External Site Manager in London

External Site Manager in London

London Full-Time On-site
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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.

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External Site Manager in London employer: Madigan Gill

MadiganGill is an excellent employer, offering a supportive work culture that values reliability and teamwork at our HMP Lancaster site. We provide opportunities for employee growth and development, ensuring that our General Labourers are equipped with the skills needed to thrive in the construction industry. With a commitment to equal opportunities, we foster an inclusive environment where every team member can contribute meaningfully and feel rewarded in their role.

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Contact Details:

Madigan Gill Recruitment Team