Electrical Testing Authorised Person

Electrical Authorised Person (AP) - Critical Facilities/Data Centres Location: Heathrow, Slough & Enfield Contract: Initial 3-month contract Environment: Critical Facilities/Data Centres Portfolio: 13 Data Centre sites The Opportunity We are looking for an Electrical Authorised Person to join a specialist Critical Facilities engineering team supporting a portfolio of 13 Data Centre sites across Heathrow, Slough and Enfield.

The role will support a major Fixed Electrical Testing programme across live, business-critical environments where uptime, electrical safety and operational resilience are essential. You will work across the estate supporting the safe operation, isolation and switching of critical HV/LV electrical infrastructure, enabling testing activities to be completed safely and with minimal disruption to live operations.

This is an operational Critical Facilities position rather than a standard electrical installation role. You will work around critical power infrastructure including 11kV distribution, LV systems, UPS, generators, switchgear and associated M&E plant.

Key Responsibilities Act as an Electrical Authorised Person across assigned Critical Facilities and Data Centre sites Support the safe operation, isolation and switching of HV and/or LV electrical systems Enable and support Fixed Electrical Testing activities across the 13-site portfolio Prepare, review and execute electrical switching procedures and Standard Operating Procedures (SOPs) Issue, manage and cancel electrical safety documentation including Permits to Work and Certificates of Isolation Implement and maintain Lock Out/Tag Out (LOTO) procedures Review contractor RAMS and ensure work is completed under appropriate Safe Systems of Work Oversee specialist electrical testing contractors operating within live critical environments Support electrical isolations required for periodic inspection and testing Operate critical M&E systems safely and in accordance with site procedures Support planned outages, critical maintenance and infrastructure works Identify risks and make technical recommendations where required Provide concise technical reports following testing, incidents or infrastructure activities Ensure testing activities comply with BS 7671 and relevant electrical testing requirements Maintain high standards across electrical plant rooms and operational areas Participate in Toolbox Talks, hazard reporting and near-miss reporting Work closely with site engineering, facilities and specialist vendor teams to maintain operational resilience Essential Qualifications Current Authorised Person status in HV and/or LV electrical systems C&G 2391 Inspection & Testing or recognised equivalent Current BS 7671/18th Edition NVQ Level 3 Electrical Installation, recognised City & Guilds qualification or equivalent electrical apprenticeship Ability to travel between sites across Heathrow, Slough and Enfield Job Title: Electrical Testing Authorised Person - Data Centres Location: London, UK Job Type: Contract

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