Site Manager - Mains Replacement

We’re seeking a proactive and driven Mains Replacement Agent to support the successful on-site delivery of water mains renewal schemes across London. This is a key role for someone who thrives in fast-paced field operations and enjoys bringing people, materials, and processes together to keep essential infrastructure projects moving.

In this position, you’ll coordinate day-to-day site activities, ensure all materials and equipment arrive as required, and maintain exceptional standards of health, safety, quality, and compliance. You’ll act as the vital link between site teams, subcontractors, clients, and internal stakeholders—building strong working relationships and ensuring smooth project delivery from the ground up.

From tracking progress and controlling costs to motivating teams and resolving issues on site, you’ll play a crucial part in delivering essential water infrastructure that communities depend on.

What We’re Looking For

We want to hear from individuals who deliver with pride, communicate with confidence, and thrive in an active utilities or civil engineering environment.

Experience & Knowledge

* Background in utilities or civil engineering site management—ideally within water mains or similar projects.

* Strong understanding of site operations, health and safety, and quality assurance.

* Experience leading site teams and subcontractors, with strong communication and coordination skills.

Skills

* Ability to plan, organise, and ensure timely delivery of materials and equipment.

* Confident using basic IT tools such as Excel, Word, and Outlook—for tasks like inspections, observations, programme updates, notifications, and team support.

* Strong problem-solving skills, able to respond quickly to challenges and minimise delays.

Essential Qualifications

* Full UK driving licence

* Water Hygiene

* NRSWA – Unit 10 (or equivalent), back filling and reinstating

* Cable Avoidance / Safe Digging

* First Aid

Desirable Qualifications

* Temporary Works Supervisor

* Slinger/Signaller

* NPORS Traffic Marshall