Civil Site Manager - Water

Site Manager - Civils - Water Location: Hertfordshire Contract Type: Contract Salary: £300 - £400 per day (PAYE Umbrella) - Can pay more for the right person

The client is delivering long-term, high-value water infrastructure schemes across the Hertfordshire area. We are seeking an experienced Site Manager to oversee major heavy civils works, including deep drainage, large-diameter pipe installation, and tunnelling, supporting the delivery of capital investment projects critical to water resilience in the region.

The Role

As Site Manager, you'll be responsible for the safe and efficient site delivery of complex civil works including 278 works, heavy civil base, ducting, pipe work, M&E, and more across 3 different project.

Key Responsibilities

• Lead daily site operations, ensuring compliance with all health, safety, and environmental standards
• Conduct daily briefings, manage permit systems and maintain full site SHE documentation
• Oversee temporary works coordination and lifting activities as per method statements
• Drive project quality from mobilisation to completion, targeting defect-free delivery
• Manage procurement and site logistics, plant allocation, and cost tracking
• Support the commercial team with progress reporting, certification, and early warnings

Qualifications & Certifications Required for this role

• SMSTS
• First Aid
• Confined Space Supervisor
• EUSR National Water Hygiene
• EUSR 1 & 2 Locate & Safe Digging
• Fire Marshel
• TWC

If you're a Civils Site Manager looking for a genuine opportunity to develop your career and take on new challenges, please contact Damian Kostromski on , or send your CV via email

All applications are treated in the strictest confidence.

O'Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation