Senior Data Centre Mechanical Engineer
(Mechanical Engineer / Critical Facilities Engineer / HVAC & Cooling Systems SME)

Location: London (UK), Paris or Frankfurt (Europe) (Travel Across European sites)
Salary: Circa £90,000 basic + Bonus & Excellent Benefits package (Flexible depending on salary & experience)

The Opportunity

Our client, a leading global data centre developer is seeking a Senior Data Centre Mechanical Engineer to join its expanding European Construction team.This is a senior, high-impact role where you will act as the Mechanical Subject Matter Expert (SME) across major hyperscale projects, delivering resilient, energy-efficient, and scalable mechanical systems for mission-critical data centre facilities.

The Role

As Senior Data Centre Mechanical Engineer / Mechanical SME, you will:

• Lead design, installation, testing, and commissioning of mechanical systems for hyperscale data centres.
• Oversee systems such as HVAC, chillers, cooling towers, air-handling units (AHUs), fire suppression, and fuel delivery systems.
• Provide technical leadership, acting as the Mechanical SME, ensuring compliance with safety, reliability, energy efficiency, and operational standards.
• Conduct design reviews, factory witness testing, and commissioning oversight to validate critical equipment performance.
• Advise on redundancy, maintainability, and scalable mechanical infrastructure solutions.
• Act as a trusted advisor to contractors, consultants, stakeholders, and tenants across all project phases.
• You will be based either in or around London (UK wide also considered), Paris or Frankfurt, with travel to European Projects & campuses

Key Requirements

• Extensive experience in mechanical systems for critical facilities, including data centres, semiconductors, pharmaceutical plants, or large-scale industrial environments.
• Expertise in HVAC systems, chillers, cooling towers, AHUs, and fire suppression systems.
• Proven track record delivering and commissioning mechanical systems for complex infrastructure projects.
• Strong understanding of European building codes, safety regulations, and energy efficiency standards.
• Excellent communication, stakeholder management, and problem-solving skills.
• Flexibility to travel across European campuses

Desirable Qualifications

• Degree in Mechanical Engineering, Building Services, or Construction Management.
• 7+ years’ experience in mechanical systems design or delivery for data centres or industrial-scale facilities.
• Professional certifications such as CEng, LEED AP, or ASHRAE.

What’s on Offer

• Senior leadership role within a global data centre developer.
• Opportunity to work on Europe’s most exciting hyperscale data centre projects.
• Circa £90,000 basic salary (Flexible depending on salary & experience)
• Bonus scheme.
• 25 days holiday + statutory days & additional Christmas shutdown.
• Death in service x 3 salary.
• Private healthcare for you and your family.
• Dental and optical care.
• Pension scheme.
• Income protection insurance.
• Long-term career progression in one of the fastest-growing global industries.

Senior Data Centre Mechanical Engineer
(Mechanical Engineer / Critical Facilities Engineer / HVAC & Cooling Systems SME)