Senior Site Manager

Company: O'Neill & Brennan
Apply for the Senior Site Manager
Location: London
Job Description:

Role Overview

We are seeking an experienced Senior Site Manager to join a leading construction business delivering a major residential‑led development in East London. Reporting directly to the Project Manager, you will take responsibility for the day-to‑day management of site operations, ensuring works are delivered safely, efficiently, and to the highest quality standards.

This is a key leadership role requiring a proactive and decisive individual capable of managing large site teams, coordinating multiple subcontractors, and driving programme performance throughout the project lifecycle.

The Opportunity

This is an exciting opportunity to play a pivotal role in the delivery of a significant multi‑phase development. The successful candidate will join a well‑established project team and contribute to the successful delivery of a large‑scale scheme that will have a lasting impact on the local area.

Experience & Qualifications

  • Proven experience delivering large‑scale residential or mixed‑use developments.
  • Strong track record of managing sizeable site teams and multiple subcontractor packages simultaneously.
  • Experience working on complex construction projects with high workforce levels.
  • Proficient in Microsoft Office applications, including Word, Outlook, and Excel.
  • Experience using digital construction management platforms.
  • Strong commercial awareness and people management skills.
  • Ability to make effective staffing and resource decisions to maintain project performance.

Key Skills

  • Strong planning and organisational abilities with a focus on short and medium‑term programming.
  • Excellent leadership and team management skills.
  • Ability to coordinate labour, materials, and subcontractors to achieve programme objectives.
  • Strong written and verbal communication skills.
  • High attention to detail and commitment to quality standards.
  • Ability to work effectively under pressure and meet demanding deadlines.
  • Experience chairing meetings and producing clear action plans.
  • Strong stakeholder management and client‑facing communication skills.
  • Ability to coordinate effectively with operational, commercial, design, and logistics teams.

Key Responsibilities

  • Manage day‑to‑day site operations and oversee all site‑based activities.
  • Lead and coordinate subcontractors to ensure programme and quality objectives are achieved.
  • Chair regular coordination meetings and monitor progress against agreed actions.
  • Review site records and ensure accurate reporting across all workstreams.
  • Assist with programme management, look‑ahead planning, and resource forecasting.
  • Work closely with project teams to identify and resolve operational challenges.
  • Coordinate with commercial and design departments to ensure construction activities are fully supported.
  • Promote and maintain the highest standards of health, safety, and environmental compliance.
  • Monitor quality assurance processes and site inspection regimes.
  • Liaise with external stakeholders, consultants, inspectors, and regulatory bodies as required.
  • Support site logistics planning and ongoing operational improvements.
  • Participate in daily and weekly planning meetings to ensure effective coordination of all trades and activities.
  • Contribute to procurement planning, subcontractor management, and package reviews where required.

O’Neill and Brennan values diversity and promotes equality. All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation.

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Posted: June 13th, 2026