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At Grid & Power Quality Solutions and Service business at Hitachi Energy in Europe (HBUEU), Inclusion drives our culture of innovation and collaboration. Our leading technology and strong market position enable us to achieve growth targets in the energy transition across current and growing market segments such as hydrogen, data centers and e-mobility.

As the Senior Secondary Engineering Lead, you will deliver all secondary engineering activities associated with high-voltage substations, grid infrastructure, and EPC projects. Responsible for the technical leadership, design, review, coordination, and successful delivery of protection, control, SCADA, telecommunications, AC/DC auxiliary systems, and associated substation engineering solutions throughout tendering, execution, commissioning, and handover phases

Location, (Hybrid) with 3 days in Dublin Office

How you'll make an impact:

• Act as the technical lead for assigned projects and provide overall responsibility for secondary engineering activities from concept through commissioning.
• Lead, coordinate, supervise, and mentor engineering teams, external design partners, panel builders, suppliers, and subcontractors.
• Provide technical guidance to engineers, technicians, apprentices, and support personnel.
• Manage engineering interfaces across primary, civil, telecoms, commissioning, quality, planning, supply chain, and project management functions.
• Prepare, review, and approve protection and control deliverables including: Single Line Diagrams (SLDs), Protection and control schematics, Interlocking and logic diagrams, AC/DC schematics, Wiring and termination diagrams, I/O schedules, Cable schedules and block diagrams, Panel layouts and bills of materials
• Design and validate protection philosophies, relay settings, trip matrices, control logic, interlocking schemes, and protection coordination studies.
• Analyse customer specifications, grid standards, tender documents, and technical requirements.
• Develop technical specifications, functional design specifications, design intent documents, testing requirements, and operational documentation.
• Produce engineering calculations relating to protection systems, AC/DC auxiliary supplies, CTs, VTs, cable sizing, batteries, chargers, and associated systems.
• Develop circuit diagrams for greenfield and brownfield projects and update existing drawings for retrofit and expansion works.
• Provide technical support during tendering and project execution activities.
• Prepare primary and secondary engineering drawings and bills of quantities where required.
• Review supplier quotations, technical offers, and vendor documentation.
• Ensure supplier solutions are technically compliant, fit for purpose, and aligned with project requirements.
• Support design verification, pre-FAT, FAT, SAT, commissioning, energisation, and customer acceptance activities.
• Review and develop testing procedures, inspection plans, and commissioning documentation.
• Resolve technical issues arising during manufacture, installation, testing, and commissioning.
• Support site activities, customer queries, punch-list closure, as-built documentation, and project handover.
• Work closely with sales, tendering, project management, site installation, and commissioning teams throughout the project lifecycle
• Provide regular progress reporting and technical risk assessments.
• Ensure all deliverables comply with applicable IEC, EN, utility, grid code, customer, and company standards and procedures.

Your Background:

• Strong experience in HV/MV substation secondary engineering and EPC project delivery.
• Demonstrated expertise in: Protection and control systems, SCADA, RTU and telecommunications integration, Substation automation systems, AC/DC auxiliary systems, AIS and GIS substations, Primary and secondary equipment interfaces
• Strong understanding of IEC, EN, utility, and grid code requirements.
• Effective technical leadership and stakeholder management.
• Successful FAT, SAT, commissioning, and customer acceptance.
• Continuous improvement of engineering standards, processes, and project performance.

• Supported the professional development of engineers and technical teams.

What We Offer:

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.

• Generous bonus scheme rewarding performance
• Generous annual leave plus bank holidays
• Strong company pension and comprehensive benefits package
• Company-sponsored medical insurance plan
• Maternity, paternity, parental leave
• Fitness & health benefits (access to gyms, studios, on-demand exercise classes and library of wellness apps)
• Employee Assistance Program
• Commitment to health & safety, supported by structured training and ongoing development
• Inclusive and collaborative work environment where everyone feels valued and respected

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Background Screening and Security Checks

As 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.