Mechanical Engineer

Leap29; Le Chesnay-Rocquencourt; Hybrid; EUR 70,000 - 90,000; Full time

Job summary

Leap29 is seeking a Resident Engineer – Mechanical for data centre projects in Paris, France. You will act as on-site technical representative, overseeing mechanical installation, ensuring design compliance, and supporting delivery from construction through commissioning and handover.

The role requires a Mechanical Engineering degree and at least 5 years in data centres or related facilities, with strong HVAC and building services knowledge.

Qualifications

• Degree in Mechanical Engineering or related discipline.
• Minimum 5 years of engineering experience.
• Experience in Data Centres, Mission Critical facilities, Building Services, Industrial projects, or complex construction environments.
• Strong knowledge of HVAC systems, chilled water systems, critical cooling infrastructure, mechanical plant, and building services systems.
• Ability to interpret drawings, specifications, and technical documentation.

Responsibilities

• Monitor mechanical installation works against approved designs and specifications.
• Review site quality, workmanship, and compliance standards.
• Identify and resolve technical and coordination issues during construction.
• Work closely with contractors, consultants, and project teams.
• Participate in inspections, testing, commissioning, and project handovers.
• Support project reporting, site reviews, and stakeholder coordination.
• Ensure projects are delivered safely and in line with design intent.

Skills

HVAC systems

Chilled water systems

Critical cooling

Building services

Read drawings/specs

Education

Mechanical Engineering degree

Job description

Resident Engineer – Mechanical | Data Centres & Mission Critical

Location: Paris, France

Type: Permanent

Working Arrangement: Hybrid

Our client is a leading international engineering consultancy specialising in Data Centres and Mission Critical infrastructure. Due to continued growth, they are seeking an experienced Resident Engineer – Mechanical to support the delivery of major hyperscale and mission-critical projects in Paris.

The Role

Working as the client's on-site technical representative, you will oversee mechanical installation activities, ensure compliance with approved designs, and support successful project delivery from construction through commissioning and handover.

Key Responsibilities

• Monitor mechanical installation works against approved designs and specifications.
• Review site quality, workmanship, and compliance standards.
• Identify and resolve technical and coordination issues during construction.
• Work closely with contractors, consultants, and project teams.
• Participate in inspections, testing, commissioning, and project handovers.
• Support project reporting, site reviews, and stakeholder coordination.
• Ensure projects are delivered safely and in line with design intent.

Requirements

• Degree qualified in Mechanical Engineering or a related discipline.
• 5 years minimum of experience engineering experience.
• Experience within Data Centres, Mission Critical facilities, Building Services, Industrial projects, or complex construction environments.
• Strong knowledge of HVAC systems, chilled water systems, critical cooling infrastructure, mechanical plant, and building services systems.
• Ability to interpret drawings, specifications, and technical documentation.

Why Join?

• Work on major hyperscale and mission-critical developments across Europe.
• Gain exposure to complex cooling infrastructure, HVAC systems, chilled water plants, and commissioning activities.
• Join a growing international engineering consultancy.
• Excellent long-term progression and professional development opportunities.