Datacenter Supervisor

Data Centre Supervisor Location: Madrid Sector: Critical Infrastructure / Data Centre Operations Working Pattern: Monday - Friday (with out-of-hours cover as required) An established data centre operator is seeking a Data Centre Supervisor to support the safe, resilient and efficient operation of a mission-critical facility supporting high-profile customers. This is a hands-on engineering leadership role, ideal for someone who understands what "best in class" operational delivery really looks like. Reporting into the Data Centre Manager, you will take responsibility for the day-to-day oversight of electrical and mechanical systems, third-party service providers, and operational processes, with a clear focus on uptime, safety, and service excellence. The Role * Support overall responsibility for the site's critical electrical and mechanical infrastructure, from both a preventative and reactive maintenance perspective * Act as a key point of contact for customers during day-to-day operations and incident escalation * Oversee and challenge third-party maintenance providers, ensuring PPMs, reactive works and service repairs are completed to standard and on time * Monitor and respond to BMS and critical alarms, supporting diagnostics, escalation and root cause analysis * Review, develop and improve SOPs, MOPs and EOPs to reduce human error and protect uptime * Ensure all change management activities are carried out in line with process, including review of RAMS, permits and contractor competency * Provide cover for the Data Centre Manager during periods of absence * Support a strong safety-first culture, ensuring compliance with all site, company and client QHSE requirements Key Technical Exposure * HV/LV electrical systems, UPS, generators, ATS/STS, PDUs * Cooling systems including chillers, CRAHs, AHUs and associated controls * BMS and electrical power monitoring systems * Critical incident and change management processes Background & Experience Essential

• Recognised electrical or mechanical qualification * Proven experience within data centre operations or other critical environments * Strong understanding of critical infrastructure systems * Experience supervising contractors or acting in a shift-lead / supervisory capacity * Confident communicator in Spanish and English (written and verbal) * Calm, structured decision-making approach, particularly during incidents Desirable * HVAP or working towards HV authorisation * Fire marshal or first aid certification * Knowledge of permit to work systems, risk assessments and asset management tools Personal Attributes * Positive, solutions-focused and delivery-driven * Comfortable leading by example in a live operational environment * Detail-oriented with a strong sense of ownership and accountability * Able to remain composed under pressure and during outages or incidents Additional Information * Participation in an out-of-hours call-out rota is required * Flexibility to support planned shutdowns, emergencies and holiday cover * Occasional travel to other European facilities for training may be required * Successful candidates will be subject to background checks in line with local regulations