Assistant Site Manager

Key Recruitment Limited; Wales; On-site; GBP 35,000 - 45,000; Full time

Job summary

A leading recruitment agency is seeking an Assistant Site Manager in Cardiff to support day-to-day site activities. You'll work alongside the Site Manager, managing resources and ensuring project delivery aligns with health and safety standards. Applicants should have a construction qualification, background in cladding, and valid CSCS card, with preferred NVQ. This permanent role offers an annual salary of £35,000 - £45,000, and is ideal for those looking to further their career in site management.

Qualifications

• Construction-related qualification or equivalent experience preferred.
• Background in cladding or façades with essential QC/QA experience.
• Valid CSCS card with preferred SSTS qualification.

Responsibilities

• Support planning and delivery of site works with resources.
• Communicate quality expectations and manage documentation.
• Collaborate with commercial teams and manage subcontractors.
• Assist in Health & Safety procedures and documentation.
• Maintain relationships with clients and resolve issues.
• Contribute to quality management and compliance.
• Attend meetings and monitor workforce performance.

Skills

Construction experience

Quality Control / Quality Assurance

MS Word proficiency

MS Excel proficiency

MS Outlook proficiency

Education

ONC or equivalent qualification

Relevant NVQ (in progress)

Tools

CSCS card

SSTS qualification

Job description

Assistant Site Manager

Cardiff

£35,000 - £45,000

PERMANENT

Role Overview

The Assistant Site Manager supports the Site Manager in overseeing day‑to‑day site activities and ensuring the project is delivered safely, on time, and within budget. Working closely with the QS, H&S, ISO, technical teams, and other internal departments, they help coordinate resources, maintain standards, and ensure the smooth delivery of cladding remediation projects across London and the Southeast. Our client was established over 20 years ago and is a leading principal contractor specialising in high‑quality, compliant cladding remediation and regeneration schemes.

Key Responsibilities

• Support the planning, coordination, and delivery of site works by managing labour, materials, and resources to agreed productivity levels, deadlines, budgets, and programme requirements.
• Communicate work programmes, quality expectations, and contractual obligations to the site workforce while maintaining clear and accurate documentation, records, and compliance with all legislation, regulations, and company procedures.
• Work collaboratively with project management, commercial teams, QS, and buying departments to manage subcontractors, place and sequence material orders, and monitor costs, ensuring efficient use of resources and timely delivery.
• Assist in the implementation of Health & Safety procedures, including risk assessments, method statements, COSHH requirements, and all construction‑phase H&S documentation.
• Maintain strong relationships with clients, stakeholders, residents, and internal teams, helping to resolve any site or resident issues promptly and professionally.
• Contribute to quality management, design coordination, and ISO compliance across the project, ensuring works are delivered to agreed standards.
• Attend regular site and management meetings, address contractor or subcontractor issues, monitor workforce performance, and stay up to date with industry regulations and company processes.

Skills & Qualifications

• ONC or equivalent construction‑related qualification or experience, ideally supported by (or working toward) a relevant NVQ.
• Background in cladding, façades, or related disciplines, with QC/QA experience essential; EWI experience beneficial.
• Valid CSCS card; SSTS qualification preferred.
• Confident user of MS Word, Excel, and Outlook.
• Full UK driving licence and access to a vehicle preferred.
• Willingness to undertake any further training required for the role.

Apply now or call Lynsey at Key Recruitment for more information.