In brief
This Site Agent role oversees the delivery of critical wastewater infrastructure upgrades at a treatment works. The work involves managing daily construction operations, supervising subcontractors and ensuring all safety, quality and programme targets are met.
Best for
Experienced Site Agents with a background in the UK water or wastewater sector.
Non-negotiable
SMSTS and CSCS certification are essential.
Worth knowing
This is a 12-month contract paying £450 per day via CIS.
What you need
Required
Water sector experience
Clearly required in the listing
Civil Engineering qualification
Clearly required in the listing
SMSTS certification
Clearly required in the listing
CSCS certification
Clearly required in the listing
Leadership
Strongly implied by the listing
RAMS management
Clearly required in the listing
Confined space operations
Clearly required in the listing
Communication
Strongly implied by the listing
Preferred
Temporary Works Coordinator
Clearly required in the listing
Lifting AP
Clearly required in the listing
Your day-to-day
Manage site safety and environment
Clearly stated in the job description.
Deliver site briefings
Clearly stated in the job description.
Supervise construction operations
Clearly stated in the job description.
Oversee project progress
Clearly stated in the job description.
Conduct constructability reviews
Clearly stated in the job description.
Maintain contractual procedures
Clearly stated in the job description.
Drive site sustainability
Clearly stated in the job description.
Experience expected
Level
Senior level
Based on what the listing states
Years of experience
Not stated
No clear years requirement found
Evidence from the listing
Experience level
“As Site Agent, you will be responsible for leading the on-site delivery of works, ensuring safety, quality, and programme targets are consistently achieved.”
Full job description (from employer)⌄
Site Manager - Wastewater Treatment Works Location: Kingston Bagpuize Rate: £450 per day (CIS) Duration: 12 months Sector: Wastewater Treatment The main contractor of a key Thames Water project is seeking an experienced Site Agent to lead the delivery of a key wastewater improvement project in Kingston Bagpuize on a Wastewater Treatment Works. This £50m project forms part of Thames Water's investment in upgrading critical treatment infrastructure to improve environmental performance and resilience across the region. As Site Agent, you will be responsible for leading the on-site delivery of works, ensuring safety, quality, and programme targets are consistently achieved. Key Responsibilities ·Lead site health, safety, and environmental management - including preparation and approval of RAMS, management of permits to work, control of confined space entry, and implementation of isolations on live assets. ·Deliver daily site briefings, toolbox talks, and ensure all operatives fully understand safety controls and risk mitigation measures. ·Manage day-to-day construction operations, supervising engineers and subcontractors to ensure works are delivered safely, on time, and within budget. ·Oversee progress against programme, managing resources, quality assurance, and stakeholder coordination. ·Conduct constructability reviews, project rehearsals, and fit-for-assembly sign-offs to optimise delivery efficiency and innovation. ·Ensure all contractual, commercial, and quality procedures are followed, including the timely issue of notices and documentation. ·Drive sustainability on site - minimising waste, reducing embodied carbon, and promoting responsible resource use. ·Promote collaborative working within delivery teams and alliance partners, fostering a culture of safety, accountability, and continuous improvement. Skills & Experience ·Proven experience working as a Site Manager/Site Agent within the UK Water or Wastewater sector, ideally on non-infrastructure or civils schemes. ·HNC/Degree in Civil Engineering or Construction Management or related construction/engineering field. ·SMSTS, CSCS certification are essential. ·Strong leadership skills with a hands-on approach and the ability to manage live operational sites safely. ·Demonstrable experience managing RAMS, permits to work, confined space operations, and live asset isolations. ·Excellent communication and stakeholder management skills, with a proactive and collaborative attitude. ·Temporary Works Coordinator and/Or Lifting AP - HIGHLY DESIREABLE
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Note
We generate this analysis from the job description. The listing may have changed since then, or the analysis may not be fully accurate — always check the original posting before applying.