DATA4 creates Smart & Scalable digital facilities for our customers. Our network of highly connected, resilient and sustainable data center campuses underpins our customers’ digital growth in Europe.
DATA4 Group finances, designs, constructs and operates its own data centers. Delivered through our data center campus model, we provide our customers with secure, scalable and high-performance data hosting solutions.
These are the core of everything we do – from the proactivity we show in delivering great outcomes for our clients, to the responsibility we show as a key contributor to the digital economy. To be entrepreneurial – we are teams of doers who make things happen - with autonomy, energy and a sense of responsibility
The Data Center Operations Engineer (DCOE) is responsible for the safe, reliable and efficient operation of critical data center infrastructure.
The Data Center Operations Engineer (DCOE) operates with autonomy on day-to-day operations, acting as a key interface between internal teams, customers, and service providers.
Ensure the continuous operation of critical infrastructure (electrical, mechanical, cooling, fire protection, low current systems)
Monitor infrastructure performance using BMS and monitoring tools
Participate in commissioning, testing, and handover activities when applicable
Coordinate and contribute to root cause analysis (RCA) and define corrective and preventive actions
Use maintenance management tools (CMMS or equivalent) to track activities, performance, and compliance
Vendor & Contract Management

Monitor vendor performance against SLAs, KPIs, and contractual obligations
Lead performance reviews, issue escalation, and continuous improvement actions
Ensure vendors comply with health & safety, operational, and quality standards




Maintain accurate and up-to-date technical documentation (procedures, reports, asset data)
Ensure strict application of DATA4 Health & Safety rules by all third‑party companies operating on site (contractors, vendors, service providers)
Verify compliance with safety procedures, work permits (PTW), LOTO, and site‑specific HSE requirements before and during interventions
Identify and manage co-activities risks within the area of responsibility, especially during planning and scheduling of maintenance works and projects
Conduct regular safety inspections and audits of ongoing works and contractor activities
Report unsafe situations, near misses, and deviations, ensuring immediate corrective actions
Actively participate in the investigation and root cause analysis (RCA) of incidents occurring within the scope of responsibility
Information security: Respect and enforce information security policies
Energy: Respect and enforce the policy of reducing energy consumption.
Degree in electrical, mechanical, or related technical field (or equivalent experience)
Minimum 5 years of experience in operations, critical facilities, or industrial environments (data center experience is a plus)
Professional working proficiency in English
Solid understanding of electrical (HV/LV), mechanical/cooling, and fire safety systems in operational environments, with hands‑on exposure to maintenance, troubleshooting, and safety practices (e.g. Experience using monitoring tools (BMS or equivalent) to track performance, alarms, and system status
Proven experience in incident management and root cause analysis (RCA), with a structured and rigorous approach
Experience planning and overseeing maintenance activities, with attention to quality, safety, and documentation
Exposure to change management and SLA-driven environments, with ability to monitor performance and ensure compliance

📌 Data Center Operations Engineer (DCOE) Spain (Madrid)
🏢 Data4
📍 Madrid