Site Agent

Kier Group

Site Agent

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 a proactive 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

We're all about finding potential here at Kier, and transferrable skills are always welcome! So, even if you don't tick every box, please apply and we can have a chat.

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 ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.

We look forward to seeing your application to #joinkier #LI-CH1

• Site Agent

Job Description Lot1 (WT) v1 (6).docx

Location: Gerrards Cross. Culham

Vacancy ID: 13227

Background check: DBS - Basic

Closing date: 25 Nov 2026

Contract type: Permanent

Working hours: Full Time

Flexible working: No

Flexible working could include part time, job share, condensed hours, or flexible start/end times.

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