Senior Electrical Engineer – Data Centre (Japan)

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.
• 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.

Collaboration & Leadership

• 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 Technician, First or Second Class Electrical Engineer, or registered Professional Engineer (Gijutsushi) in Electrical & Electronics.

Uptime Institute Accredited Tier Designer (ATD) or similar data centre certification is an advantage.

Experience

• 8+ years of electrical engineering experience, with a minimum of 5 years specifically in data centre, mission-critical, or large-scale commercial M&E projects.
• Candidates must come from a consultancy background. Prior experience working within an engineering design or technical consultancy firm is a mandatory requirement.
• Demonstrated experience delivering electrical designs in Japan, with strong working knowledge of Japanese codes, utility processes, and local market practices.
• Experience with HV systems (6.6 kV and above) in Japanese data centre or industrial facilities.

Technical Skills

• Proficiency in electrical design and analysis tools, including AutoCAD, Revit MEP/BIM, ETAP, or SKM PowerTools for power system studies.
• Working knowledge of Uptime Institute Tier Standards, IEC Standards, and Japanese Industrial Standards (JIS/JEC).
• Strong understanding of data centre power infrastructure, including 2N, N+1, and concurrent maintainability concepts.

Language & Soft Skills

• Business-level Japanese (spoken and written) is essential for engaging with clients, authorities, and contractors in Japan.
• Professional working proficiency in English is required for coordination with Barcelona HQ and APAC offices.
• Strong communication and interpersonal skills, with the ability to present complex technical matters clearly to non-technical stakeholders.

Our benefits

• Hybrid working arrangement – 2 days in the office, with the remaining 3 days working from home
• Company-provided laptop and accessories

Medical & Outpatient benefits

Hospitalization insurance

• Annual leave – starting from 18 days per year
• Performance-based annual bonus (based on KPIs)

Annual salary increment

Training and development opportunities to support your career growth