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Permanent

High Voltage Electrician

Sphere Solutions
Swansea
money-bag £20 - £23/hour + Van/Fuel+OT rates+accom
Posted: 16 June 2026 (Yesterday)
Closing date: 15 July 2026
Ref: 225251812

High Voltage Electrician

Location: Nationwide
Salary: Competitive + Company Vehicle + Benefits
Job Type: Full-Time

We are currently recruiting for an experienced High Voltage Electrician to join a growing organisation delivering critical power and energy infrastructure projects throughout the UK.

This is an excellent opportunity for a skilled electrician with experience in HV environments to work on a diverse portfolio of projects including grid connections, battery energy storage systems (BESS), renewable energy developments, substations, and industrial power networks.

The successful candidate will join a highly skilled team responsible for delivering electrical installation, maintenance, testing, and fault-finding activities across a range of high-profile infrastructure projects.

The Role

As a High Voltage Electrician, you will be involved in the installation, testing, maintenance, and fault diagnosis of electrical systems operating across LV and HV networks.

Projects will include: Grid Connection Projects, Battery Energy Storage Systems (BESS), Solar Farm Developments, Industrial and Private HV Networks & Substation Construction and Upgrades

Key responsibilities include:

  • Installation, termination, and testing of LV power and control cables

  • Glanding, wiring, containment installation, and panel wiring activities

  • Installation of transformers, switchgear, protection panels, and substation ancillary equipment

  • Fault finding and diagnostic testing across electrical systems

  • Carrying out earthing and bonding installations

  • Reading and interpreting electrical drawings, schematics, and wiring diagrams

  • Ensuring all work is completed safely and in accordance with current regulations, site procedures, and industry best practice

  • Maintaining high standards of workmanship, quality, and safety on site

About You

The ideal candidate will have a strong electrical installation background combined with experience working within high-voltage environments.

Essential Qualifications

  • NVQ Level 3 (or equivalent) in Electrical Installation or Electrical Engineering

  • 18th Edition Wiring Regulations (BS7671)

  • ECS, CSCS, CCNSG, or EUSR Card

  • Full UK Driving Licence

Desirable Qualifications

  • IPAF / MEWP and/or PASMA Certification

  • Confined Spaces Training

  • Existing HV Authorisation

Experience Required

  • Minimum 3 years'' experience working within HV environments

  • Previous experience working on substations, grid connections, or utility infrastructure projects

  • Strong understanding of safe isolation procedures and electrical safety requirements

  • Experience working with DNO, IDNO, ICP, or private network operators would be advantageous

  • Ability to work independently and as part of a wider project team

  • Strong attention to detail and commitment to delivering work to a high standard

  • Reliable, proactive, and safety-focused approach to work

What''s on Offer

  • Competitive salary package based on experience

  • Company vehicle

  • Private healthcare

  • Ongoing training and professional development

  • Opportunities to progress into HV Authorised Person, Senior Authorised Person, supervisory, or specialist technical roles

  • Exposure to a wide variety of major infrastructure, renewable energy, and power projects

  • Supportive working environment with genuine opportunities for long-term career development

If you''re an experienced High Voltage Electrician looking to join a business where your skills are valued and your career can progress, we''d be keen to hear from you.

For a confidential discussion or to apply, please submit your CV today.

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