DayOne
The Assistant Customer Success Manager serves as the primary contact for data center project delivery and ongoing service operations, ensuring alignment with service level agreements and cost targets. The role coordinates internal resources, leads virtual delivery teams, and manages the full account lifecycle from construction to operations while maintaining customer satisfaction and compliance.
Headquarters
Singapore, Central Region, Singapore
Company Size
1001-5000 employees
Founded
2022
DayOne is a pioneering data center company that develops and operates sustainable, interconnected digital infrastructure for hyperscale, cloud, and enterprise customers. The company delivers high-performance colocation capacity across Asia-Pacific markets including Singapore, Malaysia, Indonesia, Hong Kong, Japan, and Thailand, as well as Europe with a presence in Finland. DayOne is known for its proprietary SIJORI hub-and-spoke regional model and a strong commitment to sustainability and zero-carbon operations.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for DayOne.
DayOne didn’t post a salary, so this is our estimate from similar listings.
84% above the average for this role
Data center startup DayOne closes $2B+ funding round
Jan 6, 2026
Senior Account Delivery Manager - ST-ANP220519 003/01
Xcellink Pte Ltd
Senior Client Success Manager
White-Horse-224
Customer Success Manager
Applied
Regional Head of Customer Success, NAM
Cubic Corporation
Director of Customer Success and Implementation
PADO AI ORCHESTRATION
Data Center Operations Customer Liaison
Serverfarm