Location:Madrid, SpainJob ID: R0136717Date Posted:2026-09-18Company Name:HITACHI ENERGY SPAIN, S.A.U.Profession (Job Category):Engineering &amp; ScienceJob Schedule: Full timeRemote:NoJob Description:<h2>The Opportunity</h2>We are extending our Grid Solution team for the next generation of AI data centres, and we are looking for an exceptional engineer to lead it. As principal power systems architect, you will own the end-to-end electrical system design of hyperscale facilities — from the high-voltage grid connection point down through the distribution network to the rack — and you will be the technical authority that holds it all together.This is not a coordination role. You will be expected to understand the work deeply enough to challenge status quo in data center electrification architecture and take them to the next levels, make defensible design decisions under uncertainty, and earn the trust of both your expert team and the external stakeholders you interface with: utilities, interconnection authorities, EPCs, and equipment vendors.How you will make an impact <ul><li>Own the overall electrical architecture of large-scale AI data centre campuses and ensure design coherence across all disciplines, from HV grid connection through MV distribution to AC and DC rack power.</li></ul><ul><li>Define study scope and direct work across a structured team of specialist engineers covering five domains: steady-state network planning and power quality; dynamic studies, stability and grid code compliance; electromagnetic transient and insulation coordination; protection, RAMS and asset reliability; and MV/LV system design and P&amp;C. Ensure scoping and output across these groups are mutually consistent and sequenced correctly.</li></ul><ul><li>Lead grid connection strategy — TSO engagement, connection application technical content, grid code compliance positioning under the applicable national grid code and EU network codes, and ancillary service obligations — with particular focus on dominant-load HV connections at 100 MW and above.</li><li>Provide technical sign-off across all major study deliverables and design work.</li><li>Drive system-level equipment specification: HV/MV transformers, reactive compensation, BESS integration, power electronics topology, and UPS architecture — in accordance with the relevant IEC standards.</li><li>Act as the primary technical interface with external parties — TSOs, / DSOs, grid code authorities, EPCs, independent engineers, and supplying OEMs.</li><li>Identify and manage technical risk across the full project lifecycle, including interface risks between electrical, civil, cooling, and IT infrastructure.</li><li>Mentor and develop the specialist engineering team, building capability across all five study domains over time.</li></ul>Your background<ul><li>M.Sc. or Ph.D. in electrical engineering with a focus on power systems; a thesis in grid dynamics, power electronics, or HV system design is a strong differentiator.</li><li>Minimum 15 years of relevant industrial experience spanning at least three of the five specialist domains, with genuine familiarity across all five.</li><li>Proven experience with HV grid connections in an IEC regulatory context, including direct TSO engagement on connection studies, grid code compliance at transmission level, and familiarity with EU network codes (RfG, DCC, HVDC) where applicable.</li><li>Familiarity with the IEC standards landscape relevant to large power systems: IEC 60909 (short circuit), IEC 60071 (insulation coordination), IEC 61936 (HV installations), IEC 61850 (substation communication), and IEC 62271 (switchgear).</li><li>Hands-on experience with at least two major simulation platforms across the RMS and EMT domains (e.g. PowerFactory, PSS/E, PS-CAD,), and the ability to critically review outputs from tools you do not operate yourself.</li><li>Experience with power generation systems and distributed control architectures — including DCS/SCADA integration, governor and excitation control, and plant-level energy management in accordance with IEC 61850 and IEC 61968/61970 — is a significant advantage.</li><li>Comfortable working at the boundary between power systems engineering and adjacent disciplines: power electronics, data centre infrastructure, civil interfaces, and commercial constraints.</li><li>Fluent in English; proficiency in a second language relevant to the operating region is an advantage.</li></ul><h2>More about us</h2>We believe great work thrives in an environment where people feel genuinely supported and fairly rewarded. Our benefits are designed to create real value for every individual-fueling engagement, performance, and growth. By prioritizing well‑being, we build a workplace where personal and organizational success grow together. The minimum salary for this position in the location (Italy) specified:<ul><li>Starting from: 57,300 € gross annual salary </li><li>Applicable CBA: Metalmeccanico</li></ul>The final offer will be based on candidate location, skills and qualifications, experience, and aligned with internal pay structures.This role may be open in multiple locations. If the salary information listed is not applicable for your current home location, salary details relevant to your location will be discussed with you at a later stage.Our benefit offering is tailored based on your country of employment and generally includes:<ul><li>Competitive salary and incentives</li><li>Well-being and care </li><li>Paid and unpaid leave</li><li>Flexible work options </li><li>Benefits that support your financial security</li></ul>You will receive more specific information during the recruitment process.Accessibility and reasonable accommodationQualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a <a href="https://www.hitachienergy.com/contact-us/general-inquiry?type=I+have+a+General+question">general inquiry form</a> on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process. This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response. Use of Al and automated tools in recruitmentAs part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as <a href="https://www.hitachi.com/en-us/gdpr">Hitachi's Global Data Privacy Notice.</a> Background Screening and Security ChecksAs part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.

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.

