Senior High Voltage Electrical Design Engineer, Dublin Pike

Senior HV Electrical Design Engineer– Grid Connections

Location:

Dublin / Hybrid

Contract:

Permanent

Overview We are seeking a

Senior HV Electrical Engineer

to join our Dublin‑based Power team, working specifically on

electricity grid connection projects across Ireland . This role plays a critical part in connecting large demand customers and generation assets to the Irish transmission and distribution networks, supporting Ireland’s energy transition and infrastructure growth.

You will work closely with

EirGrid, ESB Networks , developers, and major clients on complex HV grid connection schemes, from early feasibility through to energisation.

The Role Reporting to the

Principal Engineer– Power , you will act as a technical lead on Irish grid connection projects across the full lifecycle.

Key responsibilities include:

Leading and delivering

HV grid connection designs

for transmission and distribution networks in Ireland

Acting as

Owner’s Engineer

for contestable works packages relating to grid connections

Technical review of HV plant and substation elements, including:

Substation layout and access

Earthing systems and earthing risk assessments

Interlocking philosophies

Busbar sizing and calculations

Primary plant specifications

Reviewing contractor detailed designs for compliance with:

EirGrid Functional Specifications

Outline design and connection offers

Producing and reviewing

contestable works documentation , including:

Single Line Diagrams (SLDs)

Schematics and interlocking diagrams

Substation layout drawings

Providing technical expertise on:

HV substations (AIS / GIS)

HV cable systems (110kV and above)

Interface points between customer installations and the grid

Supporting

grid application processes , technical queries, and engagement with EirGrid and ESB Networks

Input into feasibility studies, connection strategy, and optioneering

Supporting site activities including construction monitoring, testing, and commissioning

Contributing to tendering and technical bid submissions for grid connection projects

About You

Degree‑qualified in Electrical Engineering (or equivalent)

Chartered Engineer or actively pursuing chartership

Strong experience delivering

HV grid connection projects in Ireland

Proven knowledge of

EirGrid and ESB Networks standards, specifications, and approval processes

Experience with HV substation design in the

110kV–400kV range

Ability to lead technical workstreams and interface with multiple stakeholders

Strong written and verbal communication skills

Desirable (but not essential)

AIS and GIS substation specification and design

Overhead line (OHL) exposure for grid connections

Site‑based construction or commissioning experience

Experience with:

CDEGS

(earthing studies)

ETAP

or similar for system studies / protection coordination

Control and protection systems design

Master’s degree in Electrical Engineering

Why This Role?

Work at the centre of

Ireland’s power grid expansion and decarbonisation

Direct involvement with

EirGrid and ESB Networks

projects

Long‑term, technically challenging grid connection work

Clear progression toward Principal Engineer level

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