HV Electrical/Wireman - Transmission

Location: UK Nationwide | Contract Type: Permanent | Working Pattern: Full-Time | Site Based | Regular Travel Pay / Benefits: Remuneration for this role is benchmarked competitively within our sector. The Opportunity OCU is delivering critical transmission infrastructure projects across the UK, supporting the modernisation and resilience of the national electricity network.

As an HV Wireman, you'll play an important role in the installation and wiring of control, protection, and auxiliary systems within high-voltage substation environments. This is an excellent opportunity to work on nationally significant projects while developing your expertise alongside experienced engineering and commissioning teams.

If you take pride in quality workmanship, maintaining high safety standards, and delivering work right first time, we'd like to hear from you. Install and terminate control, protection, and auxiliary wiring systems within substation environments. Complete panel wiring, marshalling kiosk wiring, and equipment cabling to specification.

Interpret wiring diagrams, schematics, and cable schedules to support accurate installation activities. Route and install multicore, control, and fibre optic cables where required. Support testing and commissioning activities during project delivery and energisation phases. Identify, report, and rectify faults, snags, and non-conformances.

Maintain compliance with project RAMS, permit systems, and site safety requirements. Collaborate with Supervisors, Engineers, and delivery teams to achieve programme objectives. Essential Proven experience as a Wireman within substation, HV, power, or industrial environments. Strong understanding of control and protection wiring systems.

Ability to read and interpret technical drawings, wiring diagrams, and schematics. Experience carrying out cable termination, glanding, and installation activities. Strong commitment to health, safety, and quality standards. Relevant electrical qualification such as NVQ Level 3, City & Guilds, or equivalent. Full UK driving licence.

Desirable Previous experience working on National Grid, transmission, or substation projects. Bonus if you have National Grid Person or Competent Person authorisations. It would be great if you hold ECS, CSCS, CCNSG, or related industry certifications. It would be great if you have experience with protection panels, relay wiring, or SCADA systems.

Knowledge of commissioning, fault finding, earthing, and bonding requirements would be advantageous. At OCU, we believe that meaningful work should come with meaningful support. That's the principle behind Careers with Purpose, our commitment to ensuring every person at OCU feels supported, developed, and valued, not just in their role today, but throughout their career with us.

Alongside the opportunity to work on some of the UK's most significant infrastructure projects, we offer a benefits package that we are continuing to develop as we grow, and the kind of career acceleration that only comes from being inside a business moving at this pace. As a rapidly growing organisation, there are genuine opportunities to progress, broaden your experience, and build a long-term career within OCU Group.

For a confidential conversation about this opportunity, please contact Jonathan Bryden at jonathan.bryden@ocugroup.com . Our vacancies are typically advertised for two weeks; however, we reserve the right to close applications early should we receive a sufficient number of suitable candidates. We therefore encourage early applications.