Principal power systems architect

Location:Madrid, SpainJob ID: R0136717Date Posted:2026-09-18Company Name:HITACHI ENERGY SPAIN, S.A.U.Profession (Job Category):Engineering &amp; ScienceJob Schedule: Full timeRemote:NoJob Description:<h2>The Opportunity</h2>We are extending our Grid Solution team for the next generation of AI data centres, and we are looking for an exceptional engineer to lead it. As principal power systems architect, you will own the end-to-end electrical system design of hyperscale facilities — from the high-voltage grid connection point down through the distribution network to the rack — and you will be the technical authority that holds it all together.This is not a coordination role. You will be expected to understand the work deeply enough to challenge status quo in data center electrification architecture and take them to the next levels, make defensible design decisions under uncertainty, and earn the trust of both your expert team and the external stakeholders you interface with: utilities, interconnection authorities, EPCs, and equipment vendors.How you will make an impact <ul><li>Own the overall electrical architecture of large-scale AI data centre campuses and ensure design coherence across all disciplines, from HV grid connection through MV distribution to AC and DC rack power.</li></ul><ul><li>Define study scope and direct work across a structured team of specialist engineers covering five domains: steady-state network planning and power quality; dynamic studies, stability and grid code compliance; electromagnetic transient and insulation coordination; protection, RAMS and asset reliability; and MV/LV system design and P&amp;C. Ensure scoping and output across these groups are mutually consistent and sequenced correctly.</li></ul><ul><li>Lead grid connection strategy — TSO engagement, connection application technical content, grid code compliance positioning under the applicable national grid code and EU network codes, and ancillary service obligations — with particular focus on dominant-load HV connections at 100 MW and above.</li><li>Provide technical sign-off across all major study deliverables and design work.</li><li>Drive system-level equipment specification: HV/MV transformers, reactive compensation, BESS integration, power electronics topology, and UPS architecture — in accordance with the relevant IEC standards.</li><li>Act as the primary technical interface with external parties — TSOs, / DSOs, grid code authorities, EPCs, independent engineers, and supplying OEMs.</li><li>Identify and manage technical risk across the full project lifecycle, including interface risks between electrical, civil, cooling, and IT infrastructure.</li><li>Mentor and develop the specialist engineering team, building capability across all five study domains over time.</li></ul>Your background<ul><li>M.Sc. or Ph.D. in electrical engineering with a focus on power systems; a thesis in grid dynamics, power electronics, or HV system design is a strong differentiator.</li><li>Minimum 15 years of relevant industrial experience spanning at least three of the five specialist domains, with genuine familiarity across all five.</li><li>Proven experience with HV grid connections in an IEC regulatory context, including direct TSO engagement on connection studies, grid code compliance at transmission level, and familiarity with EU network codes (RfG, DCC, HVDC) where applicable.</li><li>Familiarity with the IEC standards landscape relevant to large power systems: IEC 60909 (short circuit), IEC 60071 (insulation coordination), IEC 61936 (HV installations), IEC 61850 (substation communication), and IEC 62271 (switchgear).</li><li>Hands-on experience with at least two major simulation platforms across the RMS and EMT domains (e.g. PowerFactory, PSS/E, PS-CAD,), and the ability to critically review outputs from tools you do not operate yourself.</li><li>Experience with power generation systems and distributed control architectures — including DCS/SCADA integration, governor and excitation control, and plant-level energy management in accordance with IEC 61850 and IEC 61968/61970 — is a significant advantage.</li><li>Comfortable working at the boundary between power systems engineering and adjacent disciplines: power electronics, data centre infrastructure, civil interfaces, and commercial constraints.</li><li>Fluent in English; proficiency in a second language relevant to the operating region is an advantage.</li></ul><h2>More about us</h2>We believe great work thrives in an environment where people feel genuinely supported and fairly rewarded. Our benefits are designed to create real value for every individual-fueling engagement, performance, and growth. By prioritizing well‑being, we build a workplace where personal and organizational success grow together. The minimum salary for this position in the location (Italy) specified:<ul><li>Starting from: 57,300 € gross annual salary </li><li>Applicable CBA: Metalmeccanico</li></ul>The final offer will be based on candidate location, skills and qualifications, experience, and aligned with internal pay structures.This role may be open in multiple locations. If the salary information listed is not applicable for your current home location, salary details relevant to your location will be discussed with you at a later stage.Our benefit offering is tailored based on your country of employment and generally includes:<ul><li>Competitive salary and incentives</li><li>Well-being and care </li><li>Paid and unpaid leave</li><li>Flexible work options </li><li>Benefits that support your financial security</li></ul>You will receive more specific information during the recruitment process.Accessibility and reasonable accommodationQualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a <a href="https://www.hitachienergy.com/contact-us/general-inquiry?type=I+have+a+General+question">general inquiry form</a> on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process. This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response. Use of Al and automated tools in recruitmentAs part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as <a href="https://www.hitachi.com/en-us/gdpr">Hitachi's Global Data Privacy Notice.</a> Background Screening and Security ChecksAs part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.

Principal power systems architect

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