Construction Sub Agent, Site Manager

Do you have a Degree in Civil Engineering (or related discipline) together with experience working on major infrastructure, civil engineering or construction projects?

Have you successfully managed site operations, construction programmes, subcontractors and resources while ensuring compliance with health, safety, quality and commercial requirements?

Would you like to play a key role in delivering a nationally significant infrastructure project whilst gaining exposure to complex engineering challenges and career progression opportunities?

Due to continued project growth and the ongoing delivery of a major UK infrastructure programme, our client is looking to appoint an experienced Sub Agent to support the successful delivery of a key package of works. This is an excellent opportunity for a motivated construction professional to take ownership of a designated area of responsibility, ensuring works are delivered safely, efficiently, on programme and within budget.

Working closely with the Package Manager and wider project teams, you will play a vital role in coordinating site activities, managing subcontractors, monitoring performance and driving construction excellence.

• Manage a designated area of responsibility to ensure construction activities are delivered safely, efficiently and in accordance with project requirements.
• Ensure construction works are completed in line with approved designs, specifications, standards and health & safety requirements.
• Monitor project costs and provide regular reports identifying budget deviations and corrective actions.
• Support the Package Manager in construction planning, decision‑making and project delivery activities.
• Produce and maintain detailed four‑week look‑ahead programmes and manage works to achieve agreed milestones.
• Monitor progress against programme requirements and provide recovery plans where delays or variances occur.
• Coordinate labour, plant and materials to ensure efficient delivery of the works.
• Review weekly plant, labour and material returns, identifying opportunities to reduce waste and improve productivity.
• Ensure completed work packages are ready for handover to the client.
• Maintain accurate records of site progress, variations and project performance.
• Work closely with commercial teams to review subcontractor applications, records and variation submissions.
• Ensure appropriate competency checks are completed for all personnel, subcontractors and third parties working within the area.
• Stop works immediately where unsafe operations are observed.
• Ensure all temporary works documentation, designs, methods statements and risk assessments are approved before works commence.
• Review and approve Inspection and Test Plans (ITPs), NCRs and quality documentation in line with project procedures.
• Liaise with clients, designers, subcontractors and third‑party stakeholders as required.
• Promote innovation, lessons learned and continuous improvement across the project.
• Support environmental, community and sustainability initiatives.
• Champion a strong safety‑first culture and collaborative team environment.

• Degree qualification in a relevant Engineering discipline.
• Proven experience working in a similar Sub Agent, Section Engineer or Site Management role on major engineering or construction projects.
• Ability to produce, implement and manage safe systems of work.
• Strong understanding of construction methodologies and site management practices.
• Commercial awareness and understanding of the financial aspects of large‑scale construction projects.
• In‑depth technical knowledge relevant to your area of responsibility.
• Understanding of Contractor responsibilities under…