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.
Billing & Collection Operations
- Responsible for invoice issuance based on validated charges
- Ensure timely and accurate billing, preventing delays that impact cash flow and DSO
- Coordinate with relevant department to confirm billable items
- Follow up on overdue accounts, sending reminders and managing payment follow-up
- Handle customer communication regarding invoice status, payment queries, and adjustments
- Record all collection interactions and prepare collection status reports
- Handle customer disputes in collaboration with the Billing Center Manager / Team Lead
- Coordinate with Sales, Operations, Project teams, and Billing to resolve disputes efficiently
Process & Compliance
- Maintain AR records and ensure alignment with internal controls, company policies, and audit requirements
- Identify recurring billing issues and recommend process improvements
- Support month-end closing activities and reporting requirements
- Diploma in Finance, Accounting, or related field
- 1–2 years of experience in Billing, AR, Collection, or Finance Operations
- Experience in AR collection follow-up
- Familiarity with AR systems, SAP systems
- Experience in handling billing disputes and escalation processes is an advantage
- Candidates from Data Center environments or large corporates preferred
- Strong attention to detail and problem-solving skills
- Ability to manage multiple priorities and meet tight deadlines
- Good communication skills to interact with internal business teams and external customers
- Proficient in Excel and reporting tools; familiarity with automation / SAP systems is a plus
- Strong sense of ownership, accountability, and team collaboration
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
- Diploma in Finance, Accounting, or a related field
- 1–2 years of experience in billing, accounts receivable, collections, or finance operations
- Experience with accounts receivable collection follow-up
- Familiarity with AR systems and SAP systems
- Experience handling billing disputes and escalation processes
- Experience in data center environments or large corporations
- Strong attention to detail and problem-solving skills
- Ability to manage multiple priorities and meet tight deadlines
- Good communication skills for internal teams and external customers
- Proficiency in Excel and reporting tools
- Familiarity with automation systems
- Strong ownership, accountability, and collaboration
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.
