--- title: 'Critical Facility Manager (Japan) at STACK Infrastructure APAC' canonical: 'https://feeny.ai/job/critical-facility-manager-japan-stack-infrastructure-apac-keihanna-sq99dzf64ecb' type: 'job' last_seen: '2026-09-10' --- # Critical Facility Manager (Japan) at STACK Infrastructure APAC - **Company:** STACK Infrastructure APAC - **Location:** Keihanna, Japan - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-06-19 - **Last confirmed live:** 2026-09-10 - **Apply:** https://jobs.ashbyhq.com/stack-infrastructure-apac-pte-ltd/61187e35-5936-4de4-adf7-ed68445b0590/application **Skills:** BMS/EPMS, CMMS, Electrical systems, Mechanical systems, HVAC, UPS, Generators, Fire/life safety systems, Permit-to-work, LOTO, Risk assessments, Data center operations, Mission-critical environments, SOP/MOP/EOP review, Commissioning documentation > The Critical Facility Manager leads the safe, compliant, and reliable operation of mission-critical data center infrastructure in Japan. This senior role oversees electrical and mechanical operations, manages incident response, and ensures 100% uptime through disciplined operational leadership and vendor coordination. ## 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 The Critical Facility Manager is accountable for the safe, compliant and reliable operation of the site’s mission‑critical infrastructure. This role provides operational leadership, technical governance and disciplined execution to support STACK’s 100% uptime commitment and our expectation of concierge‑level customer service. The position leads day‑to‑day critical facilities operations through the Electrical and Mechanical Critical Operations Supervisors, ensuring consistent shift execution, strong operational control and effective escalation management for significant events or multi‑discipline issues. The Critical Facility Manager ensures operational readiness, procedure quality, risk management, vendor performance and return‑to‑service governance, and participates in a rotating on‑call roster to provide after‑hours escalation and incident support. Essential Functions – Critical Operations - Uphold STACK’s 100% uptime objective through disciplined operational leadership, oversight and governance of mission‑critical infrastructure. - Provide day‑to‑day operational leadership of the FM team through Electrical and Mechanical Supervisors, ensuring consistent standards across all shifts and 24/7 coverage. - Maintain real‑time situational awareness of plant condition, redundancy state and key risk indicators using BMS/EPMS visibility, shift communications and field verification. - Act as the primary escalation point for significant events and multi‑discipline technical issues, ensuring timely stabilisation and clear stakeholder updates. - Ensure safe and compliant operation of all critical mechanical and electrical systems, including distribution, UPS, generators, cooling infrastructure and fire/life safety systems. - Lead and govern incident response and recovery activities, including acting as incident manager when required, and ensuring structured post‑incident reviews. - Govern operational documentation and execution standards, including SOPs, MOPs, EOPs, handover quality, alarm handling and operating boundaries. - Oversee work control and safe systems of work including permit‑to‑work, isolations/LOTO, risk assessments, method statements and return‑to‑service validation. - Coordinate and oversee planned maintenance and critical activities that impact availability or redundancy, ensuring safe planning, communication and return‑to‑service confirmation. - Direct and monitor vendor activities affecting critical systems to ensure safe execution, compliance and correct post‑work configuration. - Ensure CMMS and operational data remain accurate, complete and compliant for audits and operational decision‑making. - Identify systemic risks, recurring issues, capacity constraints or documentation gaps and drive mitigations. - Support minor works and operationally‑led improvements, ensuring changes are controlled, tested and documented prior to operational acceptance. - Ensure training, competency and authorisation requirements for the FM team are defined, achieved and maintained. - Produce a monthly FM report focused on FM team performance, incidents, risks, training/authorisations, vendor performance (operational) and continuous improvement. People - Model outstanding safety behaviour, operational discipline and professional conduct. - Lead, coach and develop the Electrical and Mechanical Supervisors to ensure consistent leadership and technical governance. - Drive consistent communication standards, including structured handovers, escalation pathways and technical clarity across shifts. - Ensure effective onboarding and familiarisation for new team members, including site safety, escalation protocols and customer expectations. - Hold FM team members accountable to performance standards and address underperformance appropriately and promptly. - Collaborate with Security, Projects and other stakeholders to support safe and coordinated operations