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HV Installation Supervisor
UK Wide

The HV Installation Supervisor is a hands-on, site-based role responsible for supervising and coordinating high-voltage installation works on substations and related projects.

Key Responsibilities

Supervise and coordinate on-site installation activities for HV substation equipment, including transformers, switchgear, busbars, disconnectors, circuit breakers, and control panels.
Lead and support installation teams, ensuring correct methods, sequencing, and quality standards are maintained.
Remain hands-on where required, assisting with HV equipment installation, cable installation, terminations, and jointing (where qualified).
Monitor daily progress against work plans and report installation status to project engineers or site management.
Ensure all installation works comply with health, safety, and environmental (HSE) requirements, company procedures, and statutory regulations.
Carry out site briefings, toolbox talks, and task-specific risk assessments.
Review and interpret electrical drawings, schematics, and single line diagrams (SLDs) to guide installation activities.
Support pre-commissioning and commissioning activities in coordination with commissioning engineers.
Oversee isolation, earthing, and switching activities under permit-to-work systems (where authorised).
Identify and resolve installation issues on site, escalating technical concerns where necessary.
Ensure accurate completion of installation records, test data, permits, and site documentation.
Liaise daily with engineers, other supervisors, subcontractors, and clients to ensure installation quality and programme targets are met.
Ensure tools, equipment, and materials are available, correctly used, and maintained in a safe condition.
Qualifications & Experience

Recognised Electrical Trade Qualification / NVQ Level 3 / Electrical Apprenticeship or equivalent.
Proven experience installing HV substation equipment (typically 11kV-400kV).
Previous experience in a lead fitter, chargehand, or installation supervisory role.
Strong technical knowledge of HV equipment, switchgear, control systems, and installation practices.
Competence in supervising safe systems of work and enforcing electrical safety standards on site.
Ability to communicate clearly with installation teams and engineering staff