Site Planning Manager

### Datacenter Operations & Planning • Manage datacenter contracts and coordinate with service providers, telco installers, and DCIM suppliers. • Maintain and update electrical design and structured cabling documentation for all contracted machine rooms. • Lead change management for datacenter facilities (mechanical, electrical, telecom). • Manage DC capacity planning, especially power and cooling, in coordination with service providers. • Oversee physical security and access control reporting. • Maintain facility design and operational standards. ### Project Management & Strategy • Act as project coordinator, account manager, or project manager for DC projects. • Drive and execute DC fit-outs, migrations, and expansion projects, including pre-sales and internal project management. • Create project briefs, manage budgets, and present proposals to stakeholders. • Participate in commissioning and quality assurance for all DC fit-out projects. • Negotiate contract renewals and propose site planning & DC infrastructure strategies to senior management. • Support auditing activities for risk management and quality assurance. • Manage colo-site customer relationships for pre-sales and vendor work delivery. ### Requirements • Native-level Japanese and strong English writing skills. • Proven experience in datacenter operations, focusing on infrastructure beyond 19” racks. • Hands-on experience in ICT infrastructure projects (build, expansion, migration, or retirement). • Knowledge of telecom or enterprise network infrastructure. • Training or certification in structured cabling systems (Panduit, Siemon, Commscope, etc.) preferred. • Electrical engineering certification is highly advantageous. • Familiarity with design standards such as ANSI/TIA-942, ANSI/TIA-568, ISO/IEC 11801-5, or experience creating RFPs for ICT infrastructure projects. • Experience creating project budgets or quotations for large-scale structured cabling or construction works. • Understanding of ITIL or ITSM methodologies. • Familiarity with project management frameworks (Prince2, PMP) is a plus. • Strong supply chain management and vendor communication skills. • Excellent documentation and presentation skills; ability to act as a consultant is a plus.