Senior Site Manager
CV-LibraryLondonpermanentPosted: 22 April 2026
Apply NowO'Neill & Brennan are currently seeking an experienced Senior Site Manager to lead the delivery of the External Envelope Package on a £100m development in East London.
This is a major scheme requiring a strong façade / envelope bias, with hands-on experience managing packages from structural frame handover through to full envelope completion.
You will be joining a reputable main contractor / developer team delivering high-quality residential units in a fast-paced London environment.
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Key Responsibilities
- Take full site responsibility for the external envelope package on a large-scale residential development
- Lead and coordinate all façade-related works including:
- Curtain walling
- Cladding systems (brick slip, rainscreen, traditional façade interfaces)
- Windows, glazing, and waterproofing
- Balconies and architectural metalwork
- Manage programme sequencing from frame handover through to watertight stage
- Oversee subcontractors and ensure high standards of workmanship, installation, and safety
- Coordinate closely with structural, design, and MEP teams to ensure interface alignment
- Ensure compliance with HSE regulations, QA procedures, façade specifications, and fire safety requirements
- Drive progress reporting, site meetings, and short-term planning
- Maintain strong control of cost, programme, and quality targets
________________________________________
Requirements
- Proven experience as a Senior Site Manager / Site Manager on large residential schemes in London
- Strong external envelope / façade background essential
- Demonstrable experience in:
o Curtain walling
o Cladding systems
o Window installation and weatherproofing
o Façade sequencing and interface management
- Experience taking a building from RC frame to watertight stage
- Previous work with a main contractor or developer on residential projects
- Strong leadership and communication skills
- Valid SMSTS, CSCS (Black Card preferred), and First Aid
- Ability to manage multiple subcontractors and complex façade interfaces
________________________________________
What's on Offer
- Competitive salary / day rate (DOE)
- Long-term opportunity on a flagship East London residential scheme
- Strong pipeline of future projects
- Supportive project team and established contractor/developer environment
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
This is a major scheme requiring a strong façade / envelope bias, with hands-on experience managing packages from structural frame handover through to full envelope completion.
You will be joining a reputable main contractor / developer team delivering high-quality residential units in a fast-paced London environment.
________________________________________
Key Responsibilities
- Take full site responsibility for the external envelope package on a large-scale residential development
- Lead and coordinate all façade-related works including:
- Curtain walling
- Cladding systems (brick slip, rainscreen, traditional façade interfaces)
- Windows, glazing, and waterproofing
- Balconies and architectural metalwork
- Manage programme sequencing from frame handover through to watertight stage
- Oversee subcontractors and ensure high standards of workmanship, installation, and safety
- Coordinate closely with structural, design, and MEP teams to ensure interface alignment
- Ensure compliance with HSE regulations, QA procedures, façade specifications, and fire safety requirements
- Drive progress reporting, site meetings, and short-term planning
- Maintain strong control of cost, programme, and quality targets
________________________________________
Requirements
- Proven experience as a Senior Site Manager / Site Manager on large residential schemes in London
- Strong external envelope / façade background essential
- Demonstrable experience in:
o Curtain walling
o Cladding systems
o Window installation and weatherproofing
o Façade sequencing and interface management
- Experience taking a building from RC frame to watertight stage
- Previous work with a main contractor or developer on residential projects
- Strong leadership and communication skills
- Valid SMSTS, CSCS (Black Card preferred), and First Aid
- Ability to manage multiple subcontractors and complex façade interfaces
________________________________________
What's on Offer
- Competitive salary / day rate (DOE)
- Long-term opportunity on a flagship East London residential scheme
- Strong pipeline of future projects
- Supportive project team and established contractor/developer environment
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