Site Agent

Greater Manchester, United KingdomPosted Oct 15, 2026

Job description

The Site Agent acts as the primary contact on the construction site managing the day-to-day construction activities. The Site Agent is responsible for the safe management of site, coordination of works and trades and the overall delivery of the project whilst ensuring that the project is delivered to budget, on time, to the quality standards required and importantly, safely.

The job will primarily be civil focussed but there will be a requirement for the management of other trades. The Site Agent will be the onsite representative of the Senior Construction Manager. #LI-ES1 Key Responsibilities Review contractual agreements and develop design, working methods, programme and forecast costs with the Construction Manager, General Foreman and Subcontractors / Suppliers identifying any inaccuracies or inconsistencies, and feedback any changes made to the QA and QS teams.

Develop programmes and forecast budgets, assess actual programme and productivity achieved and review weekly, taking action where appropriate, and reporting any changes to the construction manager and QS department. Be fully conversant with subcontractor’s contract conditions, develop job specific subcontract conditions and manage the subcontractors’ account with the QS team Requisitioning resources in a timely manner to ensure that they are correctly specified and readily available so as not to impede the construction programme.

Communicate to the QA and QS teams non-conformances and any instructions received from the client / designer / RE’s staff. Ensure that comprehensive records of resources employed on additional works are maintained. Keep a full and accurate daily site diary, including any changes / variations, subcontractors’ attendance, and records of work-related discussions with client / designer / RE / project team.

Ensure that inspection and test plans, risk assessments and method statements for the control of the works are reviewed, approved, and adhered to. Produce monthly reports for financial forecasting, monitoring and control of project cost Set the highest example for Health and Safety Requirements Understand the Client and Joint Venture Partners' Environment and Sustainability Policies, processes and statutory requirements as they affect the company's operations and ensure that the requirements, as applicable within their discipline, are implemented on the project.

Knowledge, Skills, and Experience Essential: Understanding of Engineering Principles Knowledge and understanding of construction contract law and forms of contract through experience and formal training. Extensive technical knowledge of construction techniques and best practices. Computer competence (MS Word, Excel, Document Control System).

Civil Construction bias. Desirable: Understanding of multiple disciplines (Civils, Electrical and Fit Out). Experience on working within a highly regulated nuclear licenced site. Experience in installing Temporary Modular Accommodation Essential: NVQ level 4 Site Supervisor HND/HNC in Civil Engineering Vocational training in Engineering.

Relevant CSCS Card. Training in Health & Safety and Environmental management. Desirable: Computer competence (Primavera software, Synchro). Degree level qualification (or equivalent) in a Civil Engineering allied subject

Description copied from Costain's careers page. Read the full posting before you apply.

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