Data Center Operations Engineer: Reliability & Incident Leader

Data4 Group; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

Data4 Group in Warszawa is seeking a Data Center Operations Engineer (DCOE) to ensure safe, reliable operation of critical data center infrastructure and to act as the main interface between internal teams, customers, and service providers.

The role covers maintenance planning, incident handling, change management, and thorough documentation, with emphasis on safety, compliance, and continuous improvement. English proficiency is required for collaboration with international stakeholders.

Qualifications

• Degree in electrical, mechanical, or related technical field (or equivalent experience)
• Minimum 5 years of experience in operations, critical facilities, or industrial environments
• Experience in maintenance, incident management, or technical operations roles
• Experience working with external vendors or service providers
• Professional working proficiency in English

Responsibilities

• Ensure the continuous operation of critical infrastructure (electrical, mechanical, cooling, fire protection, low current systems)
• Monitor infrastructure performance using BMS and monitoring tools
• Supports, validates, follows-up and manage preventive and corrective maintenance activities
• Ensure compliance with design standards, operational procedures, and safety requirements
• Participate in commissioning, testing, and handover activities when applicable
• Own the incident management lifecycle: detection, assessment, escalation, resolution, and closure
• Coordinate and contribute to root cause analysis (RCA) and define corrective and preventive actions
• Track and ensure completion of action plans related to incidents and risks
• Participate in and support incident simulation drills and crisis scenarios
• Plan, review, and supervise maintenance schedules and interventions
• Ensure proper execution of change management processes, minimizing operational risks
• Use maintenance management tools (CMMS or equivalent) to track activities, performance, and compliance
• Ensure all activities are properly documented and aligned with procedures
• Manage technical service providers on-site (multi-technical, maintenance, specialized vendors)
• 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
• Act as a technical point of contact for customers during maintenance operations and incidents
• Support customer audits, certifications, and reporting needs
• Participate in contractual and operational meetings with customers
• Ensure clear and timely communication on incidents, maintenance, and risks
• Produce and review operational and monthly reports
• Maintain accurate and up-to-date technical documentation (procedures, reports, asset data)
• Ensure proper documentation of incidents, changes, and maintenance activities
• Ensure strict application of DATA4 Health & Safety rules by all third‑party companies operating on site
• 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
• Coordinate with relevant stakeholders to prevent conflicts between simultaneous activities and ensure safe execution conditions
• 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
• Contribute to continuous improvement of safety practices and promote a strong safety culture on site

Skills

English proficiency

Communication skills

Education

Bachelor's degree in Electrical/Mechanical or related field

Tools

BMS

CMMS

Job description

Data4 Group in Warszawa is seeking a Data Center Operations Engineer (DCOE) to ensure safe, reliable operation of critical data center infrastructure and to act as the main interface between internal teams, customers, and service providers.

The role covers maintenance planning, incident handling, change management, and thorough documentation, with emphasis on safety, compliance, and continuous improvement. English proficiency is required for collaboration with international stakeholders.