Senior Electrical Engineer – Data Centre (Japan)

Misión As one of our founding hires in Japan, the Senior Electrical Engineer will serve as the technical authority for all electrical engineering aspects of data centre projects in the Japanese market. The role requires deep expertise in high-voltage and low-voltage power systems, critical power infrastructure, and a thorough working knowledge of Japanese electrical codes, regulations, and utility frameworks — the essential "know-how in Japan" required to deliver compliant and reliable data centre facilities. What will be your responsibilities? Electrical Engineering & Design Lead the end-to-end electrical design of data centre facilities, including HV/LV power distribution, UPS systems, standby generators, automatic transfer switches (ATS), switchgear, and busbar systems. Develop single-line diagrams, load calculations, short-circuit studies, cable schedules, earthing and lightning protection designs, and electrical equipment layouts. Design and specify critical power systems to meet Uptime Institute Tier Standards, client reliability requirements, and Japanese regulatory requirements. Conduct power quality assessments, energy efficiency analyses, and PUE optimisation reviews. Oversee BIM/CAD deliverables and ensure drawing accuracy, coordination, and compliance with B Global Tech's design standards. Japanese Regulatory Compliance (Know-how in Japan) Ensure all electrical designs comply with the Electricity Business Act, Building Standards Act, Fire Service Act, and relevant JIS/JEC standards. Manage the High Voltage Electrical Work permit process and liaise with TEPCO and other regional utilities for grid connection, capacity reservations, and inspections. Coordinate with the Electrical Safety Inspection Corporation and relevant inspection authorities for commissioning approvals. Advise on electrical contractor licensing requirements under Japanese law and review contractor qualifications accordingly. Construction & Commissioning Support Provide technical guidance during procurement, construction, and commissioning phases, including the review of shop drawings, RFIs, and method statements. Witness and review Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT) for critical electrical equipment. Support the preparation of O&M documentation, as-built drawings, and handover packages. Collaboration & Leadership Work closely with mechanical, structural, and architectural teams across Barcelona HQ and APAC offices to ensure fully coordinated designs. Support business development activities, including technical proposals, client presentations, and scope definition. Mentor junior engineers and contribute to building B Global Tech's engineering capability in Japan. This is the profile we are looking for Education & Certification Japanese Nationals preferred. Bachelor's or Master's degree in Electrical Engineering or a closely related discipline. Japanese professional licensure is highly desirable: First-Class Electrical Work…