About The Role
Ethos Engineering is expanding its Energy Infrastructure capability and is seeking a Senior Project Engineer specialising in HV Electrical Engineering to support the development and delivery of HV and MV infrastructure projects across Ireland, the UK and Europe.
The role will focus on the design and delivery of energy centres, substations, landing stations, interconnectors and associated energy infrastructure projects, while supporting the growth of an in‑house HV engineering team within Ethos.
This is a senior technical role requiring a strong background in HV substation design, client and utility interface management, and multidisciplinary project delivery. The successful candidate will work closely with internal teams, external consultants, utilities, OEMs and clients to deliver high‑quality HV infrastructure solutions.
The role combines:
Technical leadership
Project delivery
Client engagement
Team development
Coordination of internal and subcontracted design resources
This position is primarily office‑based with regular client meetings, workshops and site visits across Ireland, the UK and Europe.
Key Responsibilities
Lead the delivery of HV and MV infrastructure projects, including:
AIS and GIS substations
Grid connection infrastructure
Landing stations and interconnectors
HV auxiliary systems and associated infrastructure
Develop and review:
Single line diagrams (SLDs)
Substation layouts
Protection and control philosophies
HV cable systems
Earthing and lightning protection systems
Secondary systems and auxiliary power systems
Coordinate and manage multidisciplinary design teams, including:
Internal engineering resources
External consultants and specialist subcontractors
OEMs and utility stakeholders
Interface directly with:
Clients
TSOs / DSOs / utilities
Contractors
Regulatory and approval bodies
Support the development of Ethos’ HV engineering capability, including:
Technical standards and procedures
Recruitment and mentoring
Development of internal delivery capability
Review technical studies and support design decision‑making, including:
Load flow studies
Short circuit studies
Protection coordination
Harmonics and power quality studies
Earthing studies
Support tendering, technical bid reviews and project planning activities.
Attend site visits, inspections and commissioning activities as required.
Experience & Qualifications
Degree in Electrical Engineering or equivalent.
Typically 8–15+ years’ experience in HV/MV electrical engineering.
Demonstrable experience delivering:
HV substation projects up to 400kV
AIS and GIS substations
Grid connection infrastructure
HV cable and auxiliary systems
Strong understanding of:
Primary and secondary substation systems
Grid forming and Grid Following interfacing
Protection and control systems
Earthing and lightning protection
Utility and TSO/DSO interface requirements
Experience working within:
Consultancy environments
Utility / TSO projects
Energy infrastructure or industrial power sectors
Experience managing or coordinating engineering teams and external consultants is highly desirable.
Chartered Engineer status (or working towards) is desirable but not essential.
Technical Skills & Knowledge
Strong knowledge of:
IEC, BS, EN and IS standards
Utility and grid connection requirements
HV design principles and substation engineering practices
Familiarity with tools such as:
AutoCAD
ETAP
PowerFactory
PSCAD (desirable)
Strong technical reporting, specification writing and client communication skills.
Candidate Profile
The ideal candidate will be:
Technically strong in HV infrastructure design
Comfortable engaging directly with utilities and clients
Capable of coordinating multidisciplinary teams
Interested in helping establish and grow an in‑house HV capability within Ethos
This role will suit an engineer looking to play a key role in the growth of a developing HV infrastructure team within a multidisciplinary consultancy environment.
Why Join us?
At Ethos, we’re dedicated to fostering an environment that encourages both technical excellence and personal wellbeing.
Benefits
Flexible working times
20 Days holidays up to 25 days
Pension Scheme
Working travel out‑of‑pocket expenses
Travel tax scheme or bike‑to‑work scheme
Regular training/mentoring / further college support
Support for Chartership
Subsidised Health Insurance Allowance
A Professional Subscription Fee paid by the company
Paid Statutory Leaves
Healthcare check‑ups and flu vaccinations
Gym / Fitness membership
Heavily subsidised social committee (5 a side, golf society, climbing club and regular social events)
At Ethos, we offer free Fridays every second Friday as a perk! Apply today and take the first step towards a healthier work‑life balance!
Here at Ethos we believe in equal opportunities and that each individual can bring something ‘WoW’ to our organisation. So if you don't necessarily meet every single point on the job description, but think you have what it takes, please still get in touch. We'd love to have a chat and see if you could be a great fit.
At Ethos, our vision is to: "Be the company people want to work for, and with
Our values differentiate and focus us every day to be EPIC – for our people and our customers.
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