Customer Success Manager

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.

About DayOne

DayOne builds and operates hyperscale data centers across eight markets in APAC and Europe. We raised US$4.5B in Series C funding and are in active build across the region.

About the Role

We are seeking an experienced Customer Success Manager to own the customer relationship and oversee the successful delivery of contracted services and data center projects. As the primary liaison between customers and internal teams, you will ensure operational excellence, resolve issues proactively, and drive customer satisfaction.

You will lead cross-functional delivery teams, maintain performance against Service Level Agreements (SLAs), and build trusted, long-term customer relationships.

Responsibilities

Customer Relationship Management

• Serve as the primary point of contact for customers, ensuring clear communication and alignment across all service and project touchpoints.
• Build and maintain strong, strategic relationships with customers, acting as a trusted advisor and advocate for their success.

Service Delivery & Operations

• Oversee the end-to-end delivery of contracted services, ensuring adherence to SLAs, timelines, and budget constraints.
• Lead virtual delivery teams to ensure operational efficiency and high levels of customer satisfaction.
• Monitor service performance and drive continuous improvement, proactively addressing risks and issues.

Project Management

• Manage the full lifecycle of data center construction and customization projects, from planning through customer handover.
• Coordinate with sales, presales, design, construction, and testing and commissioning teams to keep projects on track for successful customer handover.
• Ensure project delivery meets quality, cost, and schedule expectations while effectively managing risks and escalations.

Compliance & Governance

• Ensure all activities comply with internal policies, procurement standards, audit requirements, and ITIL-based processes.
• Maintain accurate documentation and reporting for project and service delivery milestones.

Cross-Functional Collaboration

• Align internal resources to support both project execution and ongoing service operations.
• Collaborate with operations, network, and IT service teams to ensure seamless service continuity and customer satisfaction.

Requirements

Technical Skills

• Bachelor’s degree in Mechanical Engineering, Electrical Engineering, or a related discipline, or equivalent relevant experience.
• More than 7 years of work experience in the data center, MEP consultancy, construction, or IT industry.

Soft Skills

• Excellent customer-facing experience, with strong communication, presentation, coordination, and report-writing skills.
• Strong commitment to client service and the ability to respond effectively to urgent public relations issues.
• Skilled conflict mediator and trusted client advisor.
• Proficiency in English is mandatory; a second language is an advantage for communicating effectively with clients across different region

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.