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.
The Senior Tax Manager is responsible for leading and managing tax workstreams relating to new market entry, new projects, joint venture, mergers and acquisitions (M&A), divestments, and corporate restructuring initiatives across multiple jurisdictions in Asia, Europe and South America The role focuses on tax due diligence, transaction execution, restructuring implementation, and post-deal integration, ensuring tax risks are identified, managed, and appropriately documented in accordance with applicable tax laws and regulatory requirements.
Key Responsibilities1.NME, New Projects, Joint ventures and M&A Tax Due Diligence & Post Deal Integration- Lead and manage tax due diligence processes across multiple jurisdictions in Asia, Europe and Latin America.
- Provide technical tax input on new market entries, new projects and legal entities set up, acquisitions, disposals, and investment transactions, including SPA review
- Work out and implement mitigation plans of tax risks and exposures identified during due diligence, in the post deal integration phase.
- Maintain documentation of post-transaction tax positions and assumptions
2.Corporate Structuring
- Support expansion plans and advise most appropriate legal structure in new markets/ventures for tax optimization purposes.
- Lead tax workstreams for group structuring exercises
- Evaluate all tax implications arising from asset transfers, share transfers, and business organisations,.
- Support review of transaction documents to ensure tax positions are appropriately reflected and protected
- Coordinate with legal and finance teams to ensure seamless execution of structuring and/or post deal integration initiatives
- Minimum 10 years of relevant experience in deal advisory with regional or global exposure
- Strong analytical capability with ability to assess tax risks and implications across jurisdictions
- Ability to translate complex technical tax concepts into practical business and deal insights
- Strong project management skills and ability to manage multiple concurrent workstreams and strong communication skills for cross-functional projects
- Degree in Accounting, Finance, Tax, or Law
- Professional qualification (e.g. CPA, ACCA, CTA or equivalent) preferred
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.
Skills Required
- Minimum 10 years of relevant experience in deal advisory with regional or global exposure
- Experience leading tax due diligence, transaction execution, restructuring implementation, and post-deal integration
- Experience advising on new market entry, entity setup, joint ventures, acquisitions and disposals (including SPA review)
- Knowledge of cross-border tax implications across Asia, Europe and Latin America
- Ability to assess and mitigate tax risks and document post-transaction tax positions
- Strong analytical skills and ability to translate complex tax concepts into practical business and deal insights
- Strong project management skills; ability to manage multiple concurrent workstreams
- Strong communication skills for cross-functional collaboration with legal and finance teams
- Degree in Accounting, Finance, Tax, or Law
- Professional qualification (e.g., CPA, ACCA, CTA or equivalent)
What We Do
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.
