Data Center Field Engineer Apprentice - Hands-on Learning, Marcoussis

ABOUT THE ROLE TheData Center Junior Field Engineer (Apprenticeship)supports operational teams in theday-to-day technical monitoring and continuous improvementof critical data center infrastructure, across the following scopes:

Electrical systems(MV/LV distribution, UPS, generators– operational level)

Mechanical systems(cooling, HVAC, thermal equipment)

BMS&Controls(supervision systems, automation, sensors, alarms)

This is ahands-on, learning-oriented position, designed to progressively build technical skills in mission‑critical environments under close supervision.

The apprentice contributes by:

observing and supporting operational activities,

collecting and documenting technical data,

assisting in analysis and improvement actions.

Key Responsibilities Operational&Technical Support

Support Facility Managers (FM)andCritical Environment Managers (CEM)in the monitoring of electrical, mechanical, and BMS systems.

Participate in site inspections and technical walkdowns.

Assist in basic analysis of BMS alarms and events.

Support first‑level incident response and troubleshooting activities, under supervision.

Electrical / Mechanical / BMS Exposure

Learn and understand:

Data center electrical architectures (SLD, redundancy, backup systems).

Cooling and HVAC systems (chillers, CRAH units, cooling plants, free cooling).

BMS and control systems (sensors, automation logic, alarms).

Participate in functional tests, periodic inspections, and supervised maintenance activities.

Documentation&Processes

Support the update and structuring of technical documentation:

Single Line Diagrams (SLD),

Operating procedures (SOP / EOP),

Equipment inventories,

CMMS data and records.

Contribute to documentation consistency and standardization across sites.

Projects&Commissioning Exposure

Support commissioning, testing, and handover activities for new equipment or data halls.

Observe interactions between Construction, Engineering, and Operations teams.

Assist in collecting and consolidating technical data after commissioning.

Safety, Environment&IMS

Strictly apply Data4 policies related to:

Health&Safety

Environment

Energy management

Information security

Learn and comply with IMS and ISO standards (9001, 14001, 45001, 50001, 27001).

Education&Profile Education

Student enrolled in an apprenticeship program (Bachelor to Master level) in:

Electrical Engineering

HVAC / Mechanical Engineering

Industrial Maintenance

Automation / Electrotechnics

Energy Engineering

Technical Skills (Expected / To Be Developed)

Basic knowledge of industrial electrical and/or mechanical systems

Strong interest in automation, controls, and supervision systems

Ability to read basic technical drawings and schematics

Good command of standard IT tools (Excel, Office)

Strong curiosity and attention to detail

Soft Skills

Strong willingness to learn in a technical, operational environment

Analytical mindset and attention to detail

Ability to work in a safety‑critical and process‑driven environment

Team spirit and good communication skills

Sense of responsibility and compliance with procedures

Languages

Fluent English (B2/C1)

Additional language at B1 level minimum a plus (French, Spanish, Polish, Italian, German)

What You Will Learn

Real‑life operation of mission‑critical data center infrastructure

Electrical and mechanical redundancy concepts (N+1, 2N)

Fundamentals of BMS and monitoring systems

Operational methodologies: incident response, preventive maintenance, audits

Collaboration within multicultural and cross‑functional teams

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