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.

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)

• Installation, termination, and testing of LV cables
• Wiring, glanding, and containment installation
• Installation of switch gear, 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

• 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)
• MEWP/IPAF or PASMA Certification
• Confined Spaces Training
• HV Authorisation (if applicable)

• 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

• Competitive salary based on experience
• Company vehicle
• Opportunities to progress into authorised roles or supervisory positions
• A supportive working environment where your contribution is valued and wellbeing matters