---
title: 'Customer Success Manager (Japan) at STACK Infrastructure APAC'
canonical: 'https://feeny.ai/job/customer-success-manager-japan-stack-infrastructure-apac-osaka-9254kwqfytpw'
type: 'job'
last_seen: '2026-10-29'
---

# Customer Success Manager (Japan) at STACK Infrastructure APAC

- **Company:** STACK Infrastructure APAC
- **Location:** Osaka, Japan
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-10-16
- **Last confirmed live:** 2026-10-29
- **Apply:** https://jobs.ashbyhq.com/stack-infrastructure-apac-pte-ltd/d7b1eb7c-4082-4987-a28c-6c28cd30fe0b

## Job description

Company Overview STACK Infrastructure builds, owns, and operates hyperscale and colocation data centers that power the world’s most ambitious technology companies. With a rapidly expanding footprint across APAC, STACK combines deep development expertise, flexible capital, and operational discipline to deliver critical digital infrastructure at scale. Our clients include the largest hyperscale cloud platforms. We are building a regional platform defined by speed of delivery, power reliability, and long-term partnership — and we are assembling the team to lead that effort.

Summary/Objective Reporting to the Senior Customer Success Manager, Japan this role is responsible for ensuring customer contractual compliance, achieving service level targets, and driving overall customer satisfaction. In this role, you will act as a trusted escalation point for customers, delivering prompt and professional support while championing a seamless and consistent experience. You will play a critical role in fostering long-term customer relationships by ensuring operational excellence and advocating customer needs across the business.

## Responsibilities

- Administer the Customer Success framework by aligning customer expectations with STACK’s data centre operational model, including implementing service management processes and driving continuous improvement initiatives.
- Lead the coordination of customer projects, ensuring they adhere to internal standards, governance frameworks, and customer requirements.
- Working closely with the customer and STACK teams during construction phase activities in partnership with the STACK delivery team, ensuring contract compliance, timeline visibility, variation tracking, and accurate billing for new data centre and data hall builds.
- Oversee customer transition from construction to operations, driving customer operational readiness activities to ensure teams, processes, systems, and service management capabilities are fully prepared for the customer prior to go-live, facilitating a smooth and successful handover to operations.
- Build and maintain strong relationships with key customer stakeholders, championing a customer-centric approach across all touchpoints.
- Act as a primary point of escalation for customer issues, ensuring timely resolution and clear communication throughout the process.
- Participate in team on call requirements for incident management ensuring STACK delivers consistent, transparent, customer-focused communications.
- Represent STACK in customer meetings, providing strategic insights and ensuring alignment with customer goals and expectations.
- Collaborate with cross-functional teams to identify and resolve customer pain points, ensuring the delivery of world-class services.
- Monitor account performance, identify areas for improvement, and implement corrective actions to enhance customer outcomes.
- Manage the customer onboarding process, ensuring smooth transitions and successful implementations that meet customer requirements.
- Enforce best practices for incident management, problem resolution, and escalation procedures to maintain service excellence.
- Take ownership of service delivery efforts, working closely with internal teams to meet customer needs and uphold service level agreements (SLAs).

Travel Required

- Travel between the data center sites and the STACK Japan head office will be required from time to time.
- Travel to other STACK data center sites within Japan and internationally will be required from time to time.

## What You’ll Bring

- 5+ years’ experience in data center colocation account management/operations.
- High level of motivation and initiative.
- Strong understanding of account management techniques and disciplines.
- Proven knowledge and execution of successful continuous improvement strategies.
- Ability to interact with all levels of an organisation.
- Ability to manage complex issues of diverse scope.
- Strong understanding of both local and international customer service norms, expectations, and corporate culture.
- Native-level proficiency in both written and spoken Japanese and English.

## About STACK Infrastructure APAC

## Company Overview
- **One-liner**: STACK Infrastructure APAC is the Asia-Pacific arm of STACK Infrastructure, a global developer and operator of wholesale, colocation, and cloud data centers, providing scalable digital infrastructure for hyperscale and enterprise companies.
- **Entity Type**: Private (Subsidiary of STACK Infrastructure; registered as a Private Company Limited by Shares in Singapore)
- **Headquarters**: Singapore (18 Robinson Road, #24-02 18 Robinson, Singapore 048547)
- **Founded**: 2021 (incorporated on 1 November 2021)
- **Founders**: Not publicly available

## Core Business
- **Primary industry**: Data centers / digital infrastructure
- **Target customers**: Hyperscale cloud providers and global enterprise companies (B2B)
- **Mission or purpose**: “Providing digital infrastructure to scale the world’s most innovative companies” – delivering tailored solutions at any scale across the APAC region.

