Sub Agent – Water & Civils (freelance - Inside IR35) 📍 Stratford, East London £450 per day | Inside IR35 Start: ASAP ⏳ Duration: Until August 2026 or longer

The Role

TRIbuild are recruiting an experienced Freelance Sub Agent to support the delivery of a major water and civil engineering remediation package in Stratford, East London, working on behalf of Thames Water.

The initial scope includes the repair and remediation of bridge structures and trunk sewer assets spanning both rail and road interfaces. The works are currently in design phase, offering a rare opportunity to be involved from project conception through to site delivery on a complex, high-value package.

You will assist the Agent and Project Team in managing site activities, leading engineers, driving programme and quality, and ensuring safe, commercially compliant delivery throughout the project lifecycle.

Key Responsibilities

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Support the overall delivery of the project, ensuring works are completed safely, on programme and to specification

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Lead and manage engineers and sub-agents, promoting high standards of HSQE compliance

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Oversee production and implementation of RAMS, ITPs, permits and consents

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Manage pre-construction reviews and ensure readiness for site start

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Maintain and update construction programmes and short-term lookaheads

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