Senior Secondary Engineering Lead

Hitachi Energy Ltd.; Dublin; Hybrid; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Generous annual leave

Pension and comprehensive benefits

Medical insurance

Parental leave

Wellness programs

Employee Assistance Program

Structured training and development

Inclusive collaborative culture

Job summary

Hitachi Energy Ltd. in Europe (HBUEU) seeks a Senior Secondary Engineering Lead to drive all secondary engineering for high-voltage substations and EPC projects. You will lead protection, control, SCADA, and telecom systems, coordinate multi-disciplinary teams, and ensure successful tendering, commissioning, and handover.

The role requires deep IEC/EN/grid code knowledge, strong leadership, and a track record of FAT/SAT and customer acceptance. Location is hybrid with 3 days in the Dublin office.

Qualifications

• Strong experience in HV/MV substation secondary engineering and EPC project delivery.
• Expertise in protection and control systems, SCADA, RTU and telecom integration.
• Knowledge of substation automation, AIS/GIS, and auxiliary systems.
• Understanding IEC/EN grid code requirements.
• Proven leadership and stakeholder management on complex projects.
• Experience with FAT, SAT, commissioning and customer acceptance.

Responsibilities

• Act as technical lead for secondary engineering activities from concept to commissioning.
• Lead, supervise, and mentor engineering teams, partners, suppliers, and subcontractors.
• Provide technical guidance to engineers, technicians, and support staff.
• Manage engineering interfaces across primary, civil, telecoms, and project functions.
• Prepare and review SLDs, protection schemes, wiring diagrams, and BOMs.
• Develop protection philosophies, relay settings, and coordination studies.
• Review customer specs, grid standards, and tender docs.
• Prepare design specs, testing requirements, and operational docs.
• Produce primary and secondary drawings and bills of quantities.
• Support tendering, project execution, FAT/SAT, and commissioning.
• Ensure compliance with IEC/EN/grid standards and procedures.

Skills

HV/MV substation design

Protection and control systems

SCADA/RTU integration

Substation automation

Job description

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 acrosscurrent 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 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

We are a global leader in electrification, powering the electricity era to meet the energy demands of today, and the next 25 years. As the energy arm of Hitachi Group, over three billion people depend on our pioneering, mission-critical technologies to power their daily lives.

With over a century of innovation, we are addressing the most urgent energy challenge of our time: driving the evolution of the world’s energy system to ensure abundant, secure, affordable, and sustainable power for today’s generation and the next.

With an unparalleled installed base in over 140 countries, we are the grid ecosystem partner across the utility, industry, data center, and transportation sectors. Headquartered in Switzerland, we employ over 56,000 people in 60 countries and generate revenues of around $20 billion USD.