Role Overview – Data Centre Supervisor We are seeking a highly motivated Data Centre Supervisor to join our successful and dynamic Data Centre Solutions team based in London. This pivotal role requires a strong technical understanding of critical facilities infrastructure, including electrical, mechanical, and data centre-specific systems. You will be responsible for the inspection, operation, and maintenance of all assets within the data centre, ensuring high standards of reliability, safety, and operational excellence. Key Responsibilities Operate, inspect, and maintain all mechanical and electrical (M&E) systems, including high-voltage isolations and operations. Produce detailed technical reports and recommend improvements as required. Ensure subcontractors comply with Standard Operating Procedures (SOPs), Method of Procedures (MOPs), Permit to Work (PTW) systems, and client change control protocols. Review and sign off subcontractor worksheets following inspections; escalate quality concerns to the Data Centre Operations Manager. Maintain accurate and up-to-date records of completed works, including usage of critical spares and stock. Prepare, review, and implement MOPs, SOPs, EOPs, and relevant risk assessments. Promote and uphold Quality, Health, Safety & Environmental (QHSE) standards through hazard reporting, near-miss logs, and toolbox talks. Undertake training aligned with the DCS training matrix and support a culture of continuous learning and development. Mentor and support technicians and apprentices, fostering a positive and growth-focused team culture. Champion the ongoing improvement of safe systems of work in line with all QHSE procedures and policies. Supervise both planned and reactive maintenance, ensuring timely, safe, and compliant delivery. Participate in engineering Quality Assurance (QA) processes to verify the quality of completed tasks. Oversee day-to-day performance of shift and day teams, including the coordination of holiday and sickness cover. Collaborate with the Engineering/Technical Services Manager (ESM/TSM) to support wider operational needs. Coordinate critical plant and equipment repairs, working closely with internal teams and subcontractors.Skills & Experience Required Proven experience in data centre or critical environment operations, or supervisory experience within Facilities Management (FM). HNC/HND in Electrical or Mechanical Engineering, or completion of a relevant apprenticeship. Certification in the 18th Edition Wiring Regulations (current version). Strong communication and interpersonal skills, with the ability to engage effectively at all levels. A proactive, driven individual with high attention to detail and initiative. Competent IT skills, with experience using maintenance management software and standard business systems. Ability to remain calm and clear-headed under pressure, especially in critical situations. Flexible approach to work, including attending training (on-site or off-site, with overnight stays if necessary). Capable of accurately following written and verbal instructions. Professional, enthusiastic, and committed to maintaining consistently high standards