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.
Job Description
Role Summary
As Technical Account Manager, you will support DayOne’s sales efforts by providing the technical depth needed to engage complex hyperscale customers. This role sits within the sales team and is intended to complement customer-facing account management with strong technical coordination and program delivery support.
The role is based in Singapore and is expected to work closely with commercial, design, delivery, operations, construction, and customer engineering teams. Reporting lines are still being finalized, but the role will work directly with key internal stakeholders across the commercial and technical organization.
This hire is critical because DayOne is expanding into increasingly complex, large-scale hyperscale opportunities with increasing multi-megawatt capacity requirements. The business needs someone who can bridge customer technical requirements and internal execution teams, helping shape contracts, align delivery expectations, and support growth in strategic hyperscale accounts.
Core Responsibilities
- Act as the technical counterpart to the sales team for hyperscale accounts, supporting opportunity development through technical and execution alignment.
- Lead coordination between customer engineering teams and DayOne’s internal design, delivery, operations, and construction stakeholders.
- Translate complex customer fit-out, connectivity, and data hall requirements into clear internal actions and workable technical responses.
- Support the development of large, complex contracts by driving the technical workstream that informs scope, feasibility, and delivery commitments.
- Manage cross-functional discussions to keep technical decisions, timelines, and dependencies aligned across internal and external teams.
- Provide structured program management support across multiple stakeholders involved in high-capacity data center opportunities.
- Identify technical risks, gaps, and execution challenges early, and work with the right teams to resolve them before they impact customer commitments.
- Help build confidence with hyperscale customers by bringing clarity, rigor, and coordination to technically demanding engagements.
What You'll Bring
- Proven experience supporting hyperscale customers in a data center environment.
- Strong track record working on large-scale capacity projects, Ability to coordinate complex technical and delivery discussions across customer teams and internal stakeholders.
- Solid program management capability, with the ability to organize moving parts, drive follow-through, and keep technical workstreams on track.
- Practical understanding of data center solutioning, including customer technical requirements related to data hall environments, fit-out, and connectivity.
- Ability to work effectively across sales and engineering functions, serving as a clear bridge between front-end account activity and back-end execution.
- Strong communication and stakeholder management skills in customer-facing and cross-functional settings.
Nice to Have
- Experience in a traditional pre-sales or technical solutions role within the data center industry.
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
- Proven experience supporting hyperscale customers in a data center environment
- Strong track record working on large-scale capacity projects and coordinating complex technical and delivery discussions
- Solid program management capability to organize moving parts and drive follow-through
- Practical understanding of data center solutioning including data hall environments, fit-out, and connectivity
- Ability to work effectively across sales and engineering functions as a bridge between account activity and execution
- Strong communication and stakeholder management skills in customer-facing and cross-functional settings
- Experience in pre-sales or technical solutions role within the data center industry
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.
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