External Works Assistant Site Manager – 12+ Month RC Residential

Blayze Group; Greater London; On-site; GBP 31,000 - 42,000; Full time

Job summary

Blayze Group is seeking an Assistant Site Manager to join a flagship regeneration scheme in North London on a long-term contract (12 months+). You will support the Senior Externals Manager in delivering external works for seven RC frame residential blocks, ensuring safety, quality and on‑programme completion.

The role requires experience on large RC frame developments, subcontractor management, and relevant certificates (SMSTS/SSSTS, CSCS, First Aid).

Qualifications

• Experience as Assistant Site Manager or Site Supervisor on large RC frame residential developments.
• Experience overseeing external packages: brickwork, roofing, landscaping and balconies.
• Strong subcontractor management and communication skills.
• Certifications: SMSTS/SSSTS, CSCS and First Aid.
• Proactive with emphasis on quality, health, safety and programme.

Responsibilities

• Assist the Senior Externals Manager with day-to-day delivery of external works.
• Manage specialist subcontractors across brickwork, roofing, balconies and landscaping.
• Monitor quality, programme and health & safety on site.
• Coordinate inspections and ensure works meet specification.
• Attend subcontractor meetings and report progress.
• Maintain site records and support milestone delivery.

Skills

Subcontractor management

Health & safety

Quality control

Programme management

Education

SMSTS/SSSTS

CSCS

First Aid

Job description

Blayze Group is seeking an Assistant Site Manager to join a flagship regeneration scheme in North London on a long-term contract (12 months+). You will support the Senior Externals Manager in delivering external works for seven RC frame residential blocks, ensuring safety, quality and on‑programme completion.

The role requires experience on large RC frame developments, subcontractor management, and relevant certificates (SMSTS/SSSTS, CSCS, First Aid).