Location:Copenhagen, DenmarkJob ID: R0138868Date Posted:2026-07-20Company Name:Hitachi Rail Denmark A/SProfession (Job Category):Engineering &amp; ScienceJob Schedule: Full timeRemote:NoAbout UsA 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 EngineerAbout the RolePower 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<ul><li>Develop/review load lists, power requirements, single-line diagrams, UPS/backup arrangements, protection philosophy and earthing/bonding interfaces.</li><li>Coordinate power availability for equipment.</li><li>Review supplier/subcontract electrical designs, calculations, certificates, installation records and energisation readiness evidence.</li><li>Support site surveys, inspections, commissioning, fault investigations and as-built documentation.</li><li>Identify power-related risks including capacity, selectivity, resilience, electrical safety, maintainability and access constraints.</li><li>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.</li><li>Provide power design inputs, calculations, protection/earthing support, installation support and commissioning evidence.</li><li>Discipline authority for power calculations and detailed technical decisions in delegated scope.</li><li>Escalates deviations affecting safety, EMC, capacity or constructability.</li></ul>Key Interfaces<ul><li>Engineering Manager, Solution Engineering Manager, Installation Design Manager, EMC/EMI Engineer and Work Package Leaders.</li><li>Implementation, Construction, Site, T&amp;C, Safety, RAM and Quality teams.</li><li>Electrical suppliers/subcontractors and customer/infrastructure owner power-interface stakeholders.</li><li>Test readiness.</li></ul>Authority &amp; Accountability<ul><li>Accountable for technical correctness of assigned power-supply engineering outputs.</li><li>Authorised to challenge unsafe or undersized power arrangements and recommend design/installation corrections.</li><li>Escalates power availability or compliance risks to Engineering Manager.</li></ul>MandateEnsure Project systems receive safe, compliant and resilient power suitable for railway operation, testing and maintenance.Skills &amp; Experience<ul><li>Electrical engineering experience in rail, infrastructure, industrial, telecoms or mission-critical power systems.</li><li>Knowledge of LV distribution, UPS, protection coordination, earthing/bonding, electrical safety and commissioning evidence.</li><li>Ability to coordinate power dependencies across many systems.</li><li>Resilience and resistance to stress during energisation readiness, site faults and commissioning pressure.</li><li>Practical electrical safety mindset and documentation rigour.</li><li>More than 5 years in electrical/power systems engineering on infrastructure or industrial Projects.</li></ul>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. 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.#LI-HG1Thank you for your interest in Hitachi Rail. If your application is of interest, we will be in contact. Please do not hesitate to discover more about us and our latest jobs at  <a href="https://www.hitachirail.com/careers">https://www.hitachirail.com/careers</a>.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.We would be delighted if you would be one of our followers at <a href="https://www.linkedin.com/company/hitachirail">https://www.linkedin.com/company/hitachirail</a>

Hitachi Energy is a global technology leader that is advancing a sustainable energy future for all. We serve customers in the utility, industry and infrastructure sectors with innovative solutions and services across the value chain. Together with customers and partners, we pioneer technologies and enable the digital transformation required to accelerate the energy transition towards a carbon-neutral future. We are advancing the world&rsquo;s energy system to become more sustainable, flexible and secure whilst balancing social, environmental and economic value. Hitachi Energy has a proven track record and unparalleled installed base in more than 140 countries.

Power Supply Engineer

Location:Copenhagen, DenmarkJob ID: R0138868Date Posted:2026-07-20Company Name:Hitachi Rail Denmark A/SProfession (Job Category):Engineering &amp; ScienceJob Schedule: Full timeRemote:NoAbout UsA 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 EngineerAbout the RolePower 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<ul><li>Develop/review load lists, power requirements, single-line diagrams, UPS/backup arrangements, protection philosophy and earthing/bonding interfaces.</li><li>Coordinate power availability for equipment.</li><li>Review supplier/subcontract electrical designs, calculations, certificates, installation records and energisation readiness evidence.</li><li>Support site surveys, inspections, commissioning, fault investigations and as-built documentation.</li><li>Identify power-related risks including capacity, selectivity, resilience, electrical safety, maintainability and access constraints.</li><li>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.</li><li>Provide power design inputs, calculations, protection/earthing support, installation support and commissioning evidence.</li><li>Discipline authority for power calculations and detailed technical decisions in delegated scope.</li><li>Escalates deviations affecting safety, EMC, capacity or constructability.</li></ul>Key Interfaces<ul><li>Engineering Manager, Solution Engineering Manager, Installation Design Manager, EMC/EMI Engineer and Work Package Leaders.</li><li>Implementation, Construction, Site, T&amp;C, Safety, RAM and Quality teams.</li><li>Electrical suppliers/subcontractors and customer/infrastructure owner power-interface stakeholders.</li><li>Test readiness.</li></ul>Authority &amp; Accountability<ul><li>Accountable for technical correctness of assigned power-supply engineering outputs.</li><li>Authorised to challenge unsafe or undersized power arrangements and recommend design/installation corrections.</li><li>Escalates power availability or compliance risks to Engineering Manager.</li></ul>MandateEnsure Project systems receive safe, compliant and resilient power suitable for railway operation, testing and maintenance.Skills &amp; Experience<ul><li>Electrical engineering experience in rail, infrastructure, industrial, telecoms or mission-critical power systems.</li><li>Knowledge of LV distribution, UPS, protection coordination, earthing/bonding, electrical safety and commissioning evidence.</li><li>Ability to coordinate power dependencies across many systems.</li><li>Resilience and resistance to stress during energisation readiness, site faults and commissioning pressure.</li><li>Practical electrical safety mindset and documentation rigour.</li><li>More than 5 years in electrical/power systems engineering on infrastructure or industrial Projects.</li></ul>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. 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.#LI-HG1Thank you for your interest in Hitachi Rail. If your application is of interest, we will be in contact. Please do not hesitate to discover more about us and our latest jobs at  <a href="https://www.hitachirail.com/careers">https://www.hitachirail.com/careers</a>.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.We would be delighted if you would be one of our followers at <a href="https://www.linkedin.com/company/hitachirail">https://www.linkedin.com/company/hitachirail</a>

Power Supply Engineer

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HITACHI ENERGY

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