Job Description

Meet the recruiter

#

Christian Held

Benefits

Life assurance



Private medical insurance



Additional holiday purchase opportunities



Matched pension scheme up to 7.5%



Enhanced family leave & policies



Share plan schemes



Free health & wellbeing services



Green car scheme

Site Agent

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We're looking for a

Site Agent

to join our Natural Resources team, working on our project in Wisley, Surrey for Thames Water. In this role you will support various projects on the Thames Water Programme and help deliver the requirements of the individual project to both above and below ground assets. Your initial focus will be East Hyde, Hertfordshire.

Location

: Wisley, West Surrey

Contract

: Permanent, Full Time - flexible and part time hours may be available if desired, just let us know

We are unable to offer certificates of sponsorship to any candidates in this role.

Responsibilities

We're looking for a

Site

Agent

to join our NRNN business unit Water business unit. This role plays a vital role in

leading

the day-to-day management and successful delivery of complex water infrastructure works to high safety, quality, and environmental compliance standards. The Site Agent will manage daily activities, subcontractors, programme delivery, and effective site communication with all stakeholders.





Your day to day will include:


Managing day-to-day operations on the Wisley WWTW site, ensuring safe, efficient, and compliant delivery. Coordinating with engineers, subcontractors, and suppliers to meet project programme milestones. Enforcing compliance with all relevant health, safety, environmental, and quality (SHEQ) regulations. Liaising effectively with the Project Manager, design teams, Thames Water representatives, and other stakeholders. Leading site briefings, toolbox talks, and safety inductions.

What are we looking for?

This

Site

Agent

is great for you if you have:


Substantial experience as a Site Agent or Senior Engineer on wastewater or civil infrastructure projects. Strong understanding of wastewater treatment processes and live site working environments. Proven ability to lead site teams, manage subcontractors, and ensure construction sequencing is followed. Sound knowledge of CDM regulations, temporary works, and site-based QA/QC procedures.




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.





If you would like to explore more about the incredible growth and scale of our water business, dive into our diverse project portfolios, and uncover both current and future career opportunities. You can see more information about our water business here.



There's never been a better time to get involved, register your interest today and take the first step toward a rewarding career with us!

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 Lot1 (WT) v1.docx

Location

: Isleworth. Kingston Upon Thames

Vacancy ID

: 9357

Background check

: None

Closing Date:

1 Jan 2026

Flexible Working

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

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