LV Authorised Person – Commercial – London

Company: LJB & Co
Apply for the LV Authorised Person – Commercial – London
Location: London
Job Description:

Overview

In this role you will act as the LV Authorised Person on site for a major commercial build in Central London, overseeing low-voltage electrical works and ensuring safety compliance. You will interface with project and commissioning teams to keep LV systems installed, tested, and energised to programme milestones. You will manage permits-to-work and maintain accurate switching and testing records to support audits and handover. This is a hands-on leadership position within a large MEP subcontractor delivering data centre and industrial projects, offering impact on safety, quality, and project delivery.

Pay / Benefits

  • Benefits

Responsibilities

  • Act as the appointed LV Authorised Person on site for isolation, energisation, and switching activities
  • Issue, manage, and close LV permits-to-work for electrical installation, testing, and commissioning
  • Ensure compliance with BS 7671, Health & Safety at Work Act, and company Electrical Safety Rules
  • Audit site practices and implement corrective actions to remove unsafe conditions
  • Coordinate with project engineers, site supervisors, QA/QC, and commissioning teams
  • Maintain accurate records of switching schedules, tests, and isolation procedures for audits and handover

Key requirements

  • Minimum 5 years on large-scale commercial or mixed-use construction in electrical installation or commissioning
  • At least 2 years as LV Authorised Person
  • Valid LV Authorised Person certificate
  • UK Passport or right to work in the UK
  • strong safety mindset
  • cross-functional coordination
  • clear documentation and communication
  • low-voltage electrical systems
  • permits-to-work management
  • BS 7671 / IET Wiring Regulations

…

Posted: October 8th, 2026