Job Description
High Voltage Electrician
Location: Nationwide (Our office is based in Ystalyfera, Swansea, South Wales)
Competitive Salary (Based on Experience)
We’re a fast-growing, hands-on company delivering high voltage infrastructure projects across the UK, and we’re looking for an experienced HV Electrician to join our close-knit and supportive team.
If you’re a qualified electrician with strong HV experience who takes pride in working safely, efficiently, and to a high standard — this could be the perfect opportunity for you.
About the Role:
As a High Voltage Electrician, you’ll be responsible for the installation, testing, maintenance, and fault finding of HV and LV electrical systems on substations and grid-connected sites, typically operating at voltages from LV up to 400kV.
You’ll work across a variety of projects, including:
- Grid Connections
- Battery Energy Storage Schemes (BESS)
- Solar Farm Developments
- Private Industrial HV Networks
Duties will include:
- Installation, termination, and testing of LV cables
- Wiring, glanding, and containment installation
- Installation of switchgear, transformers, protection panels, and Substation Ancillary Equipment
- Fault finding and diagnostic testing on HV/LV systems
- Supporting commissioning activities alongside SAPs and Commissioning Engineers
- Reading and interpreting electrical drawings, schematics, and wiring diagrams
- Carrying out earthing and bonding works
- Ensuring all work is carried out in line with current regulations and strict safety procedures
Essential Qualifications & Certifications:
- NVQ Level 3 (or equivalent) in Electrical Installation / Engineering
- 18th Edition Wiring Regulations (BS7671)
- ECS/CSCS/CCNSG/EUSR Card
- Full UK Driving Licence
- Manual Handling, First Aid, Asbestos Awareness, and Working at Height (current or willing to obtain)
Desirable:
- MEWP/IPAF or PASMA Certification
- Confined Spaces Training
- HV Authorisation (if applicable)
Required Experience & Expertise:
- 3+ years’ experience working in HV environments
- Experience working on substations or grid-connected sites
- Strong understanding of safe isolation and HV safety procedures
- Ability to work independently and as part of a team
- Experience working with DNO/IDNO/ICP and/or private HV networks (advantageous)
- Strong work ethic, reliability, and attention to detail
What We Offer:
- Competitive salary based on experience
- Company vehicle
- Private healthcare insurance
- Opportunities to progress into authorised roles or supervisory positions
- A supportive working environment where your contribution is valued and wellbeing matters
Job Type: Full-time
Benefits:
- Company van
- Private medical insurance
Schedule:
- Monday to Friday
Work Location: Nationwide