Site Agent - Wastewater Treatment Works
Location: Abingdon
Rate: £450 per day (CIS)
Duration: 12 months
Sector: Wastewater Treatment
The main contractor of a key South West Water project is seeking an experienced Site Agent to lead the delivery of a key wastewater improvement project in Abingdon on a Wastewater Treatment Works.
This £10m 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 Agent or Senior Site Engineer 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