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Data Centre Supervisor (Critical Facilities / Engineering Lead)London, UK Full-Time | Permanent Competitive Salary + Bonus + Benefits + Training & Career Progression
Data Centre Supervisor Jobs in London – Critical Facilities & Engineering Leadership We are hiring an experienced Data Centre Supervisor to join a growing Critical Facilities and Data Centre Engineering team in London. This is an excellent opportunity for a Lead Engineer, Shift Leader, Engineering Supervisor, or Critical Facilities Engineer looking to progress within the rapidly expanding data centre and mission-critical infrastructure sector.
This role combines hands-on Electrical & Mechanical (M&E) engineering expertise with leadership responsibility in a 24/7 high-availability environment. You will play a key role in maintaining uptime, resilience, compliance, and operational excellence across critical infrastructure systems.
Key Responsibilities Critical Facilities Operations & Maintenance
- Operate, inspect, maintain, and troubleshoot electrical and mechanical systems within a live data centre environment
- Carry out HV/LV switching operations, isolations, and safe systems of work
- Supervise Planned Preventative Maintenance (PPM) and reactive maintenance activities
- Coordinate fault finding, repairs, and corrective maintenance with engineers and specialist subcontractors
- Support Quality Assurance (QA) and technical compliance processes
- Ensure maximum uptime and operational reliability across all critical infrastructure systems
- Prepare, review, and implement:
- SOPs (Standard Operating Procedures)
- MOPs (Method of Procedure)
- EOPs (Emergency Operating Procedures)
- Permits to Work (PTW)
- Risk Assessments and Change Control documentation
- Ensure contractors comply with RAMS, site procedures, and Health & Safety standards
- Review and sign off contractor works while escalating risks where required
- Maintain accurate maintenance records, technical documentation, and asset registers using CAFM/CMMS systems
- Manage critical spares, inventory, and engineering stock levels
- Lead day-to-day engineering operations across shift and day teams
- Coordinate staffing, holiday planning, sickness cover, and engineering resource allocation
- Mentor and develop engineers, technicians, and apprentices
- Deliver toolbox talks, technical briefings, and performance reviews
- Promote a culture of safety, accountability, technical excellence, and continuous improvement
- Champion Health & Safety and QHSE compliance across all site operations
- Lead hazard reporting, near-miss investigations, and safety initiatives
- Ensure compliance with statutory regulations, company policies, and safe systems of work
- Support a zero-incident, safety-first culture within a mission-critical environment
- Lead by example in operational discipline and engineering best practice
- Proven experience within a Data Centre, Critical Facilities, Mission-Critical, or Facilities Management supervisory role
- HNC/HND in Electrical Engineering, Mechanical Engineering, or a recognised engineering apprenticeship
- 18th Edition Wiring Regulations qualification
- Strong technical knowledge of:
- Electrical systems (HV/LV)
- Mechanical systems and HVAC infrastructure
- UPS systems, critical power, generators, and cooling systems
- High-availability or mission-critical environments
- Strong leadership, communication, and stakeholder management skills
- Experience using CAFM/CMMS systems and engineering documentation processes
- Ability to work effectively under pressure in a live 24/7 operational environment
- Previous experience working within data centres or critical environments
- HV Authorised Person (AP) status or working towards certification
- Experience managing contractors and multi-disciplinary engineering teams
- Knowledge of compliance frameworks, permits, and change management processes
- Solutions-focused and detail-oriented
- Calm and decisive during critical incidents or outages
- Experienced in troubleshooting and problem-solving within critical infrastructure
- Flexible, adaptable, and committed to ongoing professional development
- Passionate about operational excellence and continuous improvement
- Join a rapidly growing Data Centre and Critical Facilities organisation
- Work with advanced infrastructure including UPS, HVAC, HV/LV systems, generators, and critical power systems
- Access structured training, industry certifications, and clear career progression opportunities
- Be part of a collaborative, high-performing engineering team
- Work in a safety-first environment focused on innovation and operational excellence