across the site. - Represent Critical Operations during tours, audits, customer visits and technical discussions with a professional and service‑focused presence. Competencies - Advanced operational judgement in mission‑critical environments. - Strong technical understanding of critical electrical and mechanical systems. - Proven incident response and stabilisation capability under pressure. - Strong governance of work control, PTW/LOTO, risk assessments and return‑to‑service validation. - High‑quality written and verbal communication. - Ability to lead supervisors and drive consistent execution across multiple shifts. - Strong vendor coordination skills for critical maintenance and high‑risk activities. - Proficiency with BMS/EPMS, CMMS and operational data systems. - Risk‑based decision‑making aligned to safety, compliance and availability. - Continuous improvement mindset focused on reliability and operational excellence. - Calm, authoritative presence during escalations and operational events. - Strong procedural discipline and ability to uplift operational standards. ## Preferred Education and Experience - Electrical, Mechanical/HVAC/Refrigeration trade qualification or license, or relevant engineering qualification recognised in Japan. - Experience leading operations in data centres or other mission‑critical environments. - Strong understanding of critical electrical and mechanical systems including distribution, backup power, cooling and fire/life safety. - Experience in incident management, escalation handling and emergency response. - Experience reviewing SOPs, MOPs, EOPs, risk assessments and commissioning/return‑to‑service documentation. - Knowledge of PTW, isolations/LOTO and operational risk frameworks. - Experience leading supervisors and teams across shift‑based operations. - Basic to Intermediate level of English proficiency in written and verbal communications. Work Environment/Conditions - This is a Monday–Friday position with rotating on‑call requirements to support after-hours incidents and escalations. - Work occurs across data halls, plant rooms, electrical/mechanical spaces and external plant areas; PPE required under site policy. - Participation in emergency response, readiness exercises and incident management activities is required. Travel Required - Minimal travel expected; occasional travel between local STACK facilities may be required based on operational needs. Additional Eligibility Requirements - Completion of STACK onboarding and required safety/compliance training. - Ability to meet site authorisation requirements for system operation and system access. - Physical capability to perform inspections, rounds and emergency response tasks. - Ongoing compliance with STACK policies, procedures and behavioural standards. Work Authorization/Security Clearance Requirements - Legal entitlement to work in Japan. - Ability to satisfy pre-employment screening requirements (as applicable), including right-to-work checks, background checks and reference checks. - Ability to meet data centre security requirements including badging, access control and adherence to customer-mandated security protocols. - Security clearance is not required unless specified for a customer-specific facility. ## Equal Opportunity Employer STACK provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. ## 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 - [High Voltage Operations Manager (Australia)](https://feeny.ai/job/high-voltage-operations-manager-australia-stack-infrastructure-apac-truganina-gvadnmp5cnad) — Truganina, Australia - [Senior Grid Connection Manager (APAC)](https://feeny.ai/job/senior-grid-connection-manager-apac-stack-infrastructure-apac-cremorne-gk4aesvm0kya) — Cremorne, Australia - [Director, Engineering (Japan)](https://feeny.ai/job/director-engineering-japan-stack-infrastructure-apac-tokyo-d39apx8v4cay) — Tokyo, Japan - [Energy Portfolio Analyst (Australia)](https://feeny.ai/job/energy-portfolio-analyst-australia-stack-infrastructure-apac-cremorne-73afm1dknxwc) — Cremorne, Australia - [Critical Operations Technician - Mechanical (Australia)](https://feeny.ai/job/critical-operations-technician-mechanical-australia-stack-infrastructure-apac-phwc8zg5gpc9) — Truganina, Australia - [Senior ICT Server Infrastructure Project Engineer (Australia)](https://feeny.ai/job/senior-ict-server-infrastructure-project-engineer-australia-stack-jxdpmt91xe71) — Truganina, Australia - [Head of Information Technology (APAC)](https://feeny.ai/job/head-of-information-technology-apac-stack-infrastructure-apac-melbourne-nmcbda9dqsyb) — Melbourne, Australia - [Project Manager (Tokyo, Japan)](https://feeny.ai/job/project-manager-tokyo-japan-stack-infrastructure-apac-tokyo-ra9v49d1y40e) — Tokyo, Japan - [Project Fit Out Manager (Osaka, Japan)](https://feeny.ai/job/project-fit-out-manager-osaka-japan-stack-infrastructure-apac-osaka-dxxzdq0nhyc7) — Osaka, Japan - [Senior Project Manager – HV Infrastructure (Australia)](https://feeny.ai/job/senior-project-manager-hv-infrastructure-australia-stack-infrastructure-apac-jhzhfgaxeaxr) — Melbourne, Australia