Project Engineer - Substation Design

About the role

HITACHI ENERGY JAPAN, LTD., within its Grid Integration business unit, is looking for a Project Engineer in Tokyo. The business covers transmission and substation applications, including HVDC, substations, FACTS, grid and power quality solutions such as offshore wind connections, and semiconductors. The engineer works on basic and detailed design of substations and provides technical support to customers, factories and third parties.

Key responsibilities

• Basic design of substations: single line diagrams, equipment specifications, ratings, capacities, environmental conditions, protection systems (IED), SCADA and IEC 61850 monitoring and control, DC and auxiliary power supplies, and power quality products such as STATCOMs.
• Detailed design: check equipment drawings, verify cable connections from schematic and logic drawings, and check inputs/outputs and external communications.
• Technical support: presentations during pre-sales, internal and external technical reports, communication with factories and sub-suppliers, quality clarifications and witness testing at factory and customer sites.
• Introduce new technologies and products to the Japanese market, comparing IEC and Japanese standards and communicating with customers.
• Ensure compliance with applicable external and internal regulations, procedures and guidelines.

Required profile

• Bachelor's degree with relevant experience; power electronics experience preferred.
• Knowledge of power grid industry, equipment and configuration, protection relays, and substation monitoring and control systems.
• Experience in electrical fault calculations, protection coordination, and basic and detailed engineering of substations.
• Experience submitting documentation to METI and/or power utilities, and communicating with Japanese industrial customers and domestic and overseas suppliers.
• Fluent Japanese and business-level English.
• Certificates and licenses related to electrical systems or engineering are an advantage.

Required skills

• Understanding of JEC, JEM, JIS and IEC standards, the Electrical Business Act and related regulations.
• Ability to read mechanical drawings and electrical schematics.
• Advantage: fault calculation software such as ETAP.

What we offer

• Working hours 9:00-17:30 (1-hour break), flex time and hybrid working.
• Insurance coverage (employment, industrial injury, health, pension), paid leave, bereavement, wedding, maternity, spousal maternity and parental leave, and nursing care leave.