## Products & Services
- **Data Center Solutions**: A comprehensive suite including campus development, build-to-suit, colocation, and powered shell solutions. Facilities are designed for high reliability, efficiency, and sustainability.
- **Key APAC Locations** (with reported power capacity):
  - Melbourne, Australia – 2 sites, 432 MW
  - Sydney, Australia – 1 site, 360 MW
  - Tokyo, Japan – 1 site, 36 MW (plus additional capacity in Kansai area)
  - Osaka, Japan – 1 site, 78 MW
  - Johor Bahru, Malaysia – 1 site, 216 MW
- **Service Type**: Wholesale data center infrastructure (physical, not SaaS/API)

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private entity)
- **Key Metric**: Total IT capacity across APAC campuses exceeds 1,100 MW (sum of listed sites); currently operating 4 campuses with significant expansion underway.
- **Notable Investors/Partners**: Not publicly disclosed; STACK Infrastructure global is backed by institutional investors (e.g., IPI Partners, though not confirmed for APAC entity specifically).
- **Growth Signals**: Active expansion in Japan, Australia, South Korea, and Malaysia; headcount has grown from ~7 to ~14 employees (per Singapore registry filings); multiple open positions listed on careers page.

## Competitive Advantages
- **Global platform**: Leverages STACK Infrastructure’s proven design, operational expertise, and supply chain across North America, EMEA, and APAC.
- **Scale and speed**: Ability to deliver large-scale campuses (e.g., 432 MW in Melbourne) with “unprecedented speed and scale” tailored to hyperscale requirements.
- **Client-first approach**: Offers flexible solutions (campus, build-to-suit, colocation, powered shell) to meet diverse needs.
- **Award-winning**: Recognized as an industry leader in building, owning, and operating data centers.

## Strategic Focus
- **APAC expansion**: Prioritizing large-scale projects in key markets (Japan, Australia, Malaysia, South Korea) to meet surging demand for digital infrastructure.
- **Sustainability**: Building facilities to “the highest standards of reliability, efficiency, and sustainability.”
- **Talent growth**: Actively hiring across technical, legal, and marketing roles to support regional growth.

## Why Work Here
- **Culture**: Emphasizes inclusivity, growth, and dynamic collaboration; “diverse perspectives are celebrated, and career development is central.”
- **Impact**: Work directly supports the digital foundation for innovative global companies.
- **Benefits**: “Exceptional benefits” offered (specifics not detailed on public pages).
- **Work policy**: Not explicitly stated; likely hybrid/on-site at data center campuses or the Singapore regional HQ.
- **Engineering culture**: Opportunities for systems administrators, digital controls leads, and other technical roles in a high-growth industry.

## Sources
1. [careers-page.com](https://www.careers-page.com/stack-infrastructure) – Career page overview
2. [stackinfra.com](https://www.stackinfra.com/about/careers/) – Company values and benefits
3. [stackinfra.com](https://www.stackinfra.com/locations/asia-pacific/) – APAC locations and capacity details
4. [stackinfra.com](https://www.stackinfra.com/japan-en/) – Japan-specific overview and mission
5. [recordowl.com](https://recordowl.com/company/stack-infrastructure-apac-pte-ltd) – Singapore company registration, employee count, and industry classification

## Other roles at STACK Infrastructure APAC

- [•	Cost & Procurement Assistant Manager (Japan)](https://feeny.ai/job/cost-procurement-assistant-manager-japan-stack-infrastructure-apac-tokyo-xngf8msek053) — Tokyo, Japan
- [Construction Engineer (Japan)](https://feeny.ai/job/construction-engineer-japan-stack-infrastructure-apac-tokyo-en927ejg98kq) — Tokyo, Japan
- [Project Director (Japan)](https://feeny.ai/job/project-director-japan-stack-infrastructure-apac-tokyo-rnc29vrmwxq9) — Tokyo, Japan
- [Senior Electrical Commissioning Manager (Australia)](https://feeny.ai/job/senior-electrical-commissioning-manager-australia-stack-infrastructure-apac-ggyy4ys4dq7b) — Truganina, Australia
- [People & Culture Business Partner - Operations (Australia)](https://feeny.ai/job/people-culture-business-partner-operations-australia-stack-infrastructure-apac-ff2yd1bq2fkq) — Truganina, Australia
- [Vice President Security Risk and Resilience (APAC)](https://feeny.ai/job/vice-president-security-risk-and-resilience-apac-stack-infrastructure-apac-t3vacp4thfng) — Truganina, Australia
- [Critical Operations Coordinator (Japan)](https://feeny.ai/job/critical-operations-coordinator-japan-stack-infrastructure-apac-keihanna-zf1ecg2rwh93) — Keihanna, Japan
- [Project Manager – HV Infrastructure](https://feeny.ai/job/project-manager-hv-infrastructure-stack-infrastructure-apac-melbourne-awxmxqn635k8) — Melbourne, Australia
- [Project Engineer – HV Infrastructure](https://feeny.ai/job/project-engineer-hv-infrastructure-stack-infrastructure-apac-melbourne-xwtr3cdn8y6h) — Melbourne, Australia
- [Commissioning Manager (Japan)](https://feeny.ai/job/commissioning-manager-japan-stack-infrastructure-apac-inzai-e3wfrm7040zw) — Inzai, Japan