Site Agent

Kier Group; Chalfont St. Peter; On-site; GBP 45,000 - 65,000; Full time

Job summary

Kier Group in Oxfordshire is seeking a Site Agent to join the Thames Valley team at the Culham site. You'll lead on-site operations for wastewater construction projects, ensuring work is delivered safely, on time and to budget while meeting quality and compliance standards.

You will coordinate site teams and subcontractors, manage progress and reporting, and act as the main interface for technical issues, CDM compliance, and stakeholder expectations across Thames Water’s wastewater portfolio.

Qualifications

• HNC/HND or Bachelor's in civil engineering or related field.
• Proven experience delivering complex infrastructure or wastewater projects.
• CSCS card holder.
• Full driving licence for travel across project locations.

Responsibilities

• Lead and coordinate day-to-day site operations, ensuring all construction activities are delivered safely, efficiently, and according to design specifications
• Managing subcontractors and direct labour to meet programme milestones, driving performance and accountability across the delivery team
• Acting as the key point of contact for site-based technical issues, ensuring timely resolution and escalation where appropriate
• Monitoring progress, recording site data, and providing accurate input into project reporting and commercial forecasting
• Promoting and maintaining adherence to environmental, health, and safety legislation, including CDM Regulations

Skills

Site leadership

Stakeholder coordination

Project delivery

Construction management

CSCS card holder

Education

Civil Engineering Degree

Job description

We're looking for a Site Agent to join our Thames Valley team based on our Culham site, Oxfordshire.

Location: Culham site, Oxfordshire
Hours: 45 hours per week - some flexibility on hours available if desired, just let us know when you speak to us.

We are seeking aproactive and results‑driven Site Agent to join our expanding team within the wastewater construction sector. You will play a pivotal role in supporting the safe and efficient delivery of site operations, ensuring works are executed on time, to budget, and to the highest standards of quality and compliance. You will provide critical leadership across site activities, driving construction performance, coordinating site teams and subcontractors, and ensuring alignment with programme objectives and stakeholder expectations across Thames Water's wastewater infrastructure portfolio.

What will you be responsible for?

As a Site Agent, you'll be working within the Thames Valley team, supporting them in delivering wastewater construction works to programme, cost, and quality benchmarks. Your day to day will include:

• Leading and coordinating day-to-day site operations, ensuring all construction activities are delivered safely, efficiently, and according to design specifications
• Managing subcontractors and direct labour to meet programme milestones, driving performance and accountability across the delivery team
• Acting as the key point of contact for site-based technical issues, ensuring timely resolution and escalation where appropriate
• Monitoring progress, recording site data, and providing accurate input into project reporting and commercial forecasting
• Promoting and maintaining adherence to environmental, health, and safety legislation, including CDM Regulations

What are we looking for?

This role of Site Agent is great for you if:

• You have an HNC/HND or Bachelor's degree (or demonstrable equivalent experience) in civil engineering or a construction‑related discipline
• You have proven experience delivering complex infrastructure or wastewater projects, with a strong focus on time, cost, and quality performance
• You have excellent site management capabilities with knowledge of construction methodologies, sequencing, and safe systems of work, supported by possession of a valid CSCS card
• You have strong leadership, organisational, and stakeholder coordination skills, with the ability to drive performance on‑site and build effective working relationships across multidisciplinary teams
• You hold a full driving licence to facilitate travel across project locations

Rewards and benefits

We're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here.

Diversity and inclusion

Making Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here. As a Disability Confident employer, we will ensuring that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.

• Site Agent Job Description Lot1 (WT) v1 (6).docx