HV Electrician
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Jun 8, 2026. Omexom Ireland scores B on the Alion truth index.
Job Title: Substation Electrician
About us
Omexom is a brand through which VINCI Energies undertakes its Transmission & Distribution activities. Omexom specialise in the design, supply, installation, maintenance and commissioning of electrical infrastructures for a varied range of electricity utility companies and renewable energy developers throughout the UK and Ireland.
Omexom UK and ROI is a community of incredible people, empowered to deliver the promises of the energy transition. Our vision to create a better future sits at the heart of everything we do. At Omexom, you are free to be who you are and what you want to be. You can be part of a community that fosters entrepreneurial spirit and supports you in your personal development.
We offer a flexible working environment with strong benefits such as 21 days holidays (plus public holidays), generous pension contributions, a company share scheme and healthcare cover. Our culture is reflected in our values which we embody by empowering and bringing together amazing people:
The role
Omexom Ireland require Substation Electricians to play a key part in our organisational success, ensuring commitments to our customers are delivered on time and to the highest standard.
The job holder will have a consistent track record of project delivery an will be required to work on Substation projects across Ireland, with voltages varying from 11kv / 110kv / 220kv. Projects will include both new builds and refurbishments and applicants must be highly flexible and able to travel and work away from home as required.
Reporting to the relevant Project Manager, the key duties of the role are outlined below
Key duties:
Install, maintain, and repair electrical equipment in substations (e.g., transformers, circuit breakers, switchgear).
Perform routine inspections and preventive maintenance to ensure equipment reliability.
Replace or upgrade outdated or faulty components.
Diagnose faults and troubleshoot issues in high-voltage systems.
Read and interpret electrical schematics, blueprints, and wiring diagrams.
Maintain accurate records of maintenance, inspections, and repairs.
Document test results and equipment performance.
Assist engineers and other technicians during substation upgrades or expansions.
Essential criteria:
Minimum 2 years experience as an Electrician.
Knowledge of protection and control systems and ability to work off schematic diagrams.
Experience of installation and termination of SWA (Single Wire Armoured) Multicore and Communications cables.
Installation of Substation plant & equipment:
Transformer assembly
Support structures and associated equipment (CTs; VTs; Busbars; Circuit Breakers; Disconnects, etc)
Ability to read and interpret electrical schematics and technical drawings. High level manual dexterity and technical ability with previous experience in panel wiring.
Strong understanding of electrical safety protocols, especially in high-voltage environments.
Awareness of risk assessments, lock-out/tag-out procedures, and emergency response.
Desirable criteria:
HV Substation experience.
Knowledge of ESB Networks safety standards
Proven experience in electrical installation, maintenance, and fault-finding -especially in Medium Voltage (MV) and High Voltage (HV) environments.
Familiarity with substation equipment: transformers, switchgear, protection relays, earthing systems.
Completed ESB station inductions
Qualifications & Certifications
Electrical trade qualification (e.g. QQI Level 6 Advanced Certificate - Craft in Electrical).
Valid Manual Handling and Safe Pass certification.
Full clean driving licence
Proof of eligibility to work in Ireland.