Power Supply Engineer

Hitachi Automotive Systems Americas, Inc.; København; Hybrid; DKK 700,000 - 1,200,000; Full time

Benefits offered by this job

Pension

6 weeks holidays

Canteen

Flexible hybrid work environment

Job summary

Hitachi Rail Denmark A/S seeks a Power Supply Engineer to design and verify railway power systems. You will provide power design inputs, calculations, protection/earthing support, and installation guidance to support safe commissioning and in-service operation.

Responsibilities include developing load lists, ensuring power availability, reviewing supplier designs, and coordinating across interfaces to maintain safety, reliability and EMC compliance on infrastructure projects.

Qualifications

• Electrical engineering experience in rail, infrastructure, industrial, telecoms or mission-critical power systems.
• Knowledge of LV distribution, UPS, protection coordination, earthing/bonding, electrical safety and commissioning evidence.
• Ability to coordinate power dependencies across many systems.
• Resilience under energisation readiness and commissioning pressure.
• Practical electrical safety mindset and rigorous documentation.
• More than 5 years in electrical/power systems engineering on infrastructure or industrial Projects.

Responsibilities

• Develop/review load lists, power requirements, single-line diagrams, UPS/backup arrangements and earthing interfaces.
• Coordinate power availability for equipment and energisation readiness.
• Review supplier/subcontract electrical designs, calculations and certificates.
• Support site surveys, inspections, commissioning and fault investigations.
• Identify power-related risks including capacity, resilience and safety.
• Escalate deviations affecting safety, EMC, capacity or constructability.

Skills

Electrical power systems

Protection coordination

Earthing & bonding

Power calculations

Electrical safety

Infrastructure experience

Job description

Location

Location: Copenhagen, Denmark

Job ID: R0138868

Date Posted: 2026-07-20

Company: Hitachi Rail Denmark A/S

Profession (Job Category): Engineering & Science

Job Schedule: Full time

Remote: No

About Us

A career at Hitachi Rail will help create a legacy. With operations in every corner of the world, our work goes to the cutting-edge of digital transformation and technology. From the multi-cultural strength of our global organisation to the sustainable and innovative ways we work to bring people together, there’s something for everyone to get stuck into. And that’s where you come in.

Job Description

Power Supply Engineer

About the Role

Power Supply Engineer contributes to Hitachi’s responsibility to design, manage interfaces, and prepare the documentation needed for installation, test and placing in service approvals. Its specific contribution is to provide power design inputs, calculations, protection/earthing support, installation support and commissioning evidence.

Key Responsibilities

• Develop/review load lists, power requirements, single-line diagrams, UPS/backup arrangements, protection philosophy and earthing/bonding interfaces.
• Coordinate power availability for equipment.
• Review supplier/subcontract electrical designs, calculations, certificates, installation records and energisation readiness evidence.
• Support site surveys, inspections, commissioning, fault investigations and as-built documentation.
• Identify power-related risks including capacity, selectivity, resilience, electrical safety, maintainability and access constraints.
• Apply the Hitachi Code of Conduct in role-specific decisions, including ethical escalation, anti-bribery discipline, confidentiality, data protection, fair supplier/customer conduct and transparent records.
• Provide power design inputs, calculations, protection/earthing support, installation support and commissioning evidence.
• Discipline authority for power calculations and detailed technical decisions in delegated scope.
• Escalates deviations affecting safety, EMC, capacity or constructability.

Key Interfaces

• Engineering Manager
• Solution Engineering Manager
• Installation Design Manager
• EMC/EMI Engineer
• Work Package Leaders
• Implementation
• Construction
• Site
• T&C
• Safety
• RAM
• Quality teams
• Electrical suppliers/subcontractors
• Customer/infrastructure owner power-interface stakeholders
• Test readiness

Authority & Accountability

Accountable for technical correctness of assigned power-supply engineering outputs. Authorised to challenge unsafe or undersized power arrangements and recommend design/installation corrections. Escalates power availability or compliance risks to Engineering Manager.

Mandate

Ensure Project systems receive safe, compliant and resilient power suitable for railway operation, testing and maintenance.

Skills & Experience

• Electrical engineering experience in rail, infrastructure, industrial, telecoms or mission-critical power systems.
• Knowledge of LV distribution, UPS, protection coordination, earthing/bonding, electrical safety and commissioning evidence.
• Ability to coordinate power dependencies across many systems.
• Resilience and resistance to stress during energisation readiness, site faults and commissioning pressure.
• Practical electrical safety mindset and documentation rigour.
• More than 5 years in electrical/power systems engineering on infrastructure or industrial Projects.

Working in Hitachi

Our employees are our most important asset and we provide an environment that encourages a healthy work/life balance and we offer a flexible hybrid work environment based on Working from home and office presence (40/60). Your manager will interact with you on a regular basis, ensuring you a career path that suits your needs and ambitions.

Benefits

• Beside the traditional benefits like pension, 6 weeks of holidays, canteen etc., we also are proud of offering some good and very professional skilled colleagues.
• Flexible hybrid work environment based on Working from home and office presence (40/60).

Equal Opportunity

At Hitachi Rail, there is a place for everyone. We welcome and value differences in background, age, gender, sexuality, family status, disability, race, nationality, ethnicity, religion, and world view. It is our commitment to create an inclusive environment - we are proud to be an equal opportunity employer.

Company Vision

Hitachi brings together the world’s greatest minds to help breathe life into new possibilities – and drive innovation for a better future. That’s why we look for individuals who share our pioneering spirit, have imaginative ideas and are fearless when it comes to tackling the world’s biggest challenges. Our people love technology – and they love making a difference. They have a passion for finding new solutions and working with brilliant colleagues. Every day they dedicate themselves to a huge range of exciting projects, contributing to the Hitachi vision around the globe. From engineering new sustainability solutions that conserve water and energy to creating the infrastructure for the smart cities of tomorrow, there’s no challenge too great for our pioneers. And there’s no shortage of opportunities for you to make a difference. Come and experience the dynamic, collaborative and creative environments where your ideas are welcome and new discoveries are waiting. To help you grow to your full potential, we strive to support our employees in their career aspirations and promote the freedom to explore new horizons.

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