Site Agent

Costain Group PLC

. Act as the primary contact on the construction site and onsite representative of the Senior Construction Manager .

Posted 10/15/2026full-timeUnited KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing construction activities, ensuring project delivery within budget and time constraints while adhering to quality and safety standards. Proficient in contract management, financial forecasting, and compliance with health, safety, and environmental regulations.

Highest-signal resume keywords

NVQ Level 4 Site SupervisorHND/HNC In Civil EngineeringConstruction Contract Law KnowledgeHealth & Safety TrainingComputer Competence With Primavera

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Construction TechniquesProject Cost ControlBudget ForecastingRisk AssessmentMethod Statement AdherenceDaily Site Diary ManagementSubcontractor ManagementEngineering Principles UnderstandingEnvironmental ManagementDocument Control System

Soft Skills

CommunicationCoordinationProblem-SolvingLeadershipAttention To Detail

Tools & Technologies

MS WordMS ExcelPrimavera SoftwareSynchro

Certifications & Qualifications

Relevant CSCS CardSecurity Clearance

Industry Keywords

Civil ConstructionNuclear Licensed SiteTemporary Modular AccommodationSustainabilityQuality AssuranceQuality Control

About the role

Key responsibilities & impact

Act as the primary contact on the construction site and onsite representative of the Senior Construction Manager
Manage day-to-day construction activities and coordinate works and trades
Ensure overall project delivery to budget, on time, to required quality standards, and safely
Review contractual agreements and develop designs, working methods, programmes, and forecast costs
Identify contractual inaccuracies or inconsistencies and communicate changes to QA and QS teams
Develop programmes and forecast budgets; assess programme performance and productivity weekly and take corrective action
Manage subcontractor contract conditions and accounts with the QS team
Requisition correctly specified resources in a timely manner
Communicate non-conformances and client, designer, or RE instructions to QA and QS teams
Maintain comprehensive records of resources used on additional works
Keep a full and accurate daily site diary covering variations, subcontractor attendance, and work-related discussions
Review, approve, and ensure adherence to inspection and test plans, risk assessments, and method statements
Produce monthly reports for financial forecasting, monitoring, and project cost control
Set the highest example for health and safety requirements
Implement applicable client and joint venture environmental, sustainability, process, and statutory requirements

Requirements

What you’ll need

NVQ level 4 Site Supervisor
HND/HNC in Civil Engineering
Vocational training in Engineering
Relevant CSCS Card
Training in Health & Safety and Environmental management
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 with MS Word, Excel, and Document Control System
Civil Construction bias
Driving required
Security clearance required
Degree level qualification (or equivalent) in a Civil Engineering allied subject (desirable)
Computer competence with Primavera software and Synchro (desirable)
Understanding of multiple disciplines including Civils, Electrical and Fit Out (desirable)
Experience working within a highly regulated nuclear licenced site (desirable)
Experience installing Temporary Modular Accommodation (desirable)

Benefits

Comp & perks

Permanent employment option
Fixed-term contract option
Hybrid work arrangement
Disability Confident employer interview commitment for applicants who disclose a disability and meet minimum criteria
Individual feedback following an interview