Mechanical Construction Manager

Mechanical Construction Manager, Paris, France

Mercury is the European leader in construction solutions. We build and manage complex engineering and construction projects for the world’s leading corporations, delivering technologies that connect people, communities and businesses.

Key Responsibilities Of The Role

• Ensure full compliance with health & safety regulations, quality standards, and data centre specific requirements.
• Champion the Mercury QA/QC cycle, ensuring Mercury standards are engrained throughout the project lifecycle.
• Lead and manage all mechanical construction activities (HVAC, chilled water systems, piping, plant rooms, etc.) across large‑scale data centre projects.
• Oversee end‑to‑end project execution, from design coordination through installation, testing and commissioning.
• Manage and coordinate mechanical design consultants, subcontractors, and specialist vendors.
• Review design documentation and provide technical input, constructability reviews, and cost‑effective engineering solutions.
• Plan and control mechanical resources, including labour, materials, equipment and subcontractor packages.
• Drive the site‑based mechanical delivery program, ensuring works are executed in line with project schedules and milestones.
• Lead large multidisciplinary teams to deliver projects in accordance with strict data centre timelines and operational requirements.
• Monitor and report on mechanical construction progress, risks and performance metrics.
• Manage mechanical commissioning activities, including integrated systems testing (IST) and handover processes.
• Support commercial teams to maintain project cost control and profitability.
• Collaborate closely with electrical, civil/structural/architectural and client teams to ensure coordinated delivery of mission‑critical systems.

Essential Criteria

• Strong knowledge of mechanical systems design, installation and commissioning, particularly within mission‑critical or data centre environments.
• Proven ability to lead and manage large site teams, subcontractors and complex construction programmes.
• Relevant trade background or a degree in Mechanical Engineering or a related discipline.
• Demonstrated experience delivering large‑scale industrial, pharma or data centre projects.
• Minimum 4–5 years’ experience as a Mechanical Construction Manager on complex builds.
• Excellent stakeholder management, leadership and communication skills.
• Strong understanding of health & safety, QA/QC processes and commissioning protocols.
• Ability to perform effectively under tight deadlines and high‑pressure project environments.
• Track record of successfully driving projects to on‑time and on‑budget completion.

Desirable Criteria

• Experience working on hyperscale or enterprise data centre projects.
• Familiarity with BMS, HVAC controls and critical cooling infrastructure.
• Proficiency in project planning tools (MS Project, Primavera P6) and MS Office.
• Knowledge of commissioning standards such as ASHRAE, CIBSE or equivalent.

Mercury is an equal opportunities employer.