Senior Construction Manager

Key Responsibilities Of The Role

Senior Construction Manager, Paris, France

Mercury is the European leader in construction solutions. We build and manage complex engineering & construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities, and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again.

We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including Enterprise Data Centres, Advanced Technology & Life Sciences, Hyperscale Data Centres, Fire Protection.

At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential.

Role

Reporting to the Project Operations Manager, the Senior Construction Manager will provide strategic leadership across all construction disciplines and supply chain partners, driving programme certainty, quality performance, safety excellence, commercial control and client satisfaction throughout the project lifecycle. This role demands a decisive leader with exceptional stakeholder management skills, deep technical understanding, and the ability to create a culture of accountability, collaboration and continuous improvement. As Senior Construction Manager, you will lead the construction delivery of a major project from pre-construction through completion, ensuring the safe, efficient and profitable execution of all site activities.

Construction Leadership & Delivery

• Lead the overall construction strategy and execution for large-scale projects.
• Direct and coordinate Civil, Structural & Architectural (CSA), Mechanical, Electrical and Life Safety construction activities.
• Establish a high-performance culture focused on safety, productivity, quality and collaboration.
• Provide leadership to project managers, package managers, engineers and site supervision teams.
• Ensure construction activities are executed safely, efficiently and in accordance with project objectives.
• Drive project delivery from mobilisation through commissioning and handover.

Programme & Planning Management

• Own construction delivery against the master programme.
• Work closely with planners, package leads, design teams and subcontractors to develop and maintain recovery and mitigation plans.
• Lead Daily Activity Briefings (DABs), look-ahead planning and construction coordination meetings.
• Identify programme risks and implement corrective actions to maintain key milestones.
• Ensure resources and labour are aligned to project delivery requirements.

Health, Safety & Environmental Leadership

• Champion Mercury's safety-first culture across all project activities.
• Lead site management teams in achieving world-class HSE performance.
• Ensure compliance with local legislation, client requirements and company procedures.
• Conduct regular leadership safety walks and audits.
• Drive proactive risk identification and incident prevention initiatives.
• Ensure successful project close-out of all health and safety documentation.

Commercial & Financial Management

• Maintain visibility and control of package budgets and construction costs.
• Support commercial teams in subcontract management, valuations, variations and change control.
• Monitor productivity and resource utilisation to maximise project performance.
• Participate in regular commercial reviews to manage project risk and opportunities.
• Support procurement strategies and supply chain performance management.

Supply Chain Management

• Lead and manage all subcontractor activities.
• Drive subcontractor accountability against safety, quality and programme requirements.
• Ensure adequate manpower, materials and plant resources are maintained.
• Chair regular subcontractor coordination and performance review meetings.
• Build collaborative relationships while maintaining clear contractual accountability.

Quality & Commissioning

• Ensure quality management systems are fully implemented and maintained.
• Oversee inspection and test plans, quality audits and defect management processes.
• Lead project readiness activities through staged completion and room readiness reviews.
• Drive efficient snagging, punch list closure and progressive handover.
• Support commissioning and