External Site Manager

Madigan Gill; Greater London; On-site; GBP 60,000 - 85,000; Full time

Job summary

Madigan Gill seeks an External Site Manager to oversee and coordinate all external construction activities on a busy project in London. You will manage reinforced concrete works, pre-pour inspections, groundworks, utilities coordination, drainage, district heating installations and waterproof concrete works, delivering safely, on programme and to quality standards.

You will lead subcontractors, monitor RAMS and ITPs, resolve technical issues and report progress to the Project Manager.

Responsibilities

• RC Works: Oversee reinforced concrete works, including reinforcement, formwork, pre-pour inspections and concrete quality checks.
• Pre-Pour Checks: Ensure all inspections, approvals, setting-out, reinforcement and embedded items are signed off prior to concrete pours.
• Groundworks: Manage excavation, earthworks, foundations, backfilling and associated groundworks activities.
• Utilities Coordination: Coordinate installation, diversions, connections and protection of underground services with subcontractors and utility providers.
• Drainage: Supervise foul and surface water drainage installations, including testing, inspections and compliance with approved drawings.
• District Heating: Coordinate district heating pipework installation, interfaces, testing and commissioning requirements.
• Waterproof Concrete: Oversee waterproof concrete construction, including joint detailing, waterbars, penetrations, quality control and compliance with waterproofing specifications.

Job description

We are seeking an experienced and proactive External Site Manager to oversee and coordinate all external construction activities on a busy construction project. The successful candidate will be responsible for managing reinforced concrete works, pre-pour inspections, groundworks, utilities coordination, drainage, district heating installations and waterproof concrete works. The role requires strong technical knowledge, effective subcontractor management and a hands‑on approach to ensuring works are delivered safely, on programme, to specification and to the highest quality standards.

Key Responsibilities:

• RC Works: Oversee reinforced concrete works, including reinforcement, formwork, pre-pour inspections and concrete quality checks.

• Pre-Pour Checks: Ensure all inspections, approvals, setting‑out, reinforcement and embedded items are signed off prior to concrete pours.

• Groundworks: Manage excavation, earthworks, foundations, backfilling and associated groundworks activities.

• Utilities Coordination: Coordinate installation, diversions, connections and protection of underground services with subcontractors and utility providers.

• Drainage: Supervise foul and surface water drainage installations, including testing, inspections and compliance with approved drawings.

• District Heating: Coordinate district heating pipework installation, interfaces, testing and commissioning requirements.

• Waterproof Concrete: Oversee waterproof concrete construction, including joint detailing, waterbars, penetrations, quality control and compliance with waterproofing specifications.

General Site Management:

• Manage subcontractors, daily site activities and programme delivery.

• Ensure compliance with RAMS, health and safety requirements and site procedures.

• Coordinate inspections, permits, QA documentation and inspection test plans (ITPs).

• Identify and resolve technical issues, design clashes and construction constraints.

• Report progress, risks and upcoming activities to the Project Manager.

• Ensure works are completed to the required quality standards, programme and budget.