Location: London
Job Type: Full-time, Permanent
Salary: Competitive + Excellent Benefits

A leading data centre operator is seeking an experienced Electrical Engineer to join its high-performing team in LondonThis is a critical role supporting the delivery of robust, compliant and highly efficient electrical operations within a mission-critical environment.

You will be responsible for the operation, maintenance and enhancement of complex electrical power systems that support 24/7 digital infrastructure. This position is ideal for an engineer with strong technical expertise in HV/LV systems, UPS technologies, standby power and electrical resilience.

• Operate, maintain and optimise HV/LV electrical distribution systems, including transformers, switchgear, protection systems and distribution panels.
• Ensure safe, reliable operation of UPS systems, battery strings (VRLA/Lithium), static transfer switches and power quality monitoring equipment.
• Support the testing and operation of diesel generators, fuel systems and automatic transfer controls.
• Carry out electrical maintenance, inspections, testing and compliance tasks in line with regulations and internal standards.
• Diagnose electrical faults, conduct root-cause analysis and implement corrective actions promptly and safely.
• Monitor electrical loads, redundancy, capacity and efficiency to ensure optimal performance.
• Contribute technical expertise to electrical upgrade works, retrofit projects, switchgear replacements and capacity expansion plans.
• Work closely with contractors and suppliers, ensuring safe systems of work (permit-to-work, isolations, RAMS).
• Maintain accurate electrical documentation including single-line diagrams, maintenance records and compliance reports.

• Degree in Electrical Engineering or relevant electrical discipline.
• Proven experience working within a data centre or other mission-critical environment (e.g., hospitals, pharmaceuticals, financial services, industrial).
• Strong knowledge of:
  • HV/LV power distribution
  • UPS and battery technologies
  • Diesel generator systems
  • Protection systems and electrical discrimination
  • Power monitoring, EPMS and BMS
• Good understanding of BS 7671, IEC standards, ISO frameworks and electrical safety regulations.
• Excellent electrical fault-finding and troubleshooting skills.
• Ability to work under pressure in high-availability environments.
• Effective communicator with the ability to work collaboratively across multidisciplinary teams.
• Strong focus on safety, compliance, quality and operational excellence.

• Opportunity to work on advanced electrical infrastructure within a world-class data centre.
• A progressive engineering environment where innovation and continuous improvement are encouraged.
• Professional development pathways, including HV training and authorisation opportunities.
• Competitive salary with a comprehensive benefits package.
• The chance to play a key role in maintaining the resilience and performance of a major critical infrastructure asset.

If you are an experienced Electrical Engineer looking to take the next step in your career within a highly technical, mission-critical environment, please apply today with your CV.

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