Fabric Technician / Maintenance
Critical Electrical Engineer (Data Centre / Critical Environment)Location: Sheffield Salary:
£27.50 per hour + Overtime & Call-Out
Hours: Full-time + On-call rota
The RoleWe are seeking a highly skilled Critical Electrical Engineer to join our team, supporting mission-critical environments such as data centres, call centres, and trading floors. This role focusses on maintaining uptime, ensuring resilience of critical systems, and delivering rapid response to breakdowns in line with strict SLA requirements.You will play a key role in ensuring the electrical infrastructure and critical plant operate safely, efficiently, and without interruption.
Key Responsibilities
Respond to breakdown maintenance requests within agreed SLA timesCarry out planned preventative maintenance (PPM) and reactive works on electrical systemsDiagnose and repair faults across power distribution, UPS, CPS, and cooling systemsPerform repairs and maintenance on modular UPS systemsTest and diagnose power quality issues, including harmonic distortion using on-site analysers.Provide emergency response, standby cover, and participate in a call-out rotaEscalate critical or high-risk issues to the Technical Services ManagerRespond effectively to work interruptions, outages, and emergencies in line with operational SLAs.Ensure all maintenance records, compliance logs, and documentation are accurately maintainedAdvise Facilities Management teams on changes or risks within critical environments.Apply a risk-based maintenance approach when working on plant and infrastructure.Support site audits and ensure compliance with all statutory and safety requirementsUndertake site surveys and produce technical reports, quotes, and recommendationsEssential Skills & Experience18th Edition Electrical Wiring Regulations (essential)Proven experience working in data centres or critical environmentsStrong technical knowledge of:Power distribution systemsUPS / CPS systemsCooling and critical HVAC infrastructureExperience diagnosing power quality issues and electrical faultsAbility to work under pressure in high-availability environmentsStrong understanding of SLA-driven maintenance and response timesExcellent fault-finding and problem-solving skillsFull UK driving licence (if mobile)What We're Looking ForA proactive, safety-first engineer with strong attention to detailAbility to work independently and as part of a teamFlexible approach to working hours, including out-of-hours and overtimeStrong communication skills with the ability to liaise with technical and non-technical stakeholdersWhat's on OfferCompetitive salary and overtime opportunitiesCall-out allowanceOngoing training and developmentOpportunity to work in high-profile, mission-critical environmentsCareer progression within a leading facilities management environment