Mechanical Site Manager

We are currently seeking an experienced Mechanical Site Manager to join a major mixed-use development project in Southampton. This is an excellent opportunity for a driven and technically strong Mechanical Site Manager to oversee the installation and delivery of mechanical building services on a large-scale construction project. The successful candidate will be responsible for managing mechanical subcontractors, coordinating site activities, maintaining programme deadlines and ensuring all mechanical installations are delivered to the required quality, health and safety, and technical standards.

Key Responsibilities

• Manage and coordinate all mechanical building services installations on site.
• Oversee mechanical subcontractors, supervisors and installation teams.
• Ensure works are delivered in line with project drawings, specifications and programme requirements.
• Coordinate mechanical services with electrical, structural and architectural trades.
• Monitor progress against the construction programme and report any delays or potential issues.
• Carry out regular site inspections to ensure quality, compliance and installation standards.
• Ensure all works comply with relevant British Standards, Building Regulations and health and safety legislation.
• Review technical drawings, specifications, RAMS and installation details.
• Attend site meetings and provide progress updates to the project management team.
• Manage quality inspections, snagging, testing, commissioning and final handover.
• Ensure materials, labour and subcontractor resources are effectively coordinated.
• Maintain accurate site records and ensure all relevant documentation is completed.

Requirements

• Proven experience as a Mechanical Site Manager or Mechanical Supervisor on commercial, residential or mixed-use construction projects.
• Strong knowledge of mechanical building services, including HVAC, ventilation, plumbing and public health systems.
• Experience managing mechanical subcontractors and multiple site activities.
• Ability to interpret mechanical drawings, specifications and technical documentation.
• Good understanding of construction programmes, quality control and health and safety requirements.
• Relevant mechanical qualifications or equivalent industry experience.
• SMSTS/SSSTS
• CSCS card appropriate to the role.
• Strong communication, organisational and problem-solving skills.