance simultaneously • Strong analytical, stakeholder management, and communication skills • High attention to detail; ability to operate under tight timelines Good to Have • Professional qualification (CPA / ACCA / CA) preferred Why DayOne At DayOne, the line from your work to the outcome is short. You will be handed real scope early, backed by 40+ training hours per year and managers who coach as you go. You will move fast, build real things, and grow as quickly as the company does, with the team behind you every step of the way. If ownership and making your mark from day one are what drive you, this is that place. 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!

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9 Jan, 2